ATLANTIC SAILFISH 



145 



FioiRE 6.— Larva, 6.4 millinipters long (USX.M 111814). 



LARVA, 8.1 MILLIMETERS 



(Fig. 7) 



The snout extends farther beyond the tip of 

 the mandible. Many teeth of varied sizes are 

 present in both jaws, and fanglike teeth occur on 

 the tip of the mandible. There are 42 rays in the 

 dorsal fin, 10 in tiie anal, 15 in the pectoral, and 2 

 in the pelvic (posterior rays in dorsal fin are less 

 clearly defined than anterior ones), and the caudal 

 fin is notched. The pattern of pigmentation 

 extends over a greater area. 



LARVA, 9.5 MILLIMETERS 



(Fig. 8) 



The anterior opening of each nostril has a collar 

 (formed by a flap of skm). A second lower 

 secondary preopercular spine is present on the 

 left main preopercular spine, but a similar spine 

 was not found on the right main spine, or on 

 either spine of other specimens of similar size. 

 The dorsal fin has increased in height, and when 

 depressed fits into a groove formed from a raised 

 dermal flap on each side of fin (groove ends at 



FiGiRE 7.— Larva, 8.1 millimeters long (USNM 111814). 



Figure 8.— Larva, 9.5 millimeters long (USXM 1 11814). 



