Commercial Shark Fishing in the Caribbean Area 19 



White-Tipped Shark, longimanus (adult), 

 Figure 24. 



2. Narrowly round first dorsal fin and the tip of 

 anal fin is not near the origin of the caudal- 

 Figure 27, 28 and 29. 



Bull Shark, leucas, Figure 27. 



Snout is extremely short and very broadly 



rounded. 



Fins not tipped with black. 



Small Black- Tipped Shark, limbatus, 

 Figure 28. 



Snout is longer than in the Bull Shark (the 

 snout,, in front of a line coimecting the outer 

 end of the nostrils, is at least 2/3 as long as 

 distance between nostrils.) 

 Fins conspicuously tipped with black. 

 First gill opening less than 2/i times hori- 

 zontal diameter of eye. 



Great Black- Tipped Shark, maculipinnis, 

 Figure 29. 



Snout and fins are similar to those of Smal] 

 Black-Tipped Shark. 



Origin of first dorsal fin is over or behind the 

 inner corner of the pectoral fin when the lat- 

 ter is laid back. 



First gill opening is more than 4 times as long 

 as horizontal diameter of the eye. 

 Margins of lower teeth perfectly smooth. 

 Some of the fins conspicuously tipped with 

 black. 



Key II — To All Important Species of Sharks, With the Exception 

 of Eulamias, Which Are To Be Found in the Caribbean Area. 



1. Sharks with an anal fin — Figures 30 through 51. 



A. Seven gill openings and 1 dorsal fin. 



Seven- Gilled Shark, Heptranchias perlo, 

 Figure 30. 



