Eel-like, moderate to shallow body depth; maxilla free and movable; cardiform teeth present; branchiostegal membranes partly or completely united; swim bladder with thin terminal membrane or bulb; lacking enlarged dentary or premaxillary fangs, dentary diastema, pelvic fins, and swim bladder rocker bone (Ref. 34024).

Description: Characterized by translucent with silvery cheek and abdomen; length of pectoral fin 1.9-2.6 in head length; head depth greater than body depth, about 15 in TL; head length about 8.0 in TL; two rows of incurved teeth in jaws, largest are the inner row of upper jaw and outer row of lower jaw; vomer with 2-6 enlarged teeth in middle row on protruding vomer; 2-3 rows of teeth in palatines (Ref. 90102).