Dorsal spines (total): 0; Anal spines: 0; Vertebrae: 132 - 135. Body robust and eel-shaped; mouth very large, with gape reaching well beyond eye; dorsal fin inserted before gill-openings, 57-68 fin-rays before level of vent; pectoral fins relatively small, about 4 times in head length; lateral line pores before level of anus 41 or 42 .