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Species: Girella freminvillii, Dusky sea-chub

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blue-grey
white spot before eye
Galapagos

Girella freminvillii (Valenciennes, 1846)

Dusky sea-chub

Body oval, moderately compressed;  head blunt, short; mouth small, square, lips thick, opens at the front; the top jawbone slips partially under the under-eye bone when the mouth is closed; teeth incisiform, bases set horizontally in mouth, with curved, hockey-stick shape, outer band of large movable teeth with flattened, 1-3 pointed tips; no teeth on central roof of mouth; dorsal fin continuous, XIII spines that fold down into a scaly groove, 15; anal rays III, 12; spines on fins short, thick; tail blunt, straight to slightly concave; paired fins are relatively short; origin of the pelvics behind the base of the pectoral fin; scales small, thick and rough, covering the body, head (except the snout) and soft portions of the median fins; scales in midlateral series about 50-55.

Bluish grey with blackish margin on gill cover; a whitish patch just in front of each eye.

Maximum size to 45 cm.

Habitat: rocky reefs. Usually seen in grazing aggregations on rocky reefs.

Depth: 1-15 m.

Galapagos Islands.


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Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom + water column
  • Near Bottom
  • Bottom
Habitat
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Reef only
  • Water column
  • Submerged vegetation
FishBase Habitat
  • Reef Associated
Feeding Group
  • Omnivore
  • Data
Diet
  • Sessile worms
  • Benthic macroalgae/seagrasses
  • Sessile crustacea
  • Benthic microalgae
  • No Data
  • Sessile molluscs
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • TEP oceanic island (s) endemic
  • Island (s) only
  • TEP endemic
  • Galapagos Islands endemic
  • Island (s)
  • All species
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 45
Depth Range Min
  • 1
Depth Range Max
  • 15