198 CLASSIFICATION OF FISHES^ ETC. 



Ambassus ^,^, „ ^^^^(^I'^ickthys^ 



Centropomus 



Siphon. 



1. SuBFAM. PERCINiE. 

 Dorsal fins two^ distinct ; no canines. 



Perca Linn. Body oblongs fusiform ; jaws nearly- 

 equal ; mouth large. 



Perca Linn. Gill covers more or less scaly; caudal 



fin sub-lunate^ lobate^ or slightly forked; body oblong, 



sub-fusiform ; mouth opening beneath the eye. 



P. labrax Linn. Cuv. pi. 11. acuta. Cuv. pi. 10. 



macronatus. lb. pi. 12. fluviatilis. 



Lates Cuv, General form of Perca, but the body is 

 wider and the head narrower ; mouth large, extend- 

 ing behind the eye ; caudal and pectoral fins rounded ; 

 preoperculum with strong teeth. 



L. nobilis. Cuv. pi. 13. 



Centropomus Cuv. (^JigA2.d.) Head pointed, as in 

 Lates ; caudal fin large, forked ; the second spine of 

 the anal fin remarkably large. 



C. undecimalis. Cuv. pi. 14. 



Niphon Cuv. (figA2.e.) Body fusiform; first dorsal fin 

 much larger than the second ; head lengthened, 

 pointed ; very strong spines on the operculum, and a 

 lengthened pointed one at the angle of the preoper- 



