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Shaw's Cowfish (Aracana aurita)

Find Shaw's Cowfish across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified fish listings before you buy.

Shaw's Cowfish
Photo: Peter Southwood · CC BY-SA 3.0
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Where to buy Shaw's Cowfish

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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    Search Petco

About Shaw's Cowfish

Shaw's Cowfish is a tan to yellowish-brown boxfish with a distinctive cubic body shape and two prominent horn-like projections extending forward from the head. The body is relatively smooth with subtle patterning and a small mouth adapted for picking at small prey.

Key facts

Aka
Shaw's Cowfish, Aurita Cowfish
Feeding Schedule
1-2 times daily
Max Size
7
Care Requirements
• Minimum 55 gallon tank; adults reach 18-24" • Stable pH 8.1-8.3, SG 1.020-1.025, temp 72-78°F • Needs plenty of open swimming space, calm tankmates • Poor compatibility with small fish and crustaceans (predatory) • Sensitive to poor water quality; requires excellent filtration
Notes
Cold-water species often sold in the hobby. Requires colder water temperatures (60-72°F) than typical tropical reef tanks. Not suitable for warm water reef tanks.
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Diet
omnivore
Difficulty Level
Moderate - Cold-water species often sold in the hobby. Requires colder water temperatures. Best suited for intermediate aquarists with appropriate setup.
Min tank size
55 gallons
Family
Ostraciidae
Care Level
Expert
Diet Details
Feed a varied diet of high-quality meaty foods, small crustaceans, and quality flaked or pellet foods. Offer small frequent meals (1-2 times daily) rather than large ones. This species grazes on small benthic organisms and will benefit from live rock for natural foraging.

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

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