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Paracanthurus & Zebrasoma

Tang fish, also known as surgeonfish, are a group of tropical and subtropical marine fish that belong to the Acanthuridae family. They are known for their bright colors, distinctive body shapes, and sharp, scalpel-like spines on their tails.

Yellow Tang Graphic
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Royal (Regal) Blue Tang Clickable
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Yellow Tang Clickable
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In terms of size and biology, tang fish are generally small to medium-sized, with most species reaching only about 30 cm in length. They have elongated, oval-shaped bodies and vibrant colors, often with horizontal stripes or other patterns. Their sharp, scalpel-like spines on their tails are used for defense against predators.

Tang fish are found in a variety of tropical and subtropical marine environments, including coral reefs, lagoons, and coastal waters. They can be found in locations such as the Indian Ocean, the Pacific Ocean, and the Caribbean Sea.

The diet of tang fish consists primarily of algae, but some species may also feed on small invertebrates such as crustaceans and mollusks. They have small, sharp teeth that are well-suited for grazing on algae.


In terms of behavior, tang fish are generally peaceful and social, forming schools with other members of their species. They are slow-moving fish that use their sharp spines and vibrant colors for defense against predators.


The Acanthuridae family includes over 100 species of tang fish, The Acanthurinae subfamily includes species such as the blue tang and the yellow tang. Tang fish are closely related to other families of marine fish, such as the Chaetodontidae(Butterfly Fish) family.