Species: Callechelys cliffi, Sandy ridgefin eel

Callechelys cliffi Böhlke & Briggs, 1954

Sandy ridgefin eel

Moderately elongate; head and body compressed, 55-58% of TL; head short, snout strongly pointed, a median groove on its underside extends to before nostrils, slightly overhanging mouth; anterior nostril tubular, rear nostril in lower lip under eye, opens outside when mouth is closed, covered by a flap; teeth small, pointed, in 1 row on jaws, present between top jaws and on roof of mouth; gill openings low on side, converging forwards; gill chamber an expanded pouch; tip of tail a hard finless point; pectorals absent; dorsal and anal fins present; dorsal high , begins on head at or just behind eye, and ends a little before tail tip; lateral line from head almost to tip of tail.

Head creamy white, body yellowish, covered with numerous fine spots, not much larger than eye diameter; dorsal fin with a distinct white edge.

Size: to 46 cm.

Habitat: sandy and rocky bottoms.

Depth: 0-30 m.

The mouth of the Gulf of California; Panama.