Bariene surgeonfish - blackspot surgeonfish - Acanthurus bariene

Acanthurus bariene is a tropical fish also commonly known as the bariene surgeonfishblackspot surgeonfish, or eyespot surgeonfish. It was first named by René Primavère Lesson in 1831. This species is widespread in the tropical Indo-Pacific from Mozambique and the Maldives in the west to the Solomon Islands in the east and reaching north to the Ryūkyū and south to the Australian Great Barrier Reef. Bariene surgeonfish blackspot surgeonfish intotheblue.it

The habitat of this fish is the coral reefs where it lives on the outer side in depth. The juveniles live in shallow waters and in areas protected from the waves, finding refuge among the soft corals. It can be found between 6 and 50 meters of depth, rarely above 15 meters and usually below 30. pesce chirurgo macchia nera bariene surgeonfish blackspot surgeonfish intotheblue.it

Bariene surgeonfish Pesce chirurgo macchia nera Acanthurus bariene Black-spot surgeonfish www.intotheblue.it
Bariene surgeonfish Pesce chirurgo macchia nera Acanthurus bariene Black-spot surgeonfish www.intotheblue.it

This species, like the other Acanthurus, has an oval, laterally compressed body. The mouth is small, placed on a protruding snout; on the caudal peduncle there is a very sharp mobile spine. The dorsal fin is single and rath er long, of uniform height. The anal fin is similar but shorter. The caudal fin is lunate. The flakes are very small.

The adults, especially the males, have an evident frontal hump that reaches up to the mouth. The livery of the adult is characteristic, the bottom is brown, the eye is surrounded by a yellow spot and behind the eye, above the beginning of the gill opening, there is a round blue or blackish spot. The base of the dorsal and anal fins is bordered by a blue line. The dorsal fin is yellow and also has a blue margin on the upper part. The caudal peduncle is often white, the sting that is present is edged in dark. Two more or less distinct yellowish spots are present on the throat and behind the operculum.

Bariene surgeonfish Pesce chirurgo macchia nera Acanthurus bariene Black-spot surgeonfish www.intotheblue.it
Bariene surgeonfish Pesce chirurgo macchia nera Acanthurus bariene Black-spot surgeonfish www.intotheblue.it

The maximum size is shown is 50 cm. It is met alone or in pairs. It is a confident species, easy to approach by divers. It feeds on the algal biofilm that covers rocks or sand. It is fished for consumption, especially in Thailand and the Philippines. It is found on the aquarium fish market where it has very high prices. It is subject to fairly intense fishing in part of the distribution range, including illegal fishing, and there are fears that it may be subject to overfishing. The IUCN Red List classifies Acanthurus bariene as “least concern”.

(extract from Wikipedia)

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