l6S CLASSIFICATION OF FISHES, ETC. 



ExoPLosrs. Mouth small ; form short, broad, and oval, 



Diplopteron. Head broad and high ; caudal roundei 



Enoplostis, Like a Chstodon ; head and mouth very small ; dorsals 



high. 

 Gramistes. Oyal ; scales very small, covered by the skin ; caudal 



round. 



AspRo. Form slender ; muzzle depressed ; mouth beneath. 

 HcE,o. Broad ; mouth large, sub-vertical ; lower jaw longest. 



Hiiro. Preoperculum entire. 



Ambassus. Anal fin lengthened ; ventral before the pectoral. 



Apogon-. Head and body thick ; eyes very large ; tail long. 



Aposon, Anal fin beneath the second dorsal. 

 Fomatomus. Anal fin behind the second dorsal. 

 Cheilodipterus. Teeth as in Lucioperca ; dorsal fins short. 



2. Sub-family Serranik^. — Dorsal fin single, emarginate ; 

 jaws with canines ; preopercule crenated ; opercule with 

 prickles. 



Serrancs. Body fusiform ; fins without scales or basal 

 sheath. 



Serranus. Caudal fin truncate, or slightly lunate. 

 Chromileptes. Caudal fin rounded, or semi-oval. 

 Piectropoma. Teeth of the preopercule pointing forwards. 

 Cynichthys. Head large, obtuse ; mouth sub-vertical. 

 i'ariola. Ventral and caudal fins very long, the latter forked. 



Pektaceros. Body short, broad, resembling a Chastodon ; 



scales smalL 



Polyprion. Body broad, compressed, triangular ; orbits horned. 

 Pentaceros. Body ovate ; orbits and ventral spine serrated. 



AcERiNA. Muzzle prominent beyond the mouth ; lower jaw 

 short. 



Grystes. Dorsal fin deeply cleft ; mouth sub-vertical : pre- 

 opercule smooth. 



Eteles. Fusiform ; eyes very large ; caudal deeply forked. 



Elastoma. Teeth as in Serranus ; dorsal deeply cleft ; caudal divisions 



equal. 

 Eteles. Several large incurved teeth in the jaws ; caudal divisions 



unequal. 

 UripJueton. Two middle rays of the caudal forming a long filament. 



3. Sub-family PERCoPHiy.s. — Ventral before the pectoral; 

 dorsal spines few. 



Percophis. Dorsal fins two ; body slender, anguilliform. 



Percis. Dorsal fin single, very long. 



Percis. Slender, fusiform, shape of a Labrus ; lips thick and fleshy. 

 Pinguipes. Sub-fusiform : head thicker, somewhat obtuse. 

 Bypticus. Scales nearly hid by the common skin. 



