Acanthurus chirurgus

Doctorfish, a reference photo
Photo: Brian Gratwicke · CC BY 2.0 (licence)

The doctorfish tang (Acanthurus chirurgus), also known as the doctorfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. These fishes are found in the western Atlantic Ocean.

From Wikipedia, under CC BY-SA 4.0.

Is it venomous or poisonous?

We have no record of Doctorfish being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Animalia
Phylum
Chordata
Class
Actinopterygii
Order
Acanthuriformes
Family
Acanthuridae
Species
Acanthurus chirurgus

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Doctorfish (Acanthurus chirurgus) · B.inomen