Shorefishes of the Eastern Pacific online information system

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Species: Gordiichthys combibus, Pacific horsehair eel

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very elongate
front nostril not elevated
D origin on head
tail: < 1/2TL, tip hard, blunt, finless
top front teeth exposted in groove under snout
gill opening: axis oblique low on side,
no pectorals

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.

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  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Beach
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • No Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic
  • No data
  • Pelagic larva
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • All species
  • Continent only
  • Continental TEP endemic
  • Panamic province endemic
  • TEP endemic
  • Continent
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Data deficient
  • Not listed
Length Max
  • 41
Depth Range Min
  • 0
Depth Range Max
  • 2