Acanthurus leucosternon is a popular species among aquarists, primarily due to its attractive color patterns, and is a typical surgeonfish found in the Indian Ocean.
Details
§ 01
size
Max. 23 cm
color
Body blue with a black head and a white chin. Dorsal fin yellow with a black sub-marginal line. Caudal fin with two dark cross bands. Upper and lower edges of caudal fin white. Pectoral translucent yellow.
This species of shallow-water outer reef fish can be found at depths of up to 10 m, and sometimes they form large groups when they feed. These schools are so large that they can overpower the damselfishes that are trying to protect their patches of algae.
distinctive characters
This fish has a strongly compressed, oval-shaped body with a small mouth. It has nine spines and thirty rays on its dorsal fin, three spines and twenty-eight rays on its anal fin, two spines and fourteen rays on its pectoral fin, and one spine and five rays on its pelvic fin. Additionally, the first dorsal fin and anal spine are very short, and the caudal fin is emarginate.