Blue chromis

Chromis cyanea

Family : Pomacentridae

FishMarinedamselfish

Small bright blue fish from the Caribbean, forming schools. Highly valued in reef aquariums.

Blue chromis — photo 1 sur 4
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Popularity
Beginner marine fish
reef-compatible
Availability
Common in shops
Shop availability
IUCN Status
LC
Least Concern
Biotope
Caribbean
Récifs de l'Atlantique Ouest tropical.

Description

The blue chromis grows up to 12 cm. Its body is bright blue with a darker shade on the back. The fins are blue. It is a peaceful and active fish that swims in schools. It is less territorial than other damselfish. In aquariums, it is hardy and easy to keep. It reproduces by laying eggs on a substrate.

Habitat

Region :

The blue chromis inhabits Caribbean coral reefs, often in schools above corals. It prefers clear, shallow waters of lagoons and reef slopes. It feeds on zooplankton.

Distribution :

Recommended parameters

Temperature2428 °C
pH8.18.4
GH812 °dGH
KH812 °dKH
Salinity1.021.025
NO₃
≤ 20 mg/L
PO₄
≤ 0.1 mg/L
Calcium
≥ 400 ppm
Magnesium
≥ 1200 ppm

Care

Difficulty
1/5
Diet
Omnivore
Min. tank
200 L
Min. group
5
Adult size
12 cm
Lifespan
5 years
Temperament
Peaceful
Propagation

Care notes

Temperature 24-28°C, pH 8.1-8.4, salinity 1.020-1.025. Minimum tank size 200 liters for a school. Omnivorous: plankton, brine shrimp, mysis. Compatible with all peaceful fish. Keep in groups of at least 5. Avoid aggressive fish. Captive breeding possible.

Similar species

Espèces proches, même habitat ou même maintenance

References