Abudefduf saxatilis
| Sergeant major | |
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| Sergeant fish near Paraty, Brazil | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Pomacentridae |
| Genus: | Abudefduf |
| Species: | A. saxatilis |
| Binomial name | |
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Abudefduf saxatilis (Linnaeus, 1758) |
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The sergeant major or píntano (Abudefduf saxatilis) is a species of damselfish. It grows to a maximum length of about 22.9 centimetres (9.0 in).
Abudefduf saxatilis is found in the Atlantic Ocean. Populations in the western part of the Atlantic Ocean are found from the north eastern coast of the United States south to the Gulf of Mexico, the Bahamas, islands around the Caribbean Sea, the eastern coast of Central and South America all the way to Uruguay. In the eastern Atlantic Ocean, they are found from Portugal, Azores, the Canary Islands, Cape Verde, and western Africa. Juveniles are common in tide pools while adults are found over coral reefs. Sergeant majors are found at depths of 0 to 40 metres (0 to 131 ft). They inhabit tropical and subtropical locations.
Adults can grow up to 22.9 centimetres (9.0 in) at maximum length. Normally, they would grow up to 15 centimetres (5.9 in). The largest recorded specimen weighed had a weight of up to 200 grams (7.1 oz).Abudefduf saxatilis has 13 dorsal spines, 12 to 13 dorsal soft rays, 2 anal spines, and 10 to 12 anal soft rays. This fish is white with a yellow top. It has 5 vertical stripes which are black. A faint sixth stripe might be present on the caudal peduncle. Adult males have a more bluish coloration and its stripes are less visible. There is a dark spot around its pectoral fin.
This fish feed upon the larvae of invertebrates, zooplankton, smaller fish, crustaceans, and various species of algae. It is also known to feed on the waste and vomit of spinner dolphins.
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Wikipedia