Cowfish & Boxfish

About

Curious and Colorful Marine Characters Cowfish and Boxfish are among the ocean’s most fascinating saltwater aquarium species, easily recognized by their box-shaped bodies and charming, curious personalities. Their slow swimming style and bright coloration make them standout additions to large, peaceful marine aquariums. Read more… At AquariumFish.com , we offer a variety of Cowfish and Boxfish for sale , including popular species such as the Longhorn Cowfish , Yellow Boxfish , and Spotted Boxfish . Known for their intelligent, interactive behavior, these fish often learn to recognize their keepers and can be seen exploring every corner of their aquarium. Despite their playful appearance, Cowfish and Boxfish require special care. They produce a mild toxin (ostracitoxin) when severely stressed, so they are best housed in large, calm aquariums with peaceful tankmates. With proper tank size, good water quality, and a stress-free environment, these fish thrive and live long, healthy lives. Why Choose Cowfish and Boxfish? Unusual body shape and vibrant patterns that attract attention Curious, intelligent behavior — great for interactive aquariums Peaceful temperament when housed with non-aggressive species Great centerpiece fish for large marine tanks Care Tips for Cowfish and Boxfish Provide a tank of 100 gallons or more with plenty of swimming space Maintain stable water parameters and excellent filtration Feed a varied diet including marine pellets, frozen mysis, and algae-based foods Avoid aggressive or nipping tankmates such as Triggers or Puffers Minimize stress — avoid sudden movements or chasing during feeding and cleaning Popular Species We Offer Longhorn Cowfish (Lactoria cornuta) – iconic yellow body with long horns and a gentle nature Yellow Boxfish (Ostracion cubicus) – bright yellow with black spots; one of the most recognizable marine fish Spotted Boxfish (Ostracion meleagris) – black body with white spots and unique male/female coloration Blue Boxfish (Ost