24 Sharks 



BLUE, OTHER SHARKS 



I. Long pectoral fins; length equal to distance from tip of 

 snout to at least first gill slit 

 Page 25, figs. A-D 



la. Origin of first dorsal fin far behind rear end of base 

 of pectoral fin 

 Page 25, fig. A 



See Blue Shark, p. 241. 



lb. Origin of first dorsal fin over rear portion of base 

 of pectoral fin 

 Page 25, figs. B-D 



See Cub, Dusky, Brown Sharks, p. 26. 



II. Shorter pectoral fins; length less than distance from 

 tip of snout to first gill slit 

 Page 25, fig. E 



See Paragaleus, Small Black-tipped, Lemon, Other 

 Sharks, p. 28. 



