Species: Gordiichthys combibus, Pacific horsehair eel

Gordiichthys combibus McCosker & Lavenberg, 2001

Pacific horsehair eel

Body very elongate (depth ~ 1.5% TL), cylindrical; tail 41-46% of TL, with a blunt, finless tip; snout short, overhanging; underside of snout with a central groove groove extending from the mouth to between the bases of the front nostrils that exposes protruding teeth; jaws short, lower jaw not reaching front nostril; lips without barbels; teeth small, conical, in single series on jaws (8 on top jaw, 11 on lower), those between front of top jaws (a cluster of 3) not exposed; eye small; front nostril not protruding but may partly set off by a curved groove on the underside of the snout; rear nostril a vertical slit at level of eye opening into mouth; gill opening crescentic, angled at 45 degrees, low on side; dorsal fin origin on middle of head; median fins low, extending nearly to tail tip; no pectoral fins; lateral line extends nearly to tip of tail, with ~ 170 pores, with 92 pores before anus and 9 before gill opening.

Color of preserved fish: Pale brown above lateral line, yellowish below; chin, snout and top of head brown; pores above and below eye in brown spots.

Size: reaches 41 cm.

Habitat: grey sand beach.

Depth: 0-1.5 m.

Northern Colombia.