Cowfish / Boxfish

Overview

A cube-shaped armored fish with a rigid box of bony plates, with horn-like projections. Native to Tropical seas worldwide, it is a popular choice among aquarists for its distinctive appearance and behavior.

History & Origin

Cowfish / Boxfish originates from Tropical seas worldwide. It has been kept and selectively bred in the aquarium hobby for generations, producing many color forms and regional variants developed through captive breeding.

Appearance & Size

Cowfish / Boxfish is a medium fish, generally measuring about 10–30 cm when fully grown. Its body shape and species-specific coloration make it easy to recognize among Pufferfish.

Temperament

Cowfish / Boxfish shows a temperament typical of its group—largely peaceful but with individual or territorial quirks; match it with compatible tankmates and adequate cover.

Care & Husbandry

A marine species best suited to experienced saltwater aquarists, it requires a mature, well-established aquarium with stable salinity (around 1.023–1.025 specific gravity), strong filtration and pristine water quality. Feed a varied diet of high-quality prepared foods supplemented with live or frozen items, and quarantine new arrivals before adding them to the display.

Health & Lifespan

With good water quality and a balanced diet, Cowfish / Boxfish typically lives 5–10 years in captivity. Watch for common aquarium ailments such as parasites, fungal infections and stress-related disease, and maintain stable parameters to keep it thriving.

Popularity & Recognition

Pufferfish captivate keepers with their inflating defense, beak-like teeth and charismatic, often interactive personalities.