Blue-green Chromis over Coral Reef, Chromis viridis, New Ireland, Papua New Guinea

A school of blue-green damselfish, Chromis viridis, hovers amid the tropical islands of Raja Ampat, Indonesia.

A Blue Chromis (Chromis cyanea) swims into the current to maintain station over a colorful reef in the Atlantic Ocean off the coast of Key Largo, Florida.

Adult blue-green chromis (Chromis virdis), on the reef off Kri Island, Raja Ampat, Indonesia, Southeast Asia

Adult blue-green chromis (Chromis virdis), on the reef off Kri Island, Raja Ampat, Indonesia, Southeast Asia

Blue-green chromis (Chromis viridis), Rongelap, Marshall Islands, Micronesia, Pacific

Blue-green chromis (Chromis viridis), Rongelap, Marshall Islands, Micronesia, Pacific

Blue Chromis (Chromis cyanea), blue fish with indistinct background, Bahamas, Caribbean

Acropora sp. hard coral and Blue-green chromis ( Chromis viridis ), Seychelles, Indian Ocean

Blue-green chromis, Chromis viridis, Rongelap, Marshall Islands, Micronesia

Portrait of a juvenile specimen of damselfish (Chromis chromis). Before taking the typical dark brown color of their adult form, these fishes have magnificent electric blue bands. The juvenile specimens are very small, a few centimeters, and they move with nervous and unpredictable movements without any moment of pause.

Blue green Damselfish (Chromis viridis), mayotte

Blue-green damselfish (Chromis viridis) in a coral colony bleached by the El Nino 2024 phenomenon. If bleaching lasts too long, the coral colony will die, taking with it the habitat of these magnificent little tropical fish. Mayotte