Damselfishes
Blue Chromis
Azurina cyanea
Species Overview
Fusiform body, oval in cross-section; bright blue with a black stripe, black margins on the spiny dorsal fin, the tail-fin lobes and the front of the anal fin; 12 dorsal spines, 12 dorsal soft rays, 2 anal spines, 12 anal soft rays.
- Size
- Typical adult 7-10 cm (3-4 in) per ReefGuide; maximum recorded 15.0 cm TL (5.9 in) per FishBase.
- Habitat
- Reef-associated; common in the water column above deep outer reefs, retreating into coral crevices when frightened.
- Diet
- Small zooplankton, mainly copepods, picked from the water column (FishBase).
- Range
- Caribbean, Bahamas, Florida and Gulf of America (ReefGuide); western Atlantic incl. Bermuda, southern Florida, Bahamas, Gulf of Mexico, Antilles and Caribbean Sea (FishBase).
Ecological role
Planktivore that feeds in midwater aggregations above outer reefs (FishBase).
Explore reef conservation
Learn about Caribbean reef habitats, invasive lionfish and the work of the Caribbean Reef Fish Foundation.
TL means total length; SL excludes the tail fin; FL measures to the tail fork. These measurements are not interchangeable.