Yellowfin Tang

Overview

The Yellowfin Tang is a large, robust surgeonfish with a grey-brown body and yellow-tinted pectoral fins, growing to one of the largest sizes among commonly kept Acanthurus species. It's an impressive, hardy tang for keepers with a genuinely large system, though its adult size means it's not suited to anything but a spacious, dedicated tank.

Juveniles are sometimes sold small without full consideration of their eventual size, so buyers should plan for the large adult tank requirements from the outset rather than needing to upgrade later.

Given adequate room, strong water flow, and a good diet, this is a reliable, long-lived tang well suited to a large reef or fish-only system.

Compatibility

Yellowfin Tangs can be territorial toward other tangs, particularly similarly shaped Acanthurus species, so care with stocking order and tank size matters if keeping multiple tangs. They generally coexist well with unrelated community fish.

This species is fully reef safe and won't bother corals, clams, or invertebrates.

Health & quarantine

A minimum four-week quarantine is recommended given general Acanthurus susceptibility to marine ich, with attention to appetite and breathing in the first two weeks. Strong water flow, excellent water quality, and a varied algae-rich diet support long-term health given this species' large size and appetite.