March, 1914. List of Fishes of Costa Rica — Meek. 129 



Family Potnadasidae. 



Pomadasis croco (Cuvier & Valenciennes). 



Prtstoponia croco Cuvier & Valenciennes, Hist. Nat. Poiss., v, 1830, 

 264 (Martinique). 



Pmnadasis croco Regan, Biol. Cent. Amer., 1907, 44. 



This species inhabits the eastern streams and coasts of tropical 

 America. 



La Victoria (15), 87 to 195 mm.; Zent, April 12 (17), 70 to 183 mm.; 

 Zent, April 15 (5), 90 to 200 mm. 



Pomadasis bayanus Jordan & Evermann. 



Pomadasis bayanus Jordan & Evermann, Bull. 47, TJ. S. Nat. Mus., 



1906, ^;^ (Bayano River, Panama); — ^ Regan, Biol. Cent. Amer., 



1907, 43- 



Pacific Coast streams of tropical America. 

 Jesus Maria (4), 87 to 345 mm. 



Family Gobiidae. 



Nearly all of the members of this family are marine. Some species, 

 however, run into brackish and fresh water, though seldom beyond the 

 influence of the tides; others, as Conophorus, Scycidium and some species 

 of Eleotris, are permanent residents of fresh water. 



Philypnus dormitor (Lacepede). 



Gobiomorus dormitor Lacepede, Hist. Nat. Poiss., 11, 1798, 599 

 (Martinique) . 



Philypnus dormitator Regan, Biol. Cent. Amer,, 1906, 5. 



The dark lateral band is very well marked in specimens up to about 

 75 mm. In larger specimens (290 mm.) it becomes broken up and fades 

 into the general color of the body. Caudal fin with spots arranged to 

 form 5 or 6 vertical bars ; these bars are broader and less numerous than 

 those on the caudal fin of the following species. 



Parismina (2), 258 to 400 mm.; La Victoria (7), 65 to 215 mm.; 

 La Junta (i), 285 mm.; Zent, April 12 (5), 125 to 300 mm.; Zent, April 

 15 (8), 95 to 230 mm. 



