PERRIN ET AL.: STOMACH CONTENTS OF PORPOISE AND YELLOWFIN TUNA 



Perrin, W. F. 



1969. Using porpoise to catch tuna. World Fishing 

 18(6):42-45. 



1970. The problem of porpoise mortality in the U.S. 

 tropical tuna fishery. Proc. 6th Annu. Conf. Biol. 

 Sonar Diving Mamm., Stanford Res. Inst., Menlo 

 Park, Calif., p. 45-48. 



1972. Variation and taxonomy of spotted and spinner 

 porpoises (genus Srenella) of the eastern tropical 

 Pacific and Hawaii. Ph.D. Thesis, Univ. Califor- 

 nia, Los Angeles, 5 17 p. 



PiNKAs, L., M. S. Oliphant, and L. K. Iverson. 



1971. Food habits of albacore, bluefin tuna, and 

 bonito in California waters. Calif. Dep. Fish 

 Game, Fish Bull. 152, 105 p. 

 Shomura, R. S., and T. S. Hida. 



1965. Stomach contents of a dolphin caught in 

 Hawaiian waters. J. Mammal., 46:500-501. 

 True, F. W. 



1906. Notes on a porpoise of the genus Prodelphimis 

 from the Hawaiian Islands. Bull. U.S. Fish 

 Comm. 23:811-815, 2 pi. 



Appendix Table 1. — Fish identified from otoliths taken from stomachs of five spotted 

 porpoise, Stenellu utteniiata, caught with yellowfin tuna in the eastern tropical Pacific. When 

 more than one stomach in sample, frequency of occurrence given in parentheses. Data supple- 

 ment those in Tables 2-7. 



Locality 



1 



Fish 



7°47'N 

 106°50'W 

 18 April 1969 

 ( 1 stomach) 



7°-8°N 

 106''-107°W 

 27-28 April 1969 

 ( 1 stomach) 



4°-7°N 

 86°-100°W 

 June-July 1970 

 ( ! stomach) 



(minimum number of individuals) 



9°28'N 

 129°18'W 

 12 Aug. 1970 

 (2 stomachs) 



Exocoetidae: 

 Cypselunis sp. 

 Exocoems sp. 

 Oxyporhamphns sp. 

 Unid. exocoetid(s) 



Myctophidae: 

 Diaphiis spp. 

 Diogenichihys laieniaiiis 

 Hygophuin spp. 

 luimpunyctiis spp. 

 Lepidophanes sp. 

 Myctophum spp. 

 Symholophorus sp. 

 Unid. myctophids 



AAelamphoidae: 

 MeUimphaes spp. 

 Scopelogudiis sp. 



Gonostomatidae: 

 Unid. gonostomatid 



Stromateidae: 



Ciibiceps carinatits 

 Ciibiceps sp. 

 Unid. stromateoids 



Gempylidae: 

 Unid. gempylid 



Paralepididae: 

 Unid. paralepidid 



Bathylagidae: 

 Balhylaiius sp. 



Bregmacerotidae: 



BrL'i;iiuiici'ii\ sp. 



Scopelosauridae: 

 Scopetosuurus sp. 



Opisthoprocfidae: 

 Dolichopteryx sp. 



Evermannellidae: 

 Evermunnella sp. 



Total 



9(2) 

 2(2) 



34(2) 

 62(2) 



4(2) 



340(2) 



12(2) 



6(2) 

 26(2) 

 76(2) 



18(2) 

 29(2) 



4(1) 



9(2) 



5(2) 



3(1) 



3(2) 



23(2) 



2(2) 



1 



1 



2(1) 

 671 



1091 



