YOUNG OF SOME MARINE FISHES IN LOWER CHESAPEAKE BAY, VA. 

 POMATOMUS SALTATRIX (Linnaeus). Bluefish 



89 



Distribution. — One plankton tow on July 24, 1930 at Station B yielded four 

 specimens of young bluefish. 



Description. — The young ranged from 4 to 7 mm. in length. The bluefish at 

 4.3 mm. has the larval fin fold entire, although the dorsal, anal, and caudal fin rays 



Figure 9—Poronotux triacanthu*. From a specimen 3.7 mm. lone. 



Fir jure 10.— Poronotus triacanthus. From aspecimeu mm. long. From Kuntz nod KadclilTc (1918). 



Figure n.—Poronnlnstrinrnnlliiis. From aspecimen 15mm. long. From Kuntz and Radcliffe (1918) 



are slightly differentiated. The yolksac is absent. Three distinctive series of black 

 dashes occur laterally on I he body; one along the dorsal ridge, another along the 

 median line, and the other along the ventral edge. Other chromatophores occur 

 above the abdominal cavity and on the top of the head. The teeth are well developed 

 and appear quite diagnostic. The writer is unfamiliar with any other local fish in 

 which the teeth are so strongly developed at such an early age (fig. 12). 



407898—41 3 



