Shorefishes of the Eastern Pacific online information system

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Species: Chriolepis atrimelum, Black-cheek goby

All Families:   All Genera:   All Species:

operculum: black oval
D: front spines filamentous
D2 & A long
all body scaled

Chriolepis atrimelum Bussing, 1997

Black-cheek goby

Body slender, wider than deep at front, tapering to a compressed tail base; head depressed; head without pores; eyes moderate sized (length 21% head length), at top of but not reaching above head profile, distance between eyes ~1.2 times eye length; most parts of head and front of nape with papillae; anterior and posterior nostrils tubular, front one longer; gill membranes broadly joined to body under throat, with 5 rays; gill rakers 9; dorsal fin VII (spines I-III very long, filamentous, longest reaching to base of 2nd last ray of 2nd dorsal + I, 11; length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; 2nd dorsal and anal fins long; anal fin I, 10; pectoral 20, pelvic fins I, 5, completely separate, rays 1-4 branched, tips not expanded, not reaching to anus, 5th ray not branched, 4th ray longest; tail fin long (1/3 SL), rounded, with a pointed tip; body all scaled to level of origin of dorsal fin, front scales smaller, nape naked, chest, belly and between pelvic fins scaled; scales rough, in lateral series  ~41; 2 large very rough scales on tail fin base; no lateral line.

Preserved fish pale, a large vertical black oval on opercle; median fins dusky; pelvic fins black.

Reaches at least 5.8 cm.

Depth: 137-146 m.

Habitat: reef and sand.

Known from a single male collected at Cocos Island.

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  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Sand & gravel
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
  • Reef and soft bottom
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Island (s) only
  • TEP oceanic island (s) endemic
  • Island (s)
  • Cocos Island endemic
  • TEP endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 5.8
Depth Range Min
  • 137
Depth Range Max
  • 146