Ho. 348 Marquesas Area Fishery and Data, January- March 1959 n SPECIAL SCIENTIFIC REPORT— FISHERIES No. 348 UNITED STATES DEPARTMENT OF THE INTERIOR FISH AND WILDLIFE SERVICE Explanatory Note The series embodies results of investigations, usually of restricted scope, intended to aid or direct management or utilization practices and as guides for administrative or legislative action. It is issued in limited quantities for the official use of Federal, State or cooperating Agencies and in processed form for economy and to avoid delay in publication. United States Department of the Interior, Fred A. Seaton, Secretary Fish and Wildlife Service, Arnie J. Soumela, Commissioner Bureau of Commercial Fisheries, Donald L. McKernan, Director MARQUESAS AREA FISHERY AND ENVIRONMENTAL DATA JANUARY - MARCH 1959 By Howard O. Yoshida Fishery Research Biologist United States Fish and Wildlife Service Special Scientific Report- -Fisheries No. 348 Washington, D. C. June I960 ABSTRACT This report presents meteorological, oceanographic and fishery data collected aboard the Honolulu Biological Laboratory research vessel, Charles H. Gilbert, and a chartered West Coast tuna clipper. Cape Falcon, on expeditions to the southeastern Pacific Ocean centered in the Mar- quesas Islands during January-March 1959. CONTENTS Page Introduction 1 Field procedures i Bathythernnograph and meteorological observations i Productivity observations 3 Surface trolling 3 Live bait fishing 3 Baitfish surveys 3 Birds, tuna schools, and aquatic mammals 4 Field party personnel 4 Laboratory procedures 4 Salinity deternninations 4 Personnel processing samples and data 4 Literature cited 4 ILLUSTRATIONS FIGURE Page Frontispiece: The Cape Falcon at anchor in Taiohae, Nuku Hiva 1. Track of the Cape Falcon j la. Track of the Cape Falcon in the Marquesas Islands 2 2. Standardized inshore and offshore survey tracks, Marquesas area 2 3. Track of the Charles H. Gilbert 3 TABLES Page 1. Observations at bathythermograph lowerings , Charles H. Gilbert cruise 43 5 2. Environmental observations, Cape Falcon 12 3. Weather observations, Charles H. Gilbert cruise 43 15 4. Temperature and salinity of surface water in baiting areas, Charles H. Gilbert cruise 43 19 5. Transparency, water color, and related observations, Charles H. Gilbert cruise 43 . . 19 6. Surface troll catch and related data, Charles H. Gilbert cruise 43 20 7. Surface troll catch. Cape Falcon 21 8. Summary of pole -and -line fishing, Charles H. Gilbert cruise 43 22 9. Summary of pole -and -line fishing, Cape Falcon 23 10. Pole -and -line caught skipjack, yellowfin, and bigeye length frequency distribution, Charles H. Gilbert cruise 43 26 11. Pole -and -line caught skipjack and yellowfin length frequency distribution. Cape Falcon . 28 12. Summary of bait fishing, Charles H. Gilbert cruise 43 29 13. Summary of bait fishing. Cape Falcon 31 14. Length frequency distribution of Marquesan sardines, Tahitian sardines, and Tahitian nehu, Charles H. Gilbert cruise 43 31 15. Record of daily sightings of bird flocks, scattered birds, and tuna schools, Charles H. Gilbert cruise 43 32 16. Record of daily sightings of bird flocks, scattered birds, and tuna schools, Cape Falcon 34 17. Record of aquatic mammals sighted, Charles H. Gilbert cruise 43 36 18. Record of aquatic mammals sighted, Cape Falcon 36 19. Common and scientific names of fish caught 37 MARQUESAS AREA FISHERY AND ENVIRONMENTAL DATA JANUARY - MARCH 1959 By Howard O. Yoshida Fishery Research Biologist Honolulu Biological Laboratory U. S. Bureau of Commercial Fisheries Honolulu, Hawaii This is the fourth report in a Series presenting data obtained on cruises to the por- tion of the southeastern Pacific Ocean that is centered in the Marquesas Islands. The first report (Austin 1957) includes results of cruises made in August and Septennber 1956. The sec- ond (Wilson and Rinkel 1957) includes data obtained from cruises made during January - March 1957, and the third (Wilson, et al. 1958) contains results from cruises made during October 1957 - June 1958. The two expeditions made during Jan- uary - March 1959 were the final in a program undertaken by the Honolulu Biological Labora- tory (HBL), Bureau of Commercial Fisheries , to study the tuna resources of the southeastern Pacific Ocean. One of the expeditions was made on a chartered West Coast tuna clipper, the Cape Falcon, out of San Diego, to test the fea- sibility of fishing commercially for surface tuna schools in the Marquesas area. The other expedition was made on the Bureau's research vessel Charles H. Gilbert to continue the in- V 5» -■ 0' i: >^ ' Mt iROUESAS C JS / c- / / AHE^/^"'^'"' r RANGIRQA "' / TUAMOTU ARCH. ^yTR'AflOIA TAHANtA ^ "' Tahiti vestigation of surface tuna schools. As in the earlier reports, the data are presented without analysis so that they may be made available to other agencies studying the Pacific. Descrip- tive and analytical reports will follow. The Cape Falcon departed San Diego January 26, 1959, for Almejas Bay, Baja Cali- fornia, where baiting operations were conducted from January 30 to February 5. Actual scout- ing and fishing for surface tuna schools in the Marquesas area (5°-20° S. , 130°-150=' W.) oc- cupied the period from February 15 to March 15. The track of the Cape Falcon is shown in figures 1 and la. The Gilbert departed Honolulu January 7, 1959 and returned on March 26, 1959. Dur- ing the course of the cruise the following were accomplished: bait surveys in the Marquesas and Society Islands, a surface tuna school sur- vey in the Tuamotu Archipelago, a standard in- shore surface tuna school survey, and the north and south legs of a standard offshore surface tuna school survey in the Mar- quesas (fig. 2). The track of the Gilbert is shown in figure 3. FIELD PROCEDURES Bathythermograph andmeteoro- logical observations. Figure 1. --Track of the Cape Falcon. Bathythermograph (BT) lowerings during Charles H. Gilbert cruise 43 were made every 3 hours between Honolulu and 10° N. latitude, every 6 hours between 10° N. and 5° N. lati- tude, every 3 hours between 5° N. latitude and the Marquesas, at local noon daily during the in- shore survey, every 3 hours during the southbound legs of the offshore survey, at each tuna fishing station, and at 0900 and 1400 daily between the Marquesas and Tahiti. BT lowerings totaled 224 during Gilbert cruise 43. Figure la. --Track of the Cape Falcon in the Marquesas Islands. B?" ' orrsHont sunver >*%- iHSHont sunvcY Figure 2. --Standardized inshore and offshore survey tracks, Marquesas area. Figure 3. --Track of the Charles H. Gilbert. Entries were made on Oceanographic Log Sheet "B" in conjunction with BT lowerings . These entries were coded according to Hydro- graphic Office Publication 606 -c and are repro- duced in table 1. Included in this table are salinity determinations of surface water samples taken at BT lowerings. Standard weather observations were made up to 4times dailyduring Gilbert 43. The observations were coded according to U. S. Weather Bureau Form 1210-Fand are presented in table 3. Although no bathythermograph lowerings or standard weather observations were made on board the Cape Falcon, the Government observer made routine observations on the environment which were coded and recorded on Oceanographic Log Sheet "B", These observations are pre- sented in table 2, which also includes salinity determinations of surface water samples taken in conjunction with Sonne of the environmental observations . Productivity observations Water transparency observations using a 30 cm. Secchi disc and water color observa- tions by comparison with the Forel standard were made at local noon daily during Gilbert 43 while in the Marquesas area (table 5). A study of the rate of carbon dioxide uptake by the C method was made in various localities between Hawaii, the Marquesas, and the Society Islands in collaboration with the Commonwealth Scientific and Industrial Re- search Organization (C.S.I. R. O. ) , Australia and the University of Hawaii. The results of this study will be published elsewhere. Surface troUin R. Varying numbers of lines were trolled from the Gilbert while running to and from the survey areas and while scouting for surface schools. The catches and related data are given in table 6. Varying numbers of lines were trolled from the Cape Falcon, while scouting for sur- face schools in the survey areas. The troll catches are presented in table 7. Live -bait fishing The live -bait pole -and -line fishing techniques used on Gilbert 43 were similar to those of the Hawaiian skipjack fishery (June 1951). Marquesan sardines were used as bait. The results of fishing and other related data are presented in table 8. The length -frequency distribution of samples of skipjack, yellowfin, and bigeye caught are given in table 10. The fishing techniques of California baitboat fishermen were used aboard the Cape Falcon. A description of the techniques is given by Godsil (1938). Anchovetas obtained at Almejas Bay, Baja California, were used as bait. The results of fishing and other pertinent data are presented in table 9. The length-fre- quency distribution of samples of yellowfin and skipjack caught are given in table 11. Baitfish surveys Descriptions of procedures used in con- ducting baitfish surveys in the Marquesas have appeared in earlier publications (Wilson and Rinkel 1957, and Wilson, et al. 1958). The results of bait surveys and bait fishing opera- tions during Gilbert cruise 43 are presented in table 12. The length -frequency distributions of bait samples are presented in table 14, and ob- servations of surface water temperature and salinity at baiting localities are presented in table 4. As noted earlier, bait for pole-and-line fishing from the Cape Falcon was obtained in Almejas Bay, Baja California. The gear and methods of baiting employed on the Cape Falcon are similar to those used by California baitboat fishermen. Adescription of the gear and meth- ods is given by Alverson and Shimada (1957) and will not be repeated here. The results of bait- ing in Almejas Bay appear in table 13, which also includes results of two days of baiting in the bays of the Marquesas. Birds, tuna schools, and aquatic mannmals A watch was maintained during daylight hours for birds, tuna schools, and aquatic mam - mals aboard both the Cape Falcon and the Gilbert. Summaries of these observations are presented in tables 15 through 18, inclusive. Field party personnel Charles H. Gilbert William T. Tanaka, Master Robert C. Wilson, Field Party Chief Richard J. Hansen, Fishery Aid Harry R. Jitts , Collaborator, C.S.I.R.O. , Australia Cape Falcon LITERATURE CITED ALVERSON, F. G. and B. M. SHIMADA 1957. A study of the eastern Pacific fishery for tuna baitfishes, with particular reference to the anchoveta (Ceten- graulis mysticetus). inter- American Tropical Tuna Commission, Bulletin 2(2):25-79. AUSTIN, T. S. 1957. Summary, oceanographic andfishery data, Marquesas Islands area, Aug- ust - September 1956 (EQUAPAC). U. S. Fish and Wildlife Service, Spe- cial Scientific Report--Fisheries 217. 186 pp. GODSIL, H. C. 1938. The high seas tuna fishery of Cali- fornia. California Division of Fish and Game, Fish Bulletin 51. 41 pp. JUNE, F. C. 1951. Preliminary fisheries survey of the Hawaiian - Line Islands area. Part 3 - The live -bait skipjack fishery in the Hawaiian Islands. Connnnercial Fisheries Review 13(2):1-18. U. S. NAVY HYDROGRAPHIC OFFICE 1956. Bathythermograph observations . U. S. Navy Hydrographic Office Publi - cation 606-c, 2nd edition. 16 pp. U. S. WEATHER BUREAU 1954. Manual of marine meteorological ob- servations. U. S. Weather Bureau, Circular M, 9th edition. 104 pp. Sverre Jangaard, Master Thomas S. Hida, Observer LABORATORY PROCEDURES Salinity determinations A modification of the Knudsen method (Van Landingham 1957) was used in analyzing the surface water samples. VAN LANDINGHAM, J. W. 1957. A modification of the Knudsen meth- od for salinity determination. Jour- nal du Conseil 22(2):174-179. WILSON, R. C. and M. O. RINKEL 1957. Marquesas area oceanographic and fishery data, January - March 1957. U. S. Fish and Wildlife Service , Spe- cial Scientific Report -- Fisheries 238. 136 pp. Personnel processing samples and data (In addition to the author) Arthur Oishi, Fishery Aid Betty Ann L. Keala, Statistical Clerk WILSON, R. C, E. L. NAKAMURA, and H. O. YOSHIDA 1958. Marquesas area fishery and environ- mental data, October 1957 - June 1958. U. S. Fish and Wildlife Ser- vice, Special Scientific Report -- Fisheries 283. 105 pp. CO B ^ag J^JTTTqTsiA > o O >5 o ^^ . rt (U C a E < Q s >H 4-. 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O ^ Q • 4) 1 bo a o 0) 1 4J in ni a~ 0) H i o 00 in in ^0 vO 00 00 00 00 in in ^0 00 vO 00 in m ' in ' in' ' ' in' ' 35. o X X X X oc^ro-^ooo^ininvONO oooooooooo rqroror\j(NJro^^'-4r\](vj OOOOOOOOOOinoOCO'>000 inv£)"^sorjOs£)sDr^in ^H .-I -.^ ^H ^H in OOOOCOCOOOOCOOOOOOO 000—IOOOO(VJO »— «i— (I— tt-<»-HOO»— ••-'•^ oooooooooo OOOOOPS-HOO-H (M^ o V ; ; w w V O PS O O O oooooooocooocooooooo oooooooooo (M(\jt»irqfO^^^^^^^^^ ^^^^^ rocoirjNOrgocOcO-^oo OOCT^OOOOOOOO ^^ ^T* '^r ^5^ ^^ ^^ ^^ ^^ ^^ ^^ r^oocovONDiri'^^mrj in r^ sD sD rn O en ro fO ro (\J r^ O O O ^r ^^ ^^ ^^ ^^ WWWWWWWwWW WWWWwWWCOWCO O'^invo^-ioooin'-''^ ■^inininro-^inm*-* ^^ r^r^r^r^cocoo^of^ OOOOOOOrt-H Orno^ro 00^^'^OOrOM •"■Or^in^rO^inOr-" ■t^-^-.^invDvOvDNDr^r^ wwwwmwwwww t^fvj^^j'^'^O'-iivjin ^fvjinr-jin<-<^coOT}< Oooooooooo r-r-vOin-^'^roMMO W w w w w COO^O^O^HCslrOfOfOTt^ -H^-H(\j(\jrgiMMPj(Nj rgcMpgrjMP-JNMrgpg oooinoooooo Of^rorgoooooo incncoinr^o^^r^co^ OO-H — -HOOO-HO TfinminvDvoot^r^r- (\J(MMPJtMM(\Jt>gMt\J r-jfv]rg(\jr-jrgr-jcM(\irg oooooinoooo Oc^OOrO^-iOr^OO oo^^sOQO^r^cor-ivCoo ^OO— lOO-HOO-H 00 00 Oooooooooo Oocnooooooo '~'>-DOOO'--< -H ■>*» ro rt O O O^ CO CO 00 -^ O O O O in in in sD o m m m fO CO o O o o o o o o o o i-H O O^ '■* CO o o •-< o •-* 13 , ^ ro ro ^ ^ ^ *t* • « CO O o t^ o 3 cti^ in 1 1 ■ ' ' J ' in' ' ' in" 1 ' vrJ CO CO ro ro ro ro ro < -4 -H - -. rt -. r-H i-H -' t— < 1— 1 *-i < V to o CT- o^ X CTv Qx cjv o^ r~ o^ c r- r- O- Qv o O o ><; O O O o o o O O o O O tag CO CO IN] 00 in ro 00 CO ro ro >— * fO 00 00 00 CO rt Tt< in (M to Osi r^j CO CO vO ■* OJ to IM (M 00 CO ro ro to 00 ro to to ^IHTqTSTA CO CO > 0 O ro tM 0) ■O a o u u a. 00 H CO o CO 00 00 00 00 CO 00 CO 00 CO 00 00 CO s s CO m ^H pj ro O ■5j< to rt rt ■* ivj pj o. • (M (\j (M (M (M to to ro to to IN) to tvj to CO 00 00 00 CO 00 00 CO 00 00 CO CO CO 00 00 00 ■w ^^^^^^^^^^ ^ ^^ ?? S r- 00 IM o to in r^ -^ -" ro 00 b r~ b b AJ in in in Tf in -H ■* rq (M ro ro O in O — 1 'bo o o 0 O O 0 o O 0 0 o o o o o a o^ CT^ O^ a^ c^ o CT^ ^ OS O^ O O o^ O O 0 ro f<1 fO ro to ■* to to ro ro ro ■* to ^ ■>)< J «-* r-< ■-( .~( i-H ^^ p^ f-H »-4 ^H ^H i-H •~l f-H 1— 1 "0 m CO CO CO CO CO CO CO CO CO CO CO CO CO CO 3 r- ^ r- R] Z< a- o) 00 00 sO ^ vr\ o in o^ • i-t in in in rg to ■* in in to ^H -H in in o in ■!-» o o 0 0 o o o O 0 o o o o O 0 :3 r~ r~ r~ 00 CO 00 00 00 CO CO 00 r- I^ 00 CO o o o o o o o O (M O O O (NJ ro to o o ro •* o o o (0 o^ '^t" in r- t-- r- 00 CO -H f-< •-« -H •— t •— < •— 1 t—t I-H I-H oJ o^ — ^ "".^ ^.>. '" — ""^ ~"-^ "^^ — . ^ — — ^ — . ^^ -"»„ Q -^ O O m o ro to to ro O O O O to to ro o o o to to o in to o CO CO § o o o O ro (O to o o o O O ro i-H 1—4 o o o ■— t in 00 xO CO 00 —I O -^ vO 00 -H 00 00 CO o o «—) O -H -H O -1 O O -• o o -H O 14 1/ Table 3. --Weather observations . Charles H. Gilbert cruise 43 — Wind Wea- Pressure Temperature Clouds Waves ther U , b< _ CO 0) o 0) u< ui 0 C in n 3 o >. c o X c O u J2 nt u o 3 o "3 u 3 o E o c o o ■a E c o ■g 3 .^ - S jO ^ ^ , -1 x u X a 0) 0) p. in ID 13 Q c 0 1 DO > u a, n) 0 (4 1 Q It o 1 X X 1/10 18. 2°N 155. 4°W 0000 98 11 06 60 5 1011. 5 X 1/10 17. 5°N 155. 0°W 0600 98 07 09 00 6 1013. 5 2 1/10 16. 7°N 154. 5°W 1200 98 09 08 00 0 1011. 5 7 1/10 16. 0°N 154. o-w 1800 98 09 11 03 1 1012. 9 2 1/11 15. 2°N 153. 6°W 0000 99 02 05 02 1 1011. 5 7 1/11 14. 3°N 153. 2°W 0600 98 08 13 00 0 1012. 9 2 1/11 13. 8°N 152. 9°W 1200 98 07 14 00 0 1010. 5 7 1/11 13 0°N 152. 2°W 1800 98 06 14 02 0 1012. 2 2 1/12 12. 3°N 152. 0°W 0000 98 06 16 02 0 1008. 5 7 1/12 11 5°N 151. 5°W 0600 98 07 17 02 0 1010. 2 2 1/12 10 9°N 151 1°W 1200 98 07 17 02 0 1008. 5 7 1/12 10 3°N 150 7°W 1800 97 08 17 03 1 1009. 8 2 1/13 09 5°N 150 6°W 0000 98 08 18 03 2 1005 1 7 1/13 08 9°N 150 2°W 0600 98 10 19 00 1 1008 1 2 1/13 07 9°N 149 7°W 1200 98 13 14 00 1 1006 8 7 1/13 07 5°N 149 5°W 1800 96 09 22 21 6 1009 1 2 1/14 06 5°N 149 0°W 0000 97 14 16 21 6 1005 8 7 1/14 06 0°N 147 8°W 0600 97 14 16 01 6 1007 8 2 1/14 05 5''N 147 4°W 1200 97 14 16 03 0 1007 5 7 1/14 04 8°N 147 rw 1800 97 13 17 02 0 1009 8 2 1/15 04 2°N 146 5°W 0000 98 11 16 02 0 1007 8 7 1/15 03 6°N 146 1°W 0600 98 10 13 01 0 1010 8 2 1/15 02 8°N 145 8°W 1200 98 11 10 03 1 1009 5 7 1/15 02 2°N 145 5''W 1800 98 12 08 01 0 1012 2 2 1/16 01 6°N 144 9°W 0000 98 18 04 02 0 1008 1 6 1/16 00 2°N 143 3°W 0600 98 18 03 01 0 1010 8 2 1/16 00 l-N 144 1°W 1200 98 19 03 01 0 1008 8 7 1/16 00 7°S 144 1°W 1800 99 19 08 01 0 1010 2 1 1/17 01 9°S 144 o°w 0000 99 19 08 02 0 1006 1 7 1/17 02 .0°S 143 6°W 0600 99 11 05 02 0 1009 1 2 XX 76.8 73.2 76.5 2.0 77. 1 74.5 77.0 1.5 77.5 74.5 77.6 2.0 78.0 74.5 77.5 3.0 78.6 74.4 78.6 2.0 78. 1 74.8 77.8 3.0 78.6 74. 1 77.6 3.0 80.5 75.0 77.5 3.0 79.5 75.0 77.9 2.0 78.7 75.5 78.5 2.0 78.9 75.6 78. 1 2.0 80.5 77.0 78. 1 3.0 80.3 77.0 79.3 3.0 81.0 77.6 80.5 1.0 81.0 77.8 81.4 3.0 78.2 77.5 82.2 2.0 82.0 77.0 80.3 2.0 81. 1 77.0 81.4 1.0 80.5 75.8 80.8 2.0 83.8 76.8 79.6 3.0 81.0 75.2 80.0 3.0 80.9 75. 1 79.5 2.0 81.2 75.0 79.5 2.0 81.8 76.0 78.9 2.5 80.0 73.8 80. 1 2.0 79.7 73. 1 79.7 1.5 79. 1 73.3 78.6 1.0 78.4 74.0 77.2 2.0 80.5 74.0 78.9 2.0 80.5 73.1 81.0 0 00900 12 2 1 8 8 7 5 X X 12 2 2 2 2 4 5 0 0 12 2 2 X X X X X X 12 2 2 7 5 4 5 0 5 09 6 3 2 2 4 5 0 5 09 6 3 X X X X X X 09 3 3 2 1 1 4 0 1 11 3 3 2 1 3 5 0 1 09 2 3 2 1 4 5 0 1 12 2 4 2 1 4 5 0 1 11 2 4 2 2 4 5 0 0 11 2 4 6 6 1 5 0 0 09 2 4 8 8 1 4 X X 09 2 4 X X X X X X 09 2 4 X X X X X X 09 2 4 8 8 7 3 X X 10 2 4 8 8 7 3 X X 10 2 4 3 2 1 3 0 1 15 2 4 3 3 1 3 0 0 15 2 4 3 3 1 4 0 0 13 2 4 4 3 1 4 0 8 12 2 4 2 1 1 3 0 8 12 2 3 8 8 4 3 X X 12 2 3 2 2 2 4 0 0 12 2 3 2 2 2 4 0 1 12 2 2 1 1 2 4 0 0 12 2 2 1 1 2 4 0 0 12 2 2 0 0 0 9 0 0 12 2 1 0 0 0 9 0 0 12 2 1 T7" All columns in USWB 1210-F are not included here. Those deleted are: Column 2 Day of week " 3 Octant " 13 Barometer as read " 14 Barometer as corrected " 17 Air temperature, °F. Column 23 Course of ship " 24 Speed of ship " 31 Diff. sea-air, °F. " 32 Dew point, "F. 15 Table 3. --W eather o bservations, Charles H. Gilbert cruise 43 - continue d Wea- Wind ther Pressure Temperature Clouds Waves u ■M OJ ui Pm 0 c (1) H , 0 o 3 •* 4) 3 •a 3 ••H 00 c o U O 6 Jo c 0 u 2 •a 4) c 0) QO n It ° ^ 4) U nJ u 1 3 u (0 Hi O g nl H 0 o c 3 O 1 0 a. o 0) XI £ a XI M j= 4) c o o (U u V Q J J H > Q U2 a, 0, CQ u < Q > 05 H H X H H Q 0* K 1/17 03.4°S 143. 0°W 1200 99 07 06 03 0 1007. 1 7 1.5 78.8 73.0 79.4 1 1 2 4 0 0 12 2 1 1/17 03.5°S 142. 5°W 1800 99 07 05 03 0 1010.2 1 3.0 82.0 74.7 80.2 3 3 2 4 0 0 12 2 1 1/18 05.7°S 142. 0°W 0000 98 06 09 02 0 1007.5 7 2.0 80.6 75.0 81.1 3 3 2 4 0 0 12 2 2 1/18 05.1°S 141. 6°W 0600 98 04 15 01 0 1010.5 2 2.0 81.9 75.8 80.0 2 2 2 4 0 0 12 2 2 1/18 06.0°S 141. 4°W 1200 98 05 15 01 0 1009.5 6 1.0 81.0 75.0 80.3 2 2 2 4 0 0 12 2 2 1/18 06.8°S 141. 2°W 1800 98 06 13 03 1 1012.5 1 2.0 82.7 75.5 80.3 5 1 2 4 0 4 12 2 2 1/19 08.4°S 140. 8°W 0000 98 08 12 02 0 1009.5 7 2.0 81.2 75.0 81. 1 4 2 2 5 0 1 12 2 2 1/19 08.6°S 140. 4°W 0600 98 07 16 03 1 1012.2 2 2.0 82.1 74.9 81.8 7 0 0 0 3 0 12 2 2 1/26 10.6-3 140. 2°W 1800 98 02 22 20 6 1011.2 1 2.0 82.8 77.2 82.5 8 8 4 3 X X 02 2 4 1/27 11.7»S 140.8°W 0000 97 01 20 02 5 1008.5 7 1.5 82.5 77.0 81.9 8 3 4 3 6 0 02 2 4 1/27 12.4°S 140. 9°W 0600 96 02 21 21 6 1010.8 2 2.5 82.2 78.3 82. 1 9 9 X X X X 02 2 4 1/27 13.3°S 141. 0°W 1200 96 02 21 00 6 1008.8 7 1.5 81.9 76.9 82.0 8 8 4 3 X X 01 2 3 1/27 13.7°S 141. 7°W 1800 97 07 15 02 6 1011.2 2 1.5 79.8 76.0 82.0 8 8 4 3 X X 02 2 3 1/28 14.5''S 141. 3°W 0000 97 07 09 01 2 1009.5 6 1.0 82.4 77.9 82.5 7 7 4 3 0 0 04 2 2 1/28 15.6°S 141. rw 0600 97 08 12 02 2 1012.5 2 2. 5 81.9 77.3 82. 1 8 8 X X X X 04 2 2 1/28 15.6°S 141. 2°W 1200 97 07 14 01 2 1011.2 7 2.0 80.6 76.5 82.0 6 6 0 X 6 0 06 2 2 1/28 15.6°S 141. 2°W 1800 98 07 18 03 1 1013.2 2 1.4 84. 5 78.2 82.3 6 2 1 4 1 0 02 2 2 1/29 15.9°S 141. 5°W 0000 98 10 09 02 2 1009.8 7 2.0 83.0 78.0 82.3 6 2 1 4 6 0 28 2 2 1/29 16.4°S 143. O-W 1800 99 08 14 02 2 1011.5 1 1.0 84.5 77.5 82.2 6 2 2 4 2 0 30 2 2 1/30 15.9°S 142. 4°W 0000 99 05 14 15 1 1010.2 7 1.5 81.5 77.0 82.0 6 2 2 4 6 1 05 2 2 1/30 16.3°S 144. 2°W 1800 99 07 09 02 2 1011.9 1 1.2 82.7 75.0 81.8 6 2 2 4 1 0 03 2 1/31 16.0°S 144. 9°W 0000 99 09 11 02 2 1010.5 7 1.0 84.5 76.1 83.5 6 2 2 4 1 0 10 2 1/31 15.7°S 145. 2°W 1800 99 07 04 01 1 1011.5 2 2.0 83.2 76.2 83.0 4 4 2 4 0 0 00 2 2/1 15.8°S 145. 6°W 0000 99 07 03 03 0 1009.8 7 2.0 83.5 75.6 85.3 3 3 2 4 0 0 01 2/1 15.8°S 145. 9°W 1800 99 00 00 01 0 1010.8 3 0.7 82.0 75.0 83.5 2 2 2 4 0 0 03 2/2 15.6°S 146.4"'W 0000 99 29 06 02 0 1008.5 7 2.0 83.3 72.6 85.6 2 2 2 4 0 0 04 2/2 15.5°S 146. 6°W 1800 99 00 00 02 0 1009.5 1 1.8 82.7 76.3 83.9 3 2 2 4 3 0 04 2/3 15.2°S 147. 3°W 0000 99 04 08 16 0 1007.5 7 1.5 83.0 75.0 84.1 3 3 2 4 7 0 34 2/3 IB.O-S 147. 9°W 1800 98 03 13 03 2 1009.5 1 1.7 83.2 75.3 84.3 6 6 2 3 0 0 00 2/16 15.7'"S 150. 3"'W 0000 99 25 13 14 2 1010.2 7 2.0 83.7 78.3 83.4 6 6 9 5 0 0 35 2/16 15.5°S 150. 1°W 0600 98 32 08 01 1 1011.9 2 2.0 83.0 77.7 83.2 3 3 1 4 0 0 32 2/16 15.1°S 149. 6°W 1200 98 32 08 01 0 1010.8 7 1.5 82.4 76.1 83.4 1 1 1 4 0 0 32 2/17 14.0°S 148. O-W 0000 98 32 10 03 1 1009.8 7 2.0 84.0 78.0 84.0 7 4 2 4 5 0 32 2/17 13.2<'S 147. 2°W 0600 98 33 13 01 1 1011.9 2 1.5 83.0 78.4 83.5 3 3 1 4 0 0 30 2/17 13. 1°S 145. 6°W 1200 98 32 17 03 1 1009.8 7 1.5 82. 1 78.8 83.0 5 5 1 4 0 0 30 2 2/17 12.3°S 145. 4°W 1800 98 32 22 03 1 1012.2 2 2.0 82.8 78.4 81.9 6 6 2 4 0 0 30 2 2/18 12.1°S 145. 1°W 0000 98 32 25 03 2 1009.8 5 1.0 83.0 77.5 82.2 8 8 8 4 X X 36 5 2/18 11.5°S 142. 1°W 0600 97 32 18 50 2 1012.5 1 2.0 82.1 77.9 80.0 8 8 8 4 X X 36 4 2/18 11.1°S 143. 5°W 1200 97 34 21 02 5 1010.2 7 2.0 82.0 77.0 81.8 8 8 8 4 X X 36 4 2/18 lo.s-s 142. 8°W 1800 98 34 23 15 8 1013.2 1 2.5 82.5 76.2 81.0 8 8 8 4 X X 36 5 16 Table 3. --Weather observations, Charles H. Gilbert cruise 43 - continued Wind Wea- ther Pressure Temperature Clouds Waves U , U< ^ 0) Ik I>i 0 c 0) in V - c 0 ^ C o F o '3 0 "a 3 0 E * 0 c 0 0 •0 •0 E IS c 0 ■8 .^ - CD ■r-l > s u CI. 00 4) X 2/19 10.3°S 142. 0°W 0000 98 36 15 01 2 1010.8 7 1.5 83.2 76.8 82. 1 7 7 8 4 0 0 36 1 3 2/19 09.7°S 141. 2°W 0600 98 01 13 03 2 1012.9 2 2. 5 82.5 77. 1 82.2 8 8 8 4 X X 00 1 3 2/19 09.2"'S 140. 8°W 1200 98 03 13 02 2 1011.5 6 2.0 79.6 77.0 82.1 5 3 1 4 1 0 00 1 2 2/23 08.6°S 140. 6°W 0000 98 07 14 01 1 1009. 1 6 2.0 81.9 75.4 82.3 5 5 8 4 0 0 03 1 2 2/23 08.0°S 139. 8°W 1800 99 06 13 02 0 1012.9 2 2.0 82.0 74.6 81.6 2 1 2 6 5 0 03 1 2 2/24 08.4°S 139. 4°W 1800 99 08 14 02 0 1013.2 2 2.5 81.8 73.2 82.4 1 1 2 6 0 0 10 1 2 2/25 08.7''S 139. 3°W 0000 99 07 09 02 0 1010.2 6 1.5 85.0 74.5 83.0 1 1 2 6 0 0 09 1 2 2/25 09.2°S 139. 2°W 1800 97 13 10 14 2 1012.5 2 2.0 78.9 75.5 82.1 7 5 7 4 0 2 15 1 2 2/26 og-s-s 138. 8°W 0000 98 07 10 14 2 1009. 1 7 2.5 82.6 76.4 82.6 4 3 2 5 0 2 10 1 2 2/26 10. rs 138. 8°W 1800 99 06 12 01 0 1012.9 2 1.5 83.6 73.8 82.0 1 1 2 6 0 0 10 1 2 2/27 10.6''S 138. 7°W 0000 99 06 10 03 0 1009.8 7 2.0 83.4 75.5 82.9 2 2 2 6 0 0 10 1 2 2/27 10.2°S 139. 0°W 1800 99 08 13 03 0 1013.2 1 2.0 82.2 75.3 82.7 3 3 2 5 0 0 08 1 2 2/28 09.8°S 139. 2°W 0000 99 04 13 02 0 1010.2 6 2.0 83.5 74.5 83.0 2 2 2 5 0 0 06 1 2 2/28 09.8°S 139. 4°W 1800 99 07 14 02 0 1013.9 2 2.0 82.5 74.2 82.5 1 1 2 6 0 0 02 1 2 3/1 09.5°S 140. 2°W 0000 99 06 03 02 0 1009. 1 7 3.0 84.2 74.0 83.3 1 1 2 6 0 0 02 1 2 3/3 os.g-s 139. 7°W 1800 99 11 14 01 0 1013.5 1 1.0 83.4 73.4 82.5 2 2 2 4 0 0 06 2 1 3/4 08.9°S 139. 7°W 0000 99 11 16 15 0 1009.5 6 2.5 82.0 76.4 82.3 3 2 2 4 7 0 05 2 1 3/4 06.8°S 139. 7°W 1200 98 09 16 00 0 1009.5 6 1.5 80.6 75.4 80.6 2 2 2 4 0 0 08 2 1 3/4 06.2°S 139. 7°W 1800 99 09 16 01 0 1011.5 X XX 81.0 75.3 80.5 3 3 4 4 0 0 08 2 2 3/5 05.4°S 139. 7°W 0000 99 11 12 01 0 1007.5 7 2.5 81.0 74.7 80.6 1 0 0 9 1 0 08 2 2 3/5 05.5°S 139. 7°W 0600 99 12 17 00 0 1010.5 2 2.5 80.5 74.9 79.8 1 1 1 4 0 0 08 2 2 3/5 06.0°S 139. 7°W 1200 98 10 18 00 0 1009. 1 6 1.5 80.0 74.7 80.0 1 1 1 4 0 0 07 2 2 3/5 06.8°S 139. 8°W 1800 98 10 11 03 1 1011.9 1 1.5 80.1 76.0 80.2 5 4 8 4 4 0 07 2 2 3/6 07.5°S 139. 7°W 0000 99 09 11 01 1 1008.1 7 3.0 83.0 77.0 82.5 3 3 2 4 0 0 07 2 2 3/6 08.2°S 139. 8°W 0600 98 10 16 00 0 1010.5 1 2.0 82. 1 75.0 81.7 2 2 1 4 0 0 10 2 1 3/8 09.7°S 139. 7°W 1800 99 07 15 00 0 1010.8 2 1.5 82.8 76.3 82.0 2 2 2 4 0 0 10 2 1 3/9 lo.rs 139. 6°W 0000 99 10 15 01 0 1008. 1 7 2.0 83.2 75.0 82.5 1 1 2 4 0 0 09 2 1 3/9 10.8°S 139. 6°W 0600 98 10 15 00 0 1010.8 2 2.0 82.9 75.2 82.8 2 2 1 4 0 0 14 1 1 3/9 ILS'S 139. 7°W 1200 98 11 14 00 0 1009.5 6 1.5 81.0 76.2 82.6 4 4 1 4 0 0 14 1 1 3/9 12.2°S 139. 7°W 1800 98 08 15 50 1 1011.5 1 2.0 82.8 76.3 83.0 6 5 2 4 4 0 14 1 1 3/10 12.8°S 139. 7°W 0000 99 09 10 02 5 1009. 1 7 2.0 83.8 77.0 82.9 3 3 2 4 0 0 09 2 2 3/10 12.8''S 139. 8°W 0600 98 08 11 01 0 1011.5 2 2.0 83. 1 76.4 83.0 2 2 2 4 0 0 09 2 1 3/10 12.1°S 139.7''W 1200 98 08 11 02 0 1009.8 7 2.0 82.0 74.3 82.5 2 2 2 4 0 0 07 2 1 3/10 10.3°S 139. 7°W 1800 99 10 07 02 0 1012.2 2 2. 0 82.6 74.9 82.8 1 1 3 5 0 0 06 3 1 3/11 10.0'S 139. 4°W 0600 99 09 16 00 0 1010.8 2 2.0 82.9 76.0 83.3 1 1 2 4 0 0 07 2 1 3/17 08.6°S 140. 6°W 0000 98 08 12 01 1 1011.2 7 2.0 83.5 77.5 83.6 4 4 4 4 0 0 06 2 1 3/17 07.6°S 141. 0°W 0600 98 10 12 02 0 1013.2 2 2.0 82.8 76.6 82.3 2 2 2 4 0 0 06 2 1 3/17 06.8''S 141. 4°W 1200 98 07 14 01 0 1012.2 6 1.5 81.4 76.5 82.0 1 2 2 4 0 0 09 2 1 3/17 06.1°S 142. 0°W 1800 98 09 17 01 0 1015.2 2 2.0 81.9 76.2 81.3 1 1 2 4 0 0 05 2 1 3/18 05.2°S 142. 4°W 0000 98 06 11 03 0 1011.9 7 3.0 81.6 75.2 82.0 4 3 2 4 1 0 03 2 1 17 Table 3. --Weather observations, Charles H. Gilbert cruise 43 - continued Wea- Wind Pressure Temperature Clouds Waves ther u , b 00 u OJ ul b 0 C OJ in ■0 3 H O 0 >~ c o X C u u o o J3 c u 0 "a 0 3 u 3 0 £ 0 c 0 0 ■0 1 J3 00 c 0 •s ■3 J3 13 4> JD ^ -1 c u X V QD C g u 111 1 t; 0 0 E DC QJ a 0 M u 0£ a ►J J H > d 1 PL< Dh n U < Q 3= 02 H < H X H H (J U< X 3/18 3/18 3/18 3/19 3/19 3/19 3/19 3/20 3/20 3/20 3/20 3/21 3/21 3/21 3/21 3/22 3/22 3/22 3/22 3/23 04.2°S 03.7°S 03.0''S 02.4°S 02. 1°S 01.5°S 00.5°S 00. 01. 02. 3°N 2°N 2''N 03.0°N 03.8°N 04.9°N 05.6°N 06.6°N 07.3°N 08.1°N 08.9°N 09.7°N 10.6°N 143.3' 143.7' 144.0' 144.5' 144.6" 144.7' 145.5' 145.9' 146.4' 146.8' 147.3' 147.8' 148. 1' 148.5' 148.9' 149.3 149.2 149.6 150. 1 150.5 98 98 0600 1200 1800 98 0000 98 0600 98 1200 98 1800 99 09 08 11 16 12 11 18 13 07 11 11 11 09 11 02 03 02 03 02 01 02 0 1013.5 0 1012.5 0 1014.2 0 1010.2 1013.2 1011.9 0 0 0 1014.6 .5 81. 1 75.0 ,5 79. 5 73.9 ,5 80.4 74.8 ,5 81.2 75.2 ,0 81.0 76.0 8 ,0 80.5 81. 1 81.0 80.6 81.9 1.1 75.9 80.6 0 83.2 76.8 80.5 0 05 0 05 0 04 1 0 16 2 0 05 1 0 05 1 0 10 1 W 0000 98 17 12 03 0 1010.5 7 2.5 85.0 78.1 81.3 322450 16 2 W 0600 97 11 08 03 1 1013.2 2 2.5 81.5 76.7 80.7 7 3 2 4 5 1 12 1 W 1200 97 11 12 00 2 1010.5 7 2.0 80.2 76.4 81.0 722450 12 2 1800 0000 0600 1200 1800 0000 0600 1200 1800 0000 99 98 98 98 97 97 96 96 98 98 10 08 08 07 05 08 07 06 06 07 09 09 12 18 15 23 20 19 20 21 01 01 02 16 63 14 01 00 21 00 1012.9 1010.2 1012.5 1010.2 1013.2 1009.5 1011.9 1010.5 1013.2 1010.8 2.0 82 2.0 81 2.0 82 2.0 80 2.5 80 3.5 81 1.0 81.8 2.0 80.7 2.0 80.0 2.5 80.0 77.0 76.4 77. 1 77.0 77.3 76.9 76.6 75.7 76.3 74.7 81. 82. 82. 82. 81. 82. 80.9 81.0 79.2 80.0 1 12 0 04 0 04 0 04 X 04 X 04 X 04 0 04 0 04 0 04 3/23 12.5°N 150. 3°W 0600 96 06 23 00 2 1013.2 2 2.0 78.2 74.5 78.5 7 64400 06 2 3 3/23 12.3°N 151. 1°W 1200 96 07 20 00 2 1012.9 7 2.0 77.3 73.1 77.6 664400 06 2 3 3/23 3/24 3/24 3/24 3/24 3/25 U.l'N 151. 8°W 14.0°N 152.3'"W 0000 98 152.6''W 0600 96 153. rw 153.4''W 14.7°N 15.5''N 16.5°N 17.0°N 153. 7°W 1800 97 06 24 14 5 1015.2 2 3.0 77.0 72.0 77.4 777400 06 23 07 20 03 1 1013.9 7 2.0 78.0 72.0 77.4 441400 06 23 07 24 02 2 1016.9 2 3.0 76.5 71.6 75.5 772400 06 23 1200 97 07 15 03 1 1017.6 7 1.5 75.3 69.5 76.0 772400 06 23 1800 98 07 22 01 0 1019.3 2 2.0 75.8 70.5 75.6 222400 06 2 3 0000 98 07 22 02 2 1018.6 7 1.5 74.8 69.9 76.2 664400 07 23 3/25 17.2°N 153. 9°W 0600 97 08 20 02 2 1019.6 3 2.0 76.3 70.1 76.2 772400 06 2 3 3/25 17.7''N 154. 5°W 1200 98 08 23 01 1 1019.6 7 1.5 74.8 69.9 75.1 222400 06 2 3 3/25 18.2°N 155.4''W 1800 98 06 24 02 0 1020.7 3/26 18.8°N 156.0''W 0000 98 08 20 01 0 1019.0 2 2.0 74.8 70.5 73.9 7 2.5 75. 1 71.0 76. 1 222400 07 23 222400 07 23 18 Table 4. --Temperature and salinity of surface water in baiting areas, Charles H. Gilbert cruise 43 Date, 1959 Time, LT Locality Salinity Temp. , -F. 1/22 1020 1/22 1420 1/24 0817 1/25 0625 2/10 0625 2/19 1242 2/20 0655 2/20 0915 2/20 1345 3/1 1231 3/2 0516 3/2 0953 3/6 1000 3/14 1340 Tai Oa, Nuku Hiva Taipi Vai, Nuku Hiva Taipi Vai, Nuku Hiva Taiohae, Nuku Hiva Tautira, Tahiti Taipi Vai, Nuku Hiva Tai Oa, Nuku Hiva Tai Oa, Nuku Hiva Taiohae, Nuku Hiva Taipi Vai, Nuku Hiva Taiohae, Nuku Hiva Taiohae, Nuku Hiva Taipi Vai, Nuku Hiva Taiohae, Nuku Hiva 35.44 84.9 12.70 79.4 34.79 81.1 35.97 81.5 17.05 78.0 28.05 83.1 35.77 81.4 31.48 76.9 35.96 84.2 25.35 82.0 35.92 81.5 35.91 84.6 33. 15 85.0 36.04 87.8 Table 5. --Transparency, water color and related observations, Charles H. Gilbert cruise 43 ositionl/ Secchi Water Percent Date, 1959 Noon p disc, meters color (Forel) Seai/ Windl^ sky cover Latitude Longitude 1/27 14nO'S 141°27'W 33.0 1 3 - 18 80 1/28 15°53'S 142°05'W 40. 2 2 2 - 16 70 1/29 16'>32'S 143°08'W 39.4 2 2 08 - 14 50 1/30 16°08'S 144°28'W 36.6 2 - 07 80 1/31 15°54'S 145°40'W 47.6 1 - 08 30 2/1 15°31'S 146°08'W 40. 2 1 - 06 20 2/2 15°16'S 147°09'W 38.4 1 29 - 08 30 2/22 08°38'S 140°26'W 20.6 2 04 - 10 70 2/23 07°53'S 139=59. w 27.0 1 07 - 11 20 2/24 08°43'S ug'is'w 28.4 1 08 - 13 20 2/25 09°35'S 138°50'W 22.8 1 09 - 12 70 2/26 10°22'S 138°26'W 38.9 1 08 - 13 10 2/27 09°49'S 139°09'W 22.0 1 34 - 03 30 2/28 09°33'S 140°02'W 34.8 1 08 - 15 10 1 / All observations taken at 1200 LT, except on 2/28 when the observa- tion was taken at 1300 LT . 2/ Sea state coded according to H.O. Pub. No. 606-c, second edition, ~ 1956. 3/ Wind direction and speed coded according to U.S. Weather Bureau, Circular M. 19 Table 6. --Surface troll catch and related data, Charles H. Gilbert cruise 43 Date 1959 Time, LT Position Species Num - beri/ Average length, cm. Latitude Longitude 1/9 1635 17°58'N 155°16'W Yellowfin 3 77.0 1/9 1700 17°56'N 155°14'W Dolphin 4 67.0 1/9 1715 17°54'N 155°13'W Bigeye 2 45.5 1/10 0850 15°57'N 154°04'W Dolphin 1 88.0 1/10 1000 15°49'N 153''58'W Dolphin 3 78.7 1/11 1000 15<'49'N 153°58'W Dolphin 78.7 1/21 1600 09°23'S 140°08'W Dolphin 103.0 2/18 1145 10°14'S 142''26'W Rainbow Runner 72.2 2/23 0610 07°55'S 140°38'W Little Tuna 61.3 2/23 0620 07°54'S 140''36'W Yellowfin 85.8 2/23 0710 07°50'S 140°32'W Wahoo 85.8 2/23 1215 07°54'S 139°57'W Yellowfin 83.4 2/25 0525 08°59'S 139°30'W Yellowfin 91.9 2/25 0530 09°00'S 139°30'W Little Tuna 52.3 2/26 0830 10°08'S 138°46'W Wahoo 115.5 2/26 1220 10''24'S 138''27'W Wahoo 148.9 3/5 1730 07°53'S 139°43'W Barracuda 138.1 3/8 0555 09°10'S 139°38'W Dolphin 116. 1 3/13 1300 08°48'S 139M6'W Little Tuna 49. 1 3/14 0630 08°46'S 140°04'W Yellowfin 75.3 3/14 0700 08''36'S 139°59'W Little Tuna 47.5 3/14 0700 08°36'S 139°59'W Wahoo 136.9 3/16 1115 08°56'S 140°14'W Wahoo 2 130.3 1/ Fish of the same species caught within a 1-hour interval were combined in a single number. 20 Table 7. --Surface troll catch, Cape Falcon n! n) c X > 3 j3 Q 2 0 f-H O IH C C o o J3 u 0 0 a2 u C O t 2/17 1 - - - - 2/18 13 8 8 1 - 2/19 11 1 3 2 - 2/20 12 - - - - 2/21 4 2 - - - 2/22 2 4 - 1 1 2/23 2 - - - - 2/24 2 - - - - 2/25 - 1 - - - 2/26 1 1 - - - 2/27 - 1 - - - 3/2 - 2 - - - 3/3 - 1 - - - 3/4 2 - - - - 3/5 15 - 1 - 3 3/6 11 1 1 - - 3/7 11 1 5 1 1 3/10 13 - - - 1 3/11 2 2 - 1 - 3/12 6 - - - 1 3/13 26 - 3 - - 3/14 2 2 2 - - Total 136 27 23 21 Table 8. --Summary of pole -and -line fishing, Charles H. Gilbert cruise 43 Date, 1959 Time, LT Posit ion Number of passes Number of minutes Number caught and speciesi.' Amount of bait ( buckets) Latitude Longitude chummed 1/15 1112 02''02'N 145°10'W 1 3 0 SJ i.oi/ 1/29 0953 16°25'S 142°59'W 1 5 0 SJ .5 1/29 1016 16°28'S 143°02'W 3 8 1 SJ 4.0 1/29 1350 16°35'S 143°28'W 2 16 166 SJ 7.0 1/30 1410 16°01'S 144°49'W 1 2 0 SJ 1.0 1/31 0745 15°45'S 145°06'W 1 6 40 SJ 2.0 1/31 1345 15°54'S 145°40'W 2 5 0 SJ .5 2/1 1105 15°29'S 146°06'W 1 11 217 SJ 5.0 2/2 0643 15°30'S 146°36'W 2 8 17 SJ, 4 YF 4.0 2/2 0855 15°25'S 146»49'W 1 3 0 SJ .5 2/2 0955 15°21'S 146°57'W 1 2 0 SJ .5 2/4 1520 14°58'S 147°31'W 2 6 0 SJ 1.0 2/22 1217 08°36'S 140°28'W 2 6 102 SJ 2.0 2/23 0831 07°45'S 140°20'W 4 10 0 SJ 2.0 2/23 0925 07°44'S 140°16'W 5 6 0 YF 2.0 2/23 1337 08°01'S 139''45'W 1 3 41 SJ 2.0 2/23 1445 08''05'S 139°39'W 2 7 16 SJ, 48 YF 2.0 2/24 0925 08°33'S 139°15'W 4 9 13 SJ 2.0 2/24 1012 08°36'S 139°13'W 2 4 0 SJ 1.0 2/24 1110 08°42'S 139°11'W 2 5 0 SJ 1.0 2/24 1245 08°47'S 139''16'W 1 4 0 SJ 1.0 2/25 0824 og-is's 139°12'W 2 4 0 SJ 1.0 2/25 1310 09°44'S 138"'46'W 2 7 0 SJ 1.0 2/25 1550 09''50'S 138°59'W 2 3 0 UN 1.0 2/26 0940 10°13'S 138°33'W 2 5 85 SJ 2.0 2/26 1215 10''24'S 138°28'W 2 4 0 SJ 1.0 2/27 1204 09°49'S 139°13'W 9 15 82 SJ 6.0 2/27 1333 09°51'S 139°15'W 3 12 OS J 2.0 2/28 1145 09°32'S 140°02'W 6 14 92 SJ 6.0 3/3 0815 08°50'S 139°40'W 3 9 17 SJ, 2 YF 5.0 3/5 1003 07°07'S 139°46'W 1 6 42 SJ 3.0 3/5 1253 07°21'S 139°44'W 2 11 231 SJ 4.0 3/8 1003 09°40'S 139°36'W 1 8 195 SJ 3.0 3/8 1058 10°47'S 139°35'W 3 13 23 SJ, 26 YF, 2 BE 3.0 3/8 1216 09°56'S 139°36'W 1 5 25 SJ 2.0 3/lC 1306 10°44'S 139°37'W 2 8 0 SJ 2.0 3/10 1415 10°40'S 139°38'W 2 5 25 SJ 2.0 — SJ = skipjack, YF = yellowfin, BE = bigeye, UN = unidentified _' Tilapia; Marquesan sardines were used at all other occasions. 22 Table 9- --Summary of pole -and -line fishing, Cape Falcon Date, 1959 Time, LT Position Latitude Longitude Number of passes Number of minutes chummed Number caught and species — Amount of bait. (scoops)Z_/ 2/16 0728 06°10'S 133°34'W 2/17 1034 07°24'S 137°28'W 2/17 1151 07''24'S 137°34'W 2/17 1519 07''28'S 138°05'W 2/18 0617 07°55'S 139°58'W 2/18 0821 07°55'S 139°58'W 2/18 0850 07°55'S 139°58'W 2/18 0854 07°55'S 139°58'W 2/18 0945 07°55'S 139°58'W 2/18 0956 07°55'S 139°58'W 2/18 1027 07°55'S 139°58'W 2/18 1044 07°55'S 139°58'W 2/18 1124 07''55'S 139°58'W 2/18 1306 07°55'S 139°58'W 2/18 1410 07°55'S 139°58'W 2/18 1520 07''55'S 139°58'W 2/18 1600 07°55'S 139°58'W 2/18 1628 07°55'S 139''58'W 2/18 1639 07°55'S 139°58'W 2/18 1750 07°55'S 139''58'W 2/19 0659 07°55'S 139°58'W 2/19 0817 07°55'S 139°58'W 2/19 0952 07°54'S 140°12'W 2/19 1025 07°54'S 140°13'W 2/19 1215 07°54'S 140°21'W 2/19 1412 07°54'S 140°32'W 2/19 1500 07°54'S 140°31'W 2/19 1522 07°53'S 140°31'W 2/19 1545 07°54'S 140°32'W 2/19 1642 07°52"S 140"34'W 2/19 1647 07°53'S 140°34'W 2/19 1700 07''54'S 140°34'W 2/19 1736 07°54'S 140°34'W 2/20 0707 07°56'S 140°36'W 2/20 0721 07°56'S 140°37'W 2/20 0754 07''54'S 140°38'W 2/20 0920 07°53'S 140°37'W 2/20 0937 07°53'S 140°37'W 2/20 0954 07°53'S 140°37'W 2/20 1037 07°57'S 140°39'W 2/20 1153 08°04'S 140°46'W 2/20 1236 08°02'S 140°45'W 2/20 1325 08°04'S 140°43'W 2/20 1345 08°04'S 140°45'W 2/20 1405 08°05'S 140°46'W 2/20 1435 08°04'S 140°45'W 1 1 2 5 4 1 1 3 1 1 1 1 2 3 7 4 1 2 1 4 4 2 2 2 1 3 2 1 4 1 1 4 2 1 1 2 2 1 3 2 1 2 1 1 3 1 1.0 0 SJ 2.0 0 YF 6.0 81 SJ 8.0 0 SJ 30.0 56 YF 19.0 210 YF .5 0 YF 4.0 0 SJ 1.0 0 UN 9.0 42 YF 4.0 5 YF 1.0 0 UN 2.0 0 SJ 29-0 69 YF 26.5 148 YF 7.5 86 YF, 0 SJ 4.0 50 YF 2.0 0 UN 1.0 0 SJ 7.0 7 YF, 0 SJ 18.0 37 YF 8.0 6 YF, 0 SJ 6.0 4 YF 9.0 18 YF 1.0 0 UN 9.0 25 YF 8.5 45 YF, 2 RR 1.0 0 SJ 17.0 88 YF, 0 SJ 2.0 0 YF 2.0 0 UN 6.0 1 YF, 0 SJ 5.0 7 YF, 0 LT 2.0 0 YF 4.0 5 YF 6.0 5 YF 5.0 0 YF, 0 LT 1.0 0 SJ 3.0 0 YF, 0 UN 2.0 0 SJ 17.0 67 YF 6.0 25 YF 1.0 0 SJ .5 0 SJ 5.0 4 YF, 0 SJ 1.0 0 SJ , UN = unidentified RR = .50 .25 10.00 2.00 20.00 20.00 handful 2.50 .50 8.00 2.00 . 50 1.00 19.00 21.00 7.25 5.00 .75 .00 .00 .00 .00 .00 4.50 .50 7.25 7.00 .50 12.50 1.00 1.00 3.50 4.00 .50 4.00 5.50 1. 50 . 50 1.50 1.00 20.00 12.00 .50 .50 4.00 1.00 U SJ = skipjack, YF = yellowfin, LT = rainbow runner 2^/ In converting "scoops" to weight, Alverson and Shimada (1957) used a factor of 8 pounds per scoop. 23 Table 9. --Summary of pole -and -line fishing, Cape Falcon - continued Date, 1959 Time , LT Position Latitude Longitude Number of passes Number of minutes chummed Number caught and species 1/ 2/20 1455 08°03'S 140°44'W 2/21 1029 08°30'S 140°03'W 2/21 1140 08°27'S 140''03'W 2/21 1223 08°39'S 140°02'W 2/22 1010 09''15'S 140°02'W 2/22 1134 09°21'S 139°59'W 2/22 1156 09°23'S 139°59'W 2/22 1210 09''25'S 140°00'W 2/22 1334 09°34'S 140°04'W 2/22 1403 09°40'S UO'OS'W 2/22 1500 09°50'S 140"'08'W 2/24 1553 14°08'S 140°27'W 2/24 1614 14°09'S 140"'28'W 2/25 0917 16°04'S 142°30'W 2/26 1443 16°57'S 144°33'W 2/27 1158 n°l3'S 147°34'W 2/27 1338 17°17'S 147°52'W 3/2 0925 15°13'S 146°49'W 3/2 1358 14"'43'S 146°27'W 3/2 1702 U'SO'S 146''15'W 3/4 1109 10''32'S 142°24'W 3/5 0638 08°42'S 140°37'W 3/5 0645 08°42'S 140°37'W 3/5 0657 08''41'S 140°37'W 3/5 0749 08°40'S 140°36'W 3/5 0807 08°37'S 140°37'W 3/5 0929 08°40'S 140°39'W 3/5 0958 08°41'S 140°38'W 3/5 1518 08°12'S 140°36'W 3/6 0611 08°02'S 140°43'W 3/6 0618 08°02'S 140°43'W 3/6 1117 07°58'S 140°07'W 3/6 1209 07°56'S 140°02'W 3/6 1422 07°55'S 139°58'W 3/6 1544 07''52'S 13.9°56'W 3/6 1626 07°55'S 139°58'W 3/7 0628 07°55'S 139°58'W 3/7 0652 07°55'S 139°58'W 3/7 0718 07°55'S 139°58'W 3/7 0802 07°57'S 139°56'W 3/7 0930 07''59'S 139°42'W 3/7 1220 08°05'S 139°38'W 3/7 1247 08°05'S 139°38'W 3/7 1404 08°08'S 139°31'W 3/7 1607 08°16'S 139°26'W 3.0 2.0 3.0 4.0 1.0 2.0 3.0 1.0 2.0 2.0 1.0 5.0 2.0 2.0 2.0 1.0 4.5 1.0 3.0 1.0 3.0 1 .0 3 , 2, 2 2 3 1 11 1 .0 0 YF 0 SJ 0 SJ 0 YF 0 SJ 14 YF 0 YF 0 UN 0 SJ 0 SJ 0 SJ 0 YF 0 UN 0 UN 0 SJ 0 SJ 0 SJ 0 UN 0 SJ 0 SJ 0 YF 0 YF 1 YF 0 YF, 2 YF 0 YF, 0 SJ 0 YF, 0 YF 0 YF 0 YF 0 YF 0 SJ 0 UN 0 YF 0 YF 0 YF, 0 YF, 0 SJ 0 YF 0 YF 15 YF, 0 LT, 11 YF 0 SJ 0 DT 0 SJ 0 RR Amount of bait, (scoops)£/ 0 UN 0 LT, 0 UN 0 RR 0 RR 1.50 1.00 2.0C 2.00 2.00 5.00 1.00 1.00 1.00 2.00 1.00 2.00 1.00 3.00 2.00 7.00 1.00 1.00 6.00 00 GO ,00 ,00 1.00 ,00 ,00 .00 ,00 ,00 .00 .00 .00 50 1 .00 2 .00 3 .00 3 .00 2 .00 5.00 2 .00 4.00 10 .00 3 .00 18 .00 3 .00 }J SJ = skipjack, YF = yellowfin, LT = little tuna, UN = unidentified, DT = dogtooth tuna, RR = rainbow runner 2/ In converting "scoops" to weight, Alverson and Shimada (1957) used a factor of 8 pounds per scoop. 24 Table 9. --Summary of pole -and -line fishing, Cape Falcon - continued Date, 1959 Time, LT Position Latitude Longitude Number of passes Number of minutes chummed Number caught and species zJ Amount of bait, (scoops)— 3/7 1639 08°18'S 139°24'W 3/10 0555 08°48'S 140°07'W 3/10 0712 08°48'S 140°15'W 3/10 0732 08°48'S 140''16'W 3/10 1132 08°56'S 139°59'W 3/11 1515 09°00'S 139°38'W 3/11 1600 09°00'S 139°38'W 3/11 1715 08°58'S 139°39'W 3/12 0740 08°01'S 139°28'W 3/12 1247 08°41'S 139°17'W 3/12 1620 08°15'S 139°32'W 3/12 1655 08°15'S 139°32'W 3/13 0555 08°20'S 139°37'W 3/13 0909 08°02'S 139°45'W 3/13 0950 08°01'S 139°43'W 3/13 1152 07°52'S 139°59'W 3/13 1214 07°52'S 139°59'W 3/13 1303 07°52'S 139°59'W 3/13 1422 07°56'S 140°00'W 3/13 1445 07°53'S 139°59'W 3/13 1525 07°56'S 140°00'W 3/13 1534 07°56'S 139''58'W 3/13 1610 07''56'S 139°58'W 3/13 1655 07°56'S 140°00'W 3/14 0634 07°56'S 139°57'W 1 2 3 1 1 2 1 1 1 1 2 1 2 2 1 1 1 3 1 1 1 1 1 1 4 1.0 1.0 2.0 2.0 1.0 1 .0 4 .0 0 SJ 0 YF 0 YF 0 YF 0 UN 0 SJ, 0 SJ 0 YF 0 SJ 0 UN 13 YF, 0 SJ 5 YF 0 YF 0 YF 0 YF, 2 YF 0 YF 2 YF, 0 YF 2 YF 0 YF 0 YF 0 YF 0 YF, 0 RR 0 SJ 0 RR 0 LT 5.00 00 00 1 .00 00 00 00 00 .50 1.00 50 00 00 00 1 .00 0 SJ 00 00 00 00 00 00 00 00 50 50 U SJ = skipjack, YF = yellowfin, LT = little tuna, UN = unidentified, RR = rainbow £' In converting "scoops" to weight, Alverson and Shimada (1957) used a factor of pounds per scoop. 25 U c o 3 -Q T3 ^ C cr' 00 c 01 73 I o a • i-t .a BO 3 c o H T^^ox ^8i-9ii t'ii-99i ^-9^-992. t'9i-9f'i ffl-iZL frei-9?Z. t'Zi-9Ti t'T/.-90i f'Oi-969 ^69-989 ^89-9i9 t'i9-999 ^99-999 to u ^99-9^9 E s ^t'9-9e9 ^e9-9e9 ^e9-9I9 C i^T9-909 60 c ^09-969 ^■69-989 C 0) 0 i^89-9i9 ^A9-999 ?'99-999 f'99-S^9 f'f'9-9e5 ^e9-9Z9 f'Z9-9I9 i^T9-909 f'09-96fr ^6^-98^ ^2f'-9lf fLf-S9i' ^9^-SSf' ^Sf'-Sf'f fff-9Zf fif'-SZf t'Zt'-9I^ ^-satoads xas apnjiSuoT pUB aprnij^T 69 61 'aj^a i— tm^HrgmrO'Njrsjin'^ roror^QOsOOtnmoosDO 00 r- rt^ <-< —I sO iN sO <— • fNj rvi fNj {^] -^ ro -^ ':J^ fN] CO r^ ^ rvj fM f\] -H I I m i-H I f\J fNj (NJ ^ ^H T^ rn ■— • tM ' ^ I fO .^ ro ^ m fM fM f^ — I .— < I --I fM I fM -H ^ -^ rO I m I I m fM I ^ r 00 m (M I (M — . rM .— t rO -^ ^ fO ^ I I _l ^H WWW ►-) t^ H, hH w w cn >^ wwwwwwwwww>-' wwwwww>-'wcnw ^ CO ^: W ^ 00 rg in on in -o o -o o ■~D ~0 on ^ in in o^ rj o rO (NJ ^ o IM o f^ m fNj o tf o fO vO en ~o t^ in in in vO in sO 00 o 00 o 00 r> ^^ ^ •~t ^ ^-1 '^i -H ^ -H ^ o 'I' o m o rn ^ — ' "^ ^ ^ —* ^ '^ CT^ t> ^ (SI ro m (M rM m -^ INI r\) INJ (NJ M in f^ r^ o m rM rM o O r*^ ^-1 •—1 m ■if r-4 CO O in -t 00 cr- o 00 o sO 1 1 00 1 1 in 1 1 tM 1 1 in -^ 1 ro 1 tM rj 1 vO ^ I ^J ro ^ 00 fM (M 1 1 ^ CM 1 1 tM ' ' r<1 ' ' 00 1— ( ' ' CO tM 1 r K, P4 W tn >• 03 o H m c % o in ^1 27 I^IOX f-If-I-SO*! f-BZT-SiZI ^IZI-50?I {■0ZI-56II 1-611-5811 frSII-SilT f-iii-sgii f-9n-ssii f-sn-sm f-f-II-SEII f-eii-5?ii »'Zii-sin f-ni-soii frOII-5601 ^601-5801 (■801-SiOI f-ioi-sgoi ^-901-5501 f-soi-st-oi ^i-OI-SCOT ^•coi-seoi frZ0I-5I0T ^lOI-SOOI ?'00I-566 ^66-586 l-86-5i6 h *i6-S96 0) *-96-S56 s *-56-S*6 b f'f'6-5£6 1 *-£6-SZ6 c 1-26-516 wzz;^.^.^ ^.^^ 2 ^^incoinaoincomcoinooinaoincoincoinooinooP^P^P^ -^fvjO^ _ -Sf^S • 2, ■^ 'S"** o 0 o (. o 0 o e g g e o d e o o o o o o e o f^5v^V'^VCV'^'^VC^"Cril*~'(jC[J™>l.-r'^>- «^^^^«_^^_H-H^ o o o o^^owX o o oCmpow — 00 Z8 (A 2 3 IS H nj in H C 3t) 2 o 0 0) 4-» 2 Q c (U - 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Gilbert cruise 43 Date, 1959 Position Time LT Observation Number Latitude Longitude 1/16 01''06'S 143°52'W 1455 Whale 1 1/16 01°18'S 143°45'W 1615 It 1 2/1 16°03'S 145°43'W 0625 Porpoise 20 2/22 08°59"S 140°11'W 0915 6 2/22 08°14'S 140°40'W 1550 2 2/23 07°56'S 139°53'W 1240 4 2/24 08°48'S 139°17'W 1045 1 2/24 08°56'S 139°27'W 1500 12 2/25 09°24'S 139°02'W 0950 8 3/1 08°56'S 140°04'W 1007 15 3/5 06°37'S 139°51'W 0640 Whale 1 . 3/8 09°54'S 139°35'W 1215 Blackfish 4 3/13 09''21'S 140°07'W 0550 Porpoise 20 3/13 09°02'S MCU'W 1105 II 9 3/13 08"'52'S MOnS'W 1224 " 4 3/13 08°46'S 140°09'W 1430 " 2 3/17 04°47'S 142°50'W 1800 " very large school Table 18. --Record of aquatic mammals sighted, Cape Falcon Date, 1959 Position Time LT Observation Number Latitude Longitude 2/12 03''48'N 125''12'W 1300 Blackfish 2 2/16 06°22'S 134»31'W 1425 ti 2 2/18 07''54'S 139°58'W 1248 Porpoise large school 2/21 08°31'S MO'U'W 0800-0830 II - 2/22 09°10'S 140''03'W 0930 11 large school 2/22 09°34'S 140">06'W 1415 II 10 2/25 16''14'S 142°56'W 1443 II few 3/4 10°36'S 142°28'W 1020 Whale 2 3/5 08°48'S 140''46'W 1025 Porpoise few 3/8 08°45'S 140''02'W 1010 II large school 3/9 08''45'S 140°03'W 0615 II 50 3/10 08''45'S UCM'W 0625 II few 3/10 08°48'S 140''15'W 0750 II large school 3/12 08°50'S 139°15'W 1130 " approx. 30 3/13 08°02'S 139°44'W 0900-0910 Blackfish 2 3/13 08''02'S 139*44'W 0936 Whale I 3/14 08''32'S 140''08'W 1123 Blackfish 12 36 Table 19. --Common and scientific names offish caught Anchoveta Barracuda Bigeye tuna Dogtooth tuna Dolphin Green snapper Jack Jack Jack Little tuna Marquesan sardine Rainbow runner Skipjack Tahltian nehu Tahitian sardine Wahoo Yellowfin tuna Cetengraulis mysticetus (Gunther) Sphyraena nigripinnis Tennnninck and Schlegel Farathunnus sibi (Temminck and Schlegel) Gynnnosarda nuda (Gunther) Coryphaena hippurus Linnaeus Aprion virescens Cuvier and Valenciennes Caranx ignobilis (Forskai) Caranx lugubris Poey Caranx melampygus Cuvier and Valenciennes Euthynnus yaito Kishinouye Harengula vittata (Cuvier and Valenciennes) Elagatis bipinnulatus (Quoy and Gaimard) Katsuwonus pelamis (Linnaeus) Stolephorus sp. Sardinella melanosticta (Schlegel) Acanthocybium solandri (Cuvier and Vsilenciennes) Neothunnus macropterus (Temminck and Schlegel) 37 "5 WHSE 01476