Sargeant Major Fish

The Sargeant Major Fish (Abudefduf saxatilis) is a marine (saltwater) fish in the Pomacentridae family of damselfish. 

The Sargeant Major Fish is white with yellow on the top of its back. It has five black vertical stripes on its body. A faint sixth stripe is often seen on its tail.  

Sargeant Major Fish

It grows to about 30 centimetres (9 inches) in length.

It is native to the waters of the Atlantic Oean, from America to South America, and to western Africa. It prefers coral reefs. 

The Sargeant Major Fish feeds on larvae of aquatic insects, as well as small fish, crabs, and algae. 

It forms large schools of several hundreds of individuals. 

The Sargeant Major Fish is oviparous. The male makes a nest on rocks or amongst objects on the bottom of the ocean, and the female lays about 200,000 eggs in the nest. The male guards the eggs. When he guards the nest, his body turns blue. 

Sargeant Major Fish

[Location of photographs: Aquarium de Paris-Cinéaqua]

Photographer: Martina Nicolls


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