Fowleri Tang Care Guide

Acanthurus fowleri · Saltwater Tang

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

What Fowleri Tang look like

The Fowleri Tang, Acanthurus fowleri, exhibits a robust, oval body shape typical of the Acanthuridae family, reaching a maximum adult size of approximately 12 inches (30 cm). This species displays a striking coloration, characterized by a deep blue to bluish-gray body with a prominent yellow stripe running from the snout to the base of the tail. Sexual dimorphism is minimal, though males may exhibit slightly more vibrant coloration during breeding periods. A notable feature is the presence of sharp, retractable spines on either side of the tail, which serve as a defensive adaptation against predators. The dorsal fin is elongated and features a series of spines, while the anal fin is similarly structured, contributing to its streamlined swimming capabilities. The Fowleri Tang also possesses a distinct lateral line that aids in detecting movement and vibrations in the water column.

Behavior & temperament

Fowleri Tangs are generally social fish, often found in small groups or pairs within their natural habitat, exhibiting a clear social hierarchy. They are primarily mid-water swimmers, frequently seen foraging in the water column or near the reef substrate. Breeding behavior involves elaborate courtship displays, where males will chase females and engage in synchronized swimming. In terms of temperament, they can display territorial aggression, particularly during breeding seasons or when establishing dominance within a group. They are known to be relatively peaceful towards other species but may become aggressive towards conspecifics or similar-looking tangs.

Diet & feeding

In the wild, Fowleri Tangs are primarily herbivorous, grazing on a diet rich in algae and marine vegetation. In captivity, they require a varied diet that includes high-quality marine algae, spirulina, and prepared herbivore pellets to maintain optimal health.

Behind the name

The genus name 'Acanthurus' is derived from the Greek words 'akanthos', meaning thorn, and 'oura', meaning tail, referring to the sharp spines on the tail. The species name 'fowleri' honors the naturalist William Fowler, who contributed to the study of marine life.

Plan your tank

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

Keeping Fowleri Tang?

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