Palelipped surgeonfish

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Acanthurus leucocheilus, also known as the Palelipped surgeonfish or the white-spine surgeonfish is a species of tropical fish It is used commercially in aquariums. Is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes or tangs. This fish is found in the Indo-Pacific region. Acanthurus leucocheilus was first formally described in 1927 by the American ichthyologist Albert William Herre with its type localitiesì given as Bantayan, Cebu and Agutaya in the Philippines. The genus Acanthurus is one of two genera in the tribe Acanthurini which is one of three tribes in the subfamily Acanthurinae which is one of two subfamilies in the family Acanthuridae. pesce chirurgo labbra chiare

Palelipped surgeonfish - Pesce chirurgo labbra chiare - Acanthurus leucocheilus - www.intotheblue.it

Palelipped surgeonfish – Pesce chirurgo labbra chiare – Acanthurus leucocheilus – www.intotheblue.it

Acanthurus leucocheilus has the specific name leucocheilus, this combines the Greek words leukos, meaning “white”, and cheilos, meaning “lip”, this refers to the red lips surrounded by a band of bright white colour with a black band posterior to it. Acanthurus leucocheilus has its dorsal fin supported by 9 spines and 24 or 25 soft rays while the anal finis supported by 3 spines and 23 soft rays. The overall colour of this fish is brown or blackish with light coloured lips and a white band across the throat. The spine on the caudal peduncle is white which also has a white bar around it. The pectoral fin has a white bar in its distal part. When feeding the fish may be paler than at other times. Juveniles are brown and have a yellow tail. This species has a maximum published standard lenght of 45 cm.

Palelipped surgeonfish - Pesce chirurgo labbra chiare - Acanthurus leucocheilus - www.intotheblue.it

Palelipped surgeonfish – Pesce chirurgo labbra chiare – Acanthurus leucocheilus – www.intotheblue.it

Acanthurus leucocheilus is found in the Indo-Pacific. It occurs on the coast eastern Africa between Djibouti and northern Mozambique, the Seychelles, Maldives, Sri Lanka, Andaman islands, Nicobar islands east to Tuvalu and the Line islands, including Christmas island in Australia. This species grazes on sand and detritus in small groups of up to 30 individuals at depths between 5 and 30 m, at least, on outer reefs.

(extract from Wikipedia)

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Questo articolo è stato scritto il / This article was written on 24/05/2024
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