Species: Myrophis anterodorsalis, Longfin worm eel

Myrophis anterodorsalis McCosker, Böhlke & Böhlke, 1989

Longfin worm eel

Moderately elongate, compressed; head and trunk < tail; 1 pore behind upper ½ of eye; snout blunt, broadly depressed, overhanging, without groove on underside; eye large, its size affected by sexual development, over middle of top jaw; front nostril tubular, rear nostril under a flap, opening into mouth; lips without barbells; teeth small, conical, curved back, an outer ring of 9-11 teeth + 2 large teeth at front between top jaws, 1 row of 12-16 small teeth on central roof of mouth; top jaw with 25-30 teeth in outer row, 15-16 on inner row; lower jaw with several large teeth at front, outer row of 26-30 teeth and inner row of 18-20; gill opening small; on underside;dorsal and anal confluent with tail; dorsal fin origin before mid-trunk, < twice head length behind snout tip, behind gill opening by 1-2X pectoral length; pectoral fin well developed, broad based; dorsal and anal fins confluent with tail fin; lateral line pores visible on head and trunk only, only a few behind anus, lines of each side of head connected by 2 canals with across top of head; 14-17 vertebrae before dorsal fin, 45-49 before anus.