pe ee 
‘a 
4 
1 
4 
= 
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4 
4 
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Marcu, 1914. List or Fisnes or Costa Rica — MEEK. 121 
Family Carangide. 
Caranx latus Agassiz. 
Caranx latus Agassiz, Pisc. Bras., 1829, 105 (Brazil). 
One specimen of this species was taken in swift clear water at the 
foot of rapids, with Joturus, Agonostomus, and Brycon. 
Zent (1), 180 mm. 
Family Liognathidez. 
Gerres brevimanus Giinther. 
Gerres brevimanus Ginther, Proc. Zodl. Soc. Lond., 1864, 152 
(Chiapas, Guatemala). 
The members of this family are marine, although some few species 
ascend rivers to some distance above tide water. 
This species was very abundant in the Rio Jesus Maria. 
Jesus Maria (21), 50 to 245 mm. 
Encinostomus californiensis (Gill). 
Diapterus californiensts Gill, Proc. Ac. Nat. Sci. Phila., 1862, 245 
(Cape San Lucas). 
Jesus Maria (6), 63 to 120 mm. 
Family Cichlidz. 
The Cichlids; Mojarras. 
In Costa Rica thirteen species of cichlids have been taken. It is 
probable that others known from Nicaragua also occur in the lower 
courses of the rivers of Costa Rica, which flow into Lake Nicaragua 
and its outlet, the Rio San Juan. The cichlids occupy a position in 
the fresh-waters of tropical America quite similar to that of the sun- 
fishes in the eastern half of temperate North America. In general form 
they are much alike, and so far as known have in general much the 
same habits. Some species, like many of the genus Lepomis, have 
