SizeMaximum length of 6 inches (15 cm)
DietSmall crustaceans and zooplankton
RangeWestern Atlantic from Bermuda through south Florida and the Caribbean
HabitatTropical waters above deep outer reefs
- Maximum length of the blue chromis is approximately 6 inches (15 cm).
- Predominantly blue, with dark black stripe running from mouth to the dorsal fin all the way to the caudal, or tail, fin. Virtually translucent pectoral fins. Large dark eye.
Individual chromis feed on prey gathered in large groups.
- Diet consists of copepods, which are very small crustaceans, and other zooplankton.
- Individual chromis feed on prey gathered in large groups.
- Occurs in the Western Atlantic from Bermuda through south Florida and the Caribbean, including the Bahamas, the Gulf of Mexico and the Antilles.
- Found in tropical waters above deep outer reefs, commonly at depths of 30-60 feet (10-20 m). Depth range is approximately 9 to 180 feet (3-60 m).
- Oviparous, or egg-laying.
- Male protects and tends to eggs, which attach to substrate.
- “Least Concern” on IUCN Red List.
- If frightened, chromis will retreat into coral crevices.
- Frequently seen with creole wrasse.