Shorefishes of the Eastern Pacific online information system

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Species: Ogcocephalus porrectus, Cocos batfish

All Families:   All Genera:   All Species:

horn very hairy
flank + hairy fringe
skin - many large spiny knobs

Ogcocephalus porrectus Garman, 1899

Cocos batfish

Head depressed but elevated above disk; disc triangular; snout pointed, with a horn-like rostrum rojecting well forward before eyes, a mass of long hairs on tip of horn; fish-lure with 3 fleshy points, in a small cavity under horn; spine at lower rear corner of operculum blunt or little developed; gill rakers are oval plates covered with small teeth; eyes on sides of head; gill opening high, above pectoral fin base; pectoral and pelvic fins limb-like, pectorals completely separated from body; skin covered dorsal fin on tail, small fleshy anal fin under tail; skin with many large protruding, bony spines; fringe of hairs along lower side, from mouth to base of tail fin; underside of body completely covered with pointed, bony scales; underside of tail densely covered with small prickles, with sometimes a few conical spines along midline.

Upper back pale brown; a pair of large dark blotches on nape, several smaller blotches on mid-side; pale bar under eye; orange red to creamy white along ventral surface; mouth red.

Size: 16 cm.

Habitat: rocky and sandy bottoms.

Depth: 35-150 m.

Cocos and Malpelo only.

Note: The population at Malpelo may represent a separate, undescribed species.


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Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Reef and soft bottom
  • Sand & gravel
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Carnivore
Diet
  • Mobile benthic worms
  • Mobile benthic gastropods/bivalves
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • TEP oceanic island (s) endemic
  • TEP endemic
  • Island (s)
  • All species
  • Island (s) only
  • Multiple oceanic islands endemic
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Depth Range Min
  • 35
Depth Range Max
  • 150
Length Max
  • 16