480 



Fishery Bulletin 92(2). 1994 



Hook Number 



Figure 8 



Male and female blue shark, Prionace glauca, catch- 

 frequency distribution along the hooks of the longline, 

 in the southwestern equatorial Atlantic Ocean, during 

 February to June and July to December, 1990. 



Hazin, F. H. V. 



1986. Pesca de atuns e afins com embarcacao de 

 pequeno porte no nordeste 



brasileiro. Graduation thesis, Universidade 

 Federal Rural de Pernambuco, Recife, Brazil, 

 107 p. 

 Hazin, F. H. V., A. A. Couto, K. Kihara, K. Otsuka, 

 and M. Ishino. 



1990. Distribution and abundance of pelagic 

 sharks in the south-western equatorial 

 Atlantic. J. Tokyo Univ. Fish. 77(l):51-64. 



Pratt, H. L., Jr. 



1979. Reproduction of the blue shark, Prionace 

 glauca. Fish. Bull. 77:445-470. 



Stevens, J. D. 



1975. Vertebral rings as a means of age determi- 

 nation in the blue shark (Prionace glauca L. ). J. 

 Mar. Biol. Assoc. U.K. 55:657-665. 

 Yoshihara, T. 



1952. Distribution of catches of tuna longline. Ill: 

 Swimming depth. [In Japanese.] Nippon 

 Suisan Gakkaishi, 18(8):187-190. 



1954a. Distribution of catches of tuna longline. 

 rV: On the relation between K and psi with a 

 table and a diagram. [In Japanese.] J. Tokyo 

 Univ. Fish. 19(10):1012-1014. 



1954b. On the distribution of catches by tuna 

 longline. J. Tokyo Univ. Fish. 41(l):l-26. 



Literature cited 



Amorim, A. F. 



1992. Estudo da biologia, pesca e reproducao do cacao 

 azul, Prionace glauca L. 1758, capturado no sudeste 

 e sul do Brasil. Ph.D. thesis, Universidade Estadual 

 Paulista, Rio Claro, Sao Paulo, Brazil, 176 p. 



Compagno, L. J. V. 



1984. FAO species catalogue. Vol. 4, Parts 1 and 2: 

 Sharks of the world: an annotated and illustrated 

 catalogue of shark species known to date. FAO 

 Fish. Synop. 125, 655 p. 



