(Family):Dorsal fin with a deep notch or completely divided in two. Caudal fin not furcated. Anal fin with 1〜2 spines. Head mostly covered with scales. Lateral line extending to hind margin of caudal fin. Lower jaw with a single or more barbels in some species. (Genus and Species):Lower jaw with a single slender and flexible barbel.
Distribution:
From Honduras to Brazil.
Remarks:
Two other genus in western Atlantic, Menticirrhus and Umbrina bearing a single barbel, are distinguishable from this genus by their barbles are stout and rigid.