Azurina cyanea, (Poey, 1860)
Azurina cyanea (blue chromis) is a damselfish in the subfamily Pomacentrinae, found in Bermuda, southern Florida and the Caribbean Sea.
Being a shallow water fish, the blue chromis is commonly found at depths of 3 to 5 m, but it can reach depths of 25 m.
It has also been recorded at a depth of 60 m.
It lives on the surface of reefs, but often swims in the water columns above the reefs to feed on plankton.
It's a rather solitary species, seen alone or in small groups, and tends to stay close to the reefs.
The younger fish stay near the bottom in order to avoid predators.
The males maintain a solitary breeding territory. After breeding with multiple females, they guard the eggs until the planktonic larvae hatch.
Besides the intense aquarium trade, the rapid expansion of lionfish in the Caribbean and the Atlantic coast, is the greatest threat to the blue chromis, as well as several other tropical fish native to the Caribbean.
Furthermore, the loss of live corals could have a definite impact on the species, though this has yet to be investigated more closely.
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