Shorefishes of the Greater Caribbean online information system

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Species: Chromis enchrysurus, Yellowtail Reeffish, Yellowtail Chromis

All Families:   All Genera:   All Species:

dark gray-brown above white below
blue line snout to below D
soft D & A and C yellow

Chromis enchrysurus Jordan & Gilbert, 1882

Yellowtail Reeffish, Yellowtail Chromis

Body compressed, a deep 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, 11-13; anal fin II, 11-13; pectoral 17-19; 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 15-19.

Adult: Upper ½ of head and body and spinous dorsal fin dark grey-brown, lower parts and tail base white, an abrupt separation between those two color zones; an electric, purplish-blue stripe from top lip, through upper edge of eye to under front 1/3 of dorsal fin; soft dorsal, tail fin, and outer ¾ of anal fin yellow. Juvenile with upper ¾ of head and body dark bluish grey, grading to white below; blue lines more strongly marked, fin colors similar, plus pelvics yellow.

Reaches 10 cm.

Outer edges of reefs.

Depth range: 5-97 m.

Cape Hatteras to the Gulf of Mexico.

Note: closely related to but genetically distinct from C. cf enchrysurus, which has a different color pattern and a different geographic range.

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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
  • Continent
  • Continent only
  • GC endemic
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 10
Depth Range Min
  • 5
Depth Range Max
  • 97