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Species: Chromis bermudae, Bermuda Chromis

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bright blue
tail base and fins yellow

Chromis bermudae Nichols, 1920

Bermuda Chromis

Body compressed, 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 XIII, 11-12; anal fin II, 11; pectoral 18; 2-3 short projecting spines at upper and lower base of tail fin; caudal fin deeply forked, with rounded 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 15-18.

Adult: Head and body bright blue back to level of end of bases of dorsal and anal fins, yellow behind that; front of snout, before eye and chin blackish; dorsal fin with blue basal 1/3, rest of fin yellow; tail, anal and pelvic fins yellow; a black spot on pectoral base.

Reaches 8.5 cm.

Level bottoms of offshore reefs.

Depth range: 50-63 m.


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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom + water column
  • Near Bottom
  • Reef only
  • Rocks
  • Water column
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Planktivore
  • Data
  • Zooplankton
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Bermuda endemic
  • GC endemic
  • Island (s)
  • Island (s) only
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 8.5
Depth Range Min
  • 50
Depth Range Max
  • 63