POTTHOFF: OSTEOLOGICAL DEVELOPMENT AND VARIATION IN YOUNG TUNAS 



stiel School of Marine and Atmospheric Science 

 for the western Atlantic specimens; and to Robert 

 H. Gibbs, Jr. of the Smithsonian Institution for 

 the Pacific specimens. I thank WilUam J. Richards 

 of the National Marine Fisheries Service (NMFS), 

 Southeast Fisheries Center, Miami Laboratory, 

 who helped me through all phases of research 

 and manuscript preparation with his valuable 

 advice and criticism. I am grateful to Bruce B. 

 Collette of the NMFS Systematics Laboratory and 

 Elbert H. Ahlstrom of the NMFS Southwest 

 Fisheries Center for their critical review of the 

 manuscript. Finally, I thank Grady W. Reinert, 

 Gabrielle Ranallo, and Claire R. Ulanoff of the 

 NMFS Southeast Fisheries Center for preparing 

 the illustrations. 



LITERATURE CITED 



BuLus, H. R., Jr., and F. J. Mather III. 



1956. Tunas of the genus Thunnus of the northern Carib- 

 bean. Am. Mus. Novit. 1765, 12 p. 

 DE Sylva, D. p. 



1955. The osteology and phylogenetic relationships of the 

 blackfin tuna, Thunnus atlanticus (Lesson). Bull. Mar. 

 Sci. Gulf Caribb. 5:1-41. 

 Eaton, T. H., Jr. 



1945. Skeletal supports of the median fins of fishes. J. 

 Morph. 76:193-212. 

 Frade, F. 



1931. Sur le nombre de rayons des nageoires et de pin- 

 nules branchiales chez le thon rouge Atlantique. Bull. 

 Soc. Port. Sci. Nat. 11:139-144. 



1932. Sur les caracteres osteologiques a utiliser pour la 

 determination des thonides de I'Atlantique oriental et 

 de la Mediterranee. Rapp. P.-V. Reun. Comm. Int. 

 Explor. Sci. Mer Mediterr. 7:79-90. 



Gibbs, R. H., Jr., and B. B. Collette. 



1967. Comparative anatomy and systematics of the tunas, 

 genus Thunnus. U.S. Fish Wildl. Serv., Fish. Bull. 

 66:65-130. 

 GoDsiL, H. C, AND R. D. Byers. 



1944. A systematic study of the Pacific tunas. Calif Div. 

 Fish Game Fish Bull. 60, 131 p. 

 Jones, S. 



1960. Notes on eggs, larvae and juveniles of fishes from 

 Indian waters. III. Katsuwonus pelamis (Linnaeus) and 

 IV. Neothunnus macropterus (Temminck and Schlegel). 

 Indian J. Fish. 6:360-373. 

 JuArez, M. 



1972. Las formas larvarias del Thunnus atlanticus 

 (Larval forms of Thunnus atlanticus). Mar Pesca 78: 

 26-29. (Translated by L. Dupart and W. Klawe, 1972, 

 Inter-Am. Trop. Tuna Comm., La Jolla, Calif., 5 p.) 



KiSHINOUYE, K. 



1923. Contributions to the comparative study of the so- 

 called scombroid fishes. J. Coll. Agric. Imp. Univ. 

 Tokyo 8:293-475. 



Klawe, W. L. 



1961. Young scombroids from the waters between Cape 



Hatteras and Bahama Islands. Bull. Mar. Sci. Gulf 



Caribb. 11:150-157. 

 Klawe, W. L., and B. M. Shimada. 



1959. Young scombrid fishes from the Gulf of Mexico. 

 Bull. Mar. Sci. Gulf Caribb. 9:100-115. 



Kramer, D. 



1960. Development of eggs and larvae of Pacific mackerel 

 and distribution and abundance of larvae 1952-56. U.S. 

 Fish Wildl. Serv., Fish. Bull. 60:393-438. 



Marchal, E. 



1963a. Description des stades post-larvaires et juveniles 

 de Neothunnus albacora (Lowe) de I'Atlantique tropico- 

 oriental. FAO (Food Agric. Organ. U.N.) Fish. Rep. 

 6:1797-1811. 

 1963b. Description des stades post-larvaires et juveniles 

 de quatre especes de Scombridae de I'Atlantique tropico- 

 oriental. Mem. Inst. Fr. Afr, Noire 68:201-240. 

 Matsui, T. 



1967. Review of the mackerel generaScomfter andRastrel- 

 liger with description of a new species of Rastrelliger. 

 Copeia 1967:71-83. 

 Matsumoto, W. M. 



1961. Collection and descriptions of juvenile tunas from 



the central Pacific. Deep-Sea Res. 8:279-286. 

 1963. Unique shape of the first elongate haemal spine of 

 albacore, Thunnus alalunga (Bonnaterre). Copeia 1963: 

 460-462. 

 Mead, G. W. 



1951. Postlarval A^eofAunnus macropterus, Auxis thazard, 

 and Euthynnus lineatus from the Pacific coast of Cen- 

 tral America. U.S. Fish Wildl. Serv., Fish. Bull. 52: 

 121-127. 

 Nakamura, I. 



1965. Relationships of fishes referable to the subfamily 

 Thunninae on the basis of the axial skeleton. Bull. 

 Misaki Mar. Biol. Inst. 8:7-38. 



Nakamura, I., and S. Kikawa. 



1966. Infra-central grooves of tunas with special reference 

 to the identification of young tunas found in the stomachs 

 of large predators. Rep. Nankai Reg. Fish. Res. Lab. 

 23:55-66. 



Padoa, E. 



1956. Monografia: Uova, larve e stadi giovanili di Teleos- 

 tei (Eggs, larvae and juvenile stages of the Scombri- 

 formes (in part) of the Gulf of Naples). [In Ital.] 

 Fauna Flora Golfo Napoli 38:471-521. [Translated by J. P. 

 Wise and G. M. Ranallo, 1967, Transl. No. 12 of the 

 Trop. Atl. Biol. Lab., 49 p.; avail, at Bur. Commer. 

 Fish, (now Natl. Mar. Fish. Serv.), Miami, Fla.] 



POTTHOFF, T., and W. J. RiCHARDS. 



1970. Juvenile bluefin tuna, Thunnus thynnus (Linnaeus), 

 and other scombrids taken by terns in the Dry Tortugas, 

 Florida. Bull. Mar. Sci. 20:389-413. 

 Richards, W. J., and T. Potthoff. 



In press. Analysis of taxonomic characters of young scom- 

 brid fishes, genus Thunnus. In J. H. S. Blaxter (editor). 

 The Early Life History of Fish. Proceedings of a Sym- 

 posium held in Scotland in 1973. Springer, Heidelberg. 

 RiVAS, L. R. 



1951. A preliminary review of the western North 

 Atlantic fishes of the family Scombridae. Bull. Mar. Sci. 

 Gulf Caribb. 1:209-230. 



587 



