Aracana ornata, commonly known as the ornate cowfish or ornate boxfish, is a fascinating temperate water species prized for its unique box-like shape and intricate patterning. The female specimens offered here come in various sizes, making them suitable for a range of marine aquarium setups.
Care Level: Moderate to advanced. This species requires stable water parameters and a well-maintained environment.
Temperament: Generally peaceful but can be shy. It is best kept with non-aggressive tank mates to avoid stress.
Diet: Omnivorous. In captivity, provide a varied diet including high-quality marine pellets, frozen mysis shrimp, brine shrimp, and algae-based foods to ensure balanced nutrition.
Minimum Tank Size: A minimum of 150 litres (approximately 40 US gallons) is recommended to provide ample swimming space and stable water conditions.
Water Parameters: As a temperate water species, Aracana ornata prefers cooler temperatures ranging from 18°C to 22°C. Maintain stable salinity and excellent water quality with moderate water flow.
Compatibility: Suitable for peaceful community tanks with other temperate species. Avoid aggressive or fin-nipping fish.
Reef Safety: With Caution. While generally reef safe, they may nip at small invertebrates or sessile animals if hungry.
Placement: Provide plenty of hiding places with live rock and open swimming areas. This helps reduce stress and mimics their natural environment.
Origin: Temperate waters, primarily found in southern Australian coastal regions.
Maximum Size: Typically grows up to 15 cm (6 inches) in length.
Aracana ornata females are a captivating addition to temperate marine aquariums, offering unique visual appeal and interesting behaviour. Proper husbandry and tank conditions are essential for their health and longevity.


