Acanthurus tristis
Encyclopedia
Acanthurus tristis is a Tang from the Indian Ocean
. It occasionally makes its way into the aquarium trade. It grows to a size of 25 cm in length.
Indian Ocean
The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...
. It occasionally makes its way into the aquarium trade. It grows to a size of 25 cm in length.