Species: Phaenomonas pinnata, Elastic snake-eel, Shortfin snake-eel

Phaenomonas pinnata Myers & Wade, 1941

Shortfin snake-eel,     Elastic snake-eel

Body extremely elongate, cylindrical; tail very short, ~ 30% of TL; the only fin present is a short-based dorsal originating on head and ending on front of body; snout overhanging, blunt, grooved below; eye minute; front nostril tubular; rear nostril under edge of top lip, inside mouth; teeth small, stout, conical, in single row on jaws; ~ 5 teeth on vomer;  gill openings low on side, crescentic; tip of tail a hard conical point.

Body reddish; front part of head translucent; tail yellowish.

Size: 54 cm.

Habitat: burrows in mud and sand bottoms.

Depth: 1-50 m.

The Gulf of California to the Galapagos.