18 Commercial Shark Fishing in the Caribbean Area 



Silky Shark, floridanus, Figure 22. 

 The pectoral fins of this species are nearly or 

 are as long as the head (that is, the distance 

 from the snout to the fifth gill opening). 



falciformis, Figure 23. 



Its pectoral fins are shorter than those of the 

 Silky Shark (only 2/3 as long as the head). 

 Its snout is also much more broadly rounded. 



2. Free rear tip of the second dorsal fin much 

 less than twice as long as the height of the 

 fin — Figures 24, 25, and 26. 



White-Tipped Shark, longimanus, Figure 24. 

 Tip of first dorsal fin is very broadly rounded 

 and tip of anal fin reaches nearly to the origin 

 of the lower caudal lobe. 



Dusky Shark, obscurus, Figure 25. 

 Tip of first dorsal fin is angular or only nar- 

 rowly rounded and tip of anal is not near the 

 origin of the caudal lobe. 



Origin of first dorsal fin is about over the inner 

 corner of the pectoral fin when the latter is 

 laid back; its vertical height is less than the 

 distance from the eye to the first gill opening. 



Brown Shark, milberti, Figure 26. 



First dorsal and anal fins are like the Dusky 



Shark. 



Origin of first dorsal, however, is over the axil 



(armpit) of the pectoral; its vertical height is 



at least as great as the distance from the eye 



to the third gill opening. 



B. Eulamias which are smooth along the middle of 

 the back between the first and second dorsal fins, 

 without a trace of a ridge along its length, and 

 which also have (1) or (2): Figures 24, 27, 28, 

 and 29. 



1. A very broadly rounded first dorsal fin and the 

 tip of the anal fin reaching nearly to the origin 

 of the caudal — Figure 24. 



