Shorefishes of the Greater Caribbean online information system

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Species: Chromis cyanea, Blue chromis

All Families:   All Genera:   All Species:

dark electric blue
C: top & bottom margins black

Chromis cyanea (Poey, 1860)

Blue chromis

Body compressed, an elongate oval; 1 pair of nostrils; edge of bone under eye smooth, no notch, hidden by scales; preopercle smooth or with occasional fine serrations; mouth small, protrusible, opens at front; teeth in 2 rows, outer conical, larger; a single continuous dorsal fin XII, 12; anal fin II, 12; pectoral 16-18; 2-3 short projecting spines at upper and lower base of tail fin; caudal fin deeply forked, with sharp tips; scales large and rough; body scaled, most of head scaled, basal parts of the median fins scaled; lateral line incomplete, ends under end of dorsal fin base; lateral line scales 16-18.

Head, body and median fins deep electric blue; black lines along upper back and upper and lower margins of tail fin.

Reaches 15 cm.

Reefs, especially over large coral heads.

Depth range: 3-87 m.

North Carolina to the southern Caribbean.

    


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Near Bottom
  • Bottom + water column
  • Bottom
Habitat
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef only
  • Flotsam
  • Rocks
  • Water column
  • Corals
FishBase Habitat
  • Reef Associated
Feeding Group
  • Planktivore
  • Data
Diet
  • Pelagic jellyfish/ctenophores
  • Data
  • Zooplankton
  • Pelagic fish eggs
Egg Type
  • Data
  • Benthic
  • Pelagic larva
Global Endemism
  • All species.
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Island (s)
  • All species..
  • Continent
  • GC endemic
  • Continent + Island (s)
Residency
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 15
Depth Range Min
  • 3
Depth Range Max
  • 87