CATALOGUE 



OF 



AFRICAN FRESH-WATER FISHES. 



Suborder Vlll. A C A N T 11 () P T E 11 Y C. 1 1 [cunt.). 



Fam. 9. CARANGIDvE. 



Scombriform fishes willi the praMioaxillaries move or less protractih' ; 

 body covered witli siiuiU scales or naked, often with enlarged scutes on 

 each side of the body or of the tail ; dorsal spines few, or slender or 

 rudimentary; a more or less developed spine adnate to the soft portion 

 of the anal, often preceded by a pair of spines separated from the rest 

 of the tin ; ventral tins tlioracic. Vertebric 24 to 26 ; ribs beiiind the 

 transverse processes; ei)i[)leurals on the transserse processes, rarely on 

 the ribs. 



Seas of tlie temperate and tropical regions, a few species entering 

 fresh waters. 



1. TRACHYNOTUS. 



L:ico|). Hist. Poi-s. iii. p. 78 (1802) : Cuv. ^V: Val. Hi,!. Pulss. viii. p. ;V.I8 (18.31) ; 

 (uiiilli. (';il. Fi>li. ii. p. -18(1 ( 18l)('). 



Body strongly compressed, deep, covered with minute scales. Month 

 rather small ; very small teeth iu jaws and on palate, usually disa[)pearing 

 with age. 7 branchiostegal rays ; no psendobranchiir. Dorsal tin with 

 5 to 7 sliort spines, preceded by a smaller one directed forwards. 2 anal 

 sjiines separated fronr tlie ])rincipal portion of the tin. \'ertebi;e 21 

 (10 + 14). Air-bladder forked beliind. 



Atlantic, Indian, and Pacific Oceans. 

 VOL. IV. JJ 



