Helmet Cowfish EXPERT ONLY
Helmet Cowfish EXPERT ONLY
(Tetrasomus gibbosus)
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Care Level: Expert Only
Color: Tan, Blue and Black
Diet: Omnivore
dKH: 8 - 12
Family: Ostraciidae
Maximum Size: 12"
Minimum Tank Size: 180 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 Helmet Cowfish should have a minimum of a 180 gallon tank. Use caution if placing it in a reef tank as it will often nibble at tubeworms. When stressed, the Helmet Cowfish releases a poisonous substance, called ostracitoxin, from its mucous glands which will kill other fish in the tank very quickly.
Very little success has been achieved in breeding this fish in the aquarium setting.
When introduced into a tank, the Helmet Cowfish can be fed a diet of live brine shrimp or bloodworms. After acclimatization, chopped squid, clams, mussels, and herbivore preparations can be fed. This fish has the peculiar habit of coming to the surface and spitting when it is hungry.
Approximate Purchase Size: Small: 1" to 2"; Medium: 2" to 3; Large: 3" to 4"