Longhorn Cowfish 3" WYSIWYG EXPERT ONLY
Longhorn Cowfish 3" WYSIWYG EXPERT ONLY
(Lactoria cornuta)
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Care Level: Expert Only
Color: Yellow and White
Diet: Omnivore
dKH: 8 - 12
Family: Ostraciidae
Maximum Size: 20
Minimum Tank Size: 250 Gallons
pH: 8.1 - 8.4
Reef Compatible: With Caution
Specific Gravity: 1.020-1.025
Temperament: Peaceful
Temperature: 72 - 78° F
Venomous: Poisonous When Stressed or Dies
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Overview
The Longhorn Cowfish inhabit the reefs of the Indo-Pacific, usually in the less turbid waters. The body is tan to yellow and covered with white and blue dots, and is occasionally referred to as the Yellow Boxfish; however, the Longhorn is not to be confused with Ostracion cubicus, commonly called the Yellow or Polka Dot Boxfish. In the wild, it is not uncommon to see a 20" specimen, while in the aquarium the Longhorn Cowfish tends to be dramatically smaller - 16" or less.
When possible, the Longhorn Cowfish should be the first fish introduced in the tank. It is intolerant of other Longhorns, so keep it in a large tank, with some live rock for algae scraping. Use caution if placing the Cowfish Longhorn in a reef tank as it may nibble on tubeworms. When housed correctly, the Cowfish Longhorn is long-lived.
Similar to other boxfish, the Cowfish Longhorn's skin is poisonous and, when threatened, it will release a toxin lethal to other tank members, including other Longhorns.
Since they are omnivores, the Longhorn Cowfish should be offered a variety of meaty and vegetable foods. They are slow eaters, and should not be housed with aggressive eaters.
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