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Data Sheet: Acanthurus leucosternon “Powder Blue Tang”

Photo By Felice Panico

DATA SHEET

Scientific Name:  Acanthurus Leucosternon
Common Name: Powder blue tang or powderblue surgeonfish
Taxonomic Classification
Phylum: Chordata
Class: Actinopterygii
Subclass: Neopterygii 
Order: Perciformes
Family: Acanthuridae
Genus: Acanthurus 
Species: A. Leucosternon
Description: Acanthurus Leucosternon has a flattened and elongated ovoid body, a small mouth with chisel teeth that uses to rock algae from the rock surface, the dorsal fin and the spine extending over most of the body, the chest pins are wide and of trapezoidal shape, the caudal peduncle can be found in the characteristic shield that protects the very sharp erect plug used by all Acanturids as a defense weapon.
Coloring: It’s a fish with a beautiful livery. The body has a main color of an intense blue, the dorsal fin is yellow, its head is dark blue-navy tending to black and under the mouth it has a white color zone so that is called blue fish surgeon from the white gorge. The caudal peduncle has a turquoise strip like the anal fin, the caudal fin is clear on the white turquoise with a black vertical bar attached to the caudal peduncle, the ventral fins and the anal are clear, white or turquoise, the pectoral fins are semi-transparent with yellow shades, on the caudal fin, the typical Acanturids shield can be found in yellow.
Photo By Felice Panico

Behaviour: Very peaceful fish lives without problems with smaller fish than he, with Zebrasoma Flavescens, Paracanthurus hepatus and many species of the Naso type. The coexistence with Acanthurus japonicus, Acanthurus nigricans, Acanthurus glaucopareius and Acanthurus achilles is to be avoided.

Sexual Dimorphism: Not determined
Habitat: Its ideal habitat is the coral reef, usually it can be found along the cliffs and along slopes. In nature, it can be observed above all in algae where the Leucosterno and other species of Acanturidi breed rock by feeding.
Temperature: 24-28°C    pH: 8.0-8.5   
Water hardness: 7 – 10°dH   Density: 1.022-1.026
Tips for breeding: Acanthurus leucosternon is a very difficult species to breed in an aquarium, it is advisable to put it in a 600 liter tank with a stable system that works perfectly for at least two to three years. A. leucosternon is very susceptible to parasitism because of this it is a very delicate and desperate of attentions fish. As with other acanthurids, acclimatization is very difficult and takes a few days to settle down.
Feed: Nutrition is the most important aspect of this magnificent fish and its health, it is nourished abundantly and is mainly omnivorous. It likes very much vegetable food such as Spirulina, dried seaweed (eg Alga Nori) and so on. , but it also likes feed in flakes, granules, freeze-dried, frozen or alive.
Diffusion: Indo-Pacific Ocean are located from Africa to Indonesia, from Madagascar to the Maldives and Sri Lanka to the Great Australian Barrier Reef.
Swimming Level:
Great swimmer, any level of swimming is used from this fish.
Difficulty:
Difficult
Reproduction:
The Acanthurus Leucosternon form monogamous pairs, ie two individuals live in pairs and together take care of the offspring and the search for food.
Extinction risk: Not at risk.
Felice Panico
Acquariofilo dall'età di 10 anni con esperienza in acquariologia dolce,marina e salmastra, appassionato di immersioni subacquee e di microscopia.
http://www.vitadibarriera.it

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