Chevron Tang (Ctenochaetus hawaiiensis) Care Guide

A unique tang that dramatically changes color as it matures — juveniles are bright orange-red with chevron markings, while adults become dark olive-brown.

Overview

Ctenochaetus hawaiiensis is a species in the family Acanthuridae. A unique tang that dramatically changes color as it matures — juveniles are bright orange-red with chevron markings, while adults become dark olive-brown. Highly prized as a juvenile for its striking appearance. Excellent algae grazer for reef tanks.

Taxonomy

Family: Acanthuridae
Genus: Ctenochaetus
Scientific name: Ctenochaetus hawaiiensis
Other names: Hawaiian Bristletooth
Origin: Pacific Ocean

Habitat

Native to the Hawaiian and Pitcairn Islands and to Bikar Atoll. Inhabits surge zones and exposed reefs at depths of 1-31 m. Juveniles display vivid orange to red colouration overlaid by bright blue chevron markings; adults gradually fade to a darker olive-brown.

Tank requirements

Minimum tank volume: 400 L
Temperature: 24-27 °C
pH: 8.1-8.4
GH: 8-12 °dGH
Water flow: strong
Adult size: 22-28 cm
Lifespan: 10-15 years
Difficulty: intermediate

Diet

Classified as herbivore. Recommended feeding frequency: 2x daily. In captivity, offer a varied diet appropriate to the species — quality prepared foods supplemented with frozen or live items of suitable size.

Compatibility

Temperament: semi-aggressive
Swimming level: middle
Compatible tank mates: Clownfish, Wrasses, Angelfish
Avoid with: Other Bristletooth Tangs, Similar Tangs

Reef compatibility

Generally classified as reef-safe: does not feed on stony or soft corals, tridacnid clams or ornamental shrimps under normal conditions.

Breeding

Breeding strategy: egg-scatterer
Breeding difficulty: advanced