Chevron Tang Care Guide

Ctenochaetus hawaiiensis · Saltwater Tang

Chevron Tang
AI-generated illustration of Chevron Tang
Adult size
~11.8″ (30 cm)
Suggested tank
125+ gal
Placement
Upper to Mid
Flow
Medium

What Chevron Tang look like

The Chevron Tang, scientifically known as Ctenochaetus hawaiiensis, exhibits a robust and laterally compressed body, reaching a maximum adult size of approximately 12 inches (30 cm). This species is characterized by its distinctive chevron-shaped pattern of blue and yellow stripes that run diagonally across its body, providing effective camouflage among the coral reefs. The caudal fin is deeply forked, enhancing its agility in the water, while the presence of a small, sharp spine at the base of the tail serves as a defensive adaptation against predators. Sexual dimorphism is subtle, with males typically displaying slightly larger and more elongated dorsal fins compared to females. The species possesses specialized dentition, featuring a series of comb-like teeth that are adapted for scraping algae off of hard substrates, which is crucial for its herbivorous diet.

Behavior & temperament

Chevron Tangs are generally social fish that exhibit a hierarchical structure within their groups, often seen swimming in pairs or small schools. They prefer to inhabit the upper to mid-water levels of the reef, where they actively graze on algae. During breeding, males will display courtship behaviors, which include increased coloration and fin displays to attract females. Their temperament is generally peaceful, although they can exhibit territorial aggression towards conspecifics, especially in smaller aquaria. They are known to establish and defend a territory, particularly during breeding seasons.

Diet & feeding

In the wild, the Chevron Tang primarily feeds on a diet of benthic algae and detritus, making it an obligate herbivore. In captivity, it requires a varied diet that includes high-quality marine algae, spirulina, and herbivore-specific pellets to maintain optimal health.

Behind the name

The genus name 'Ctenochaetus' derives from the Greek words 'ktenos' meaning 'comb' and 'chaetos' meaning 'hair', referring to the comb-like teeth of the fish. The species name 'hawaiiensis' indicates its native habitat in Hawaii.

Plan your tank

Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.

Keeping Chevron Tang?

AquaLens identifies your fish and plants from a photo, tracks water chemistry, and flags health issues early — free on iOS and Android.

Get AquaLens Free