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Species: Ogilbia galapagosensis, Galapagos brotula

All Families:   All Genera:   All Species:

head deep
C 11-12
preopercle - no top pore
cheek no scales
pectoral 15-17

Ogilbia galapagosensis (Pol & Leleup, 1965)

Galapagos Brotula

Body elongate, slender, somewhat compressed; head wide (~ 13.8% of SL), and high (height ~ 17.4% of SL); wide between eyes; snout rounded; mouth large, slightly under snout; top jaw bone expanded vertically at rear; a sharp spine on opercle that has 1 tip; eye relatively large (2.1-2.7% of SL); preopercle with 3 pores at lower rear corner, upper part without a pore; gill rakers 12-16, 2-4 long rakers in angle of arch; origin of dorsal fin at level of middle of pectoral fins; pelvic fins inserted below rear part of head; dorsal rays 69-74; anal rays 54-62; pectoral rays 15-17; tail fin rays 11-12; lateral line indistinct, continuous, complete; body covered with overlapping, small scales, about 110 in midlateral series; cheek without scales; belly with scales; penis curved, abruptly tapering to tip; 2 pairs of pseudoclaspers associated with penis, outer pair with a long, spine-like support, inner pair much shorter than outer pair.

Pale to light brown

Size: reaches 6.1 cm.

Inhabits subterranean pools in lava rocks.

Depth: 0.5-5 m.

Endemic to the Galapagos.


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Salinity
  • Brackish
  • Freshwater
  • Non Marine
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Freshwater
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef only
  • Rocks
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Carnivore
Diet
  • Insects
  • Mobile benthic crustacea (shrimps/crabs)
  • Data
Egg Type
  • No pelagic phase
  • No data
  • Live birth
  • No pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • All species
  • Galapagos Islands endemic
  • TEP endemic
  • TEP oceanic island (s) endemic
  • Island (s)
  • Island (s) only
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Vulnerable
CITES
  • Not listed
Length Max
  • 6.1
Depth Range Min
  • 0
Depth Range Max
  • 5