Chromis cyanea
Blue Chromis
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Perciformes (Perciformes, Also Called the Acanthopteri)
Pomacentridae (Damselfishes)
Chromis
Chromis cyanea (Blue Chromis)
Description
This species account was compiled from
McEachran & Fechhelm (McEachran, J.D. and J.D. Fechhelm. Fishes of the Gulf of Mexico. University of Texas Press, Austin.)
and processed using AI-assisted text extraction.
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Characters
2 or 3 procurrent spines projecting from upper and lower margins of caudal peduncle; bony tubercle absent from anterior end of maxilla; lachrymal bone above mouth is not notched; jaw teeth conical and arranged in two or three rows; preopercular margin entire; gill rakers on first arch long and slender, 7 or 8 on upper limb and 21 or 22 on lower limb; measurements (% SL): head length 29%–32%, snout length 7%–8%, eye diameter 9%–10%, upper jaw length 10%–12%, pectoral fin length 29%–32%, body depth 39%–44%; pectoral fin with 16 to 18 rays; dorsal fin with 12 spines and 12 rays; anal fin with 12 rays; caudal fin deeply forked with long filamentous tips; lateral line scales number 16 to 18
Color in life is dark blue dorsally, with broad black margin on spinous dorsal fin and along upper and lower margins of caudal fin; color in preservative is brown dorsally and tan ventrally
Distribution
western Atlantic from Florida and Bermuda to Venezuela, including the Gulf of Mexico, the Bahamas, and the Greater and Lesser Antilles
In the Gulf of Mexico it occurs off southern Florida and on the Flower Garden Banks
Habitat Associations
shallow water, associated with coral reefs
Biology
Food consists of zooplankton, such as copepods, pelagic eggs, siphonophores, and juvenile fishes; prey are captured by sight during daylight
Maximum known size is 250 mm TL
References
Böhlke and Chaplin 1968
Randall 1968a
Randall 1996
Emery 1973
Bright and Cashman 1974
Hoese and Moore 1977
Hoese and Moore 1998
Robins and Ray 1986
Allen 1991
Smith 1997
Smith-Vaniz et al. 1999
Carter 2002
Comments On Chromis cyanea