Common Name: Horn Shark

Species Name: Heterodontus francisci (Girard, 1854)


Range: Eastern Pacific Ocean: Central California to the Sea of Cortez


Size: Up to 47 in (1.2 m)


Natural Environment: Inhabit rocky reef and kelp forests in the intertidal zone to depths over 400 feet


General Husbandry: Has a temperature range of 55 - 70°F (13 - 21°C) and has a natural diet of benthic invertebrate and small fishes. Requires a meaty diet and fed twice a week. They need a large, well-filtered and well-oxygenated system with few environment obstructions. Can not be treated with heavy metal solutions such as copper. Fresh seafood, such as shrimp, fish flesh, crab, scallops and freshwater mollies are welcomed. Do not house with large triggerfishes, angelfishes, wrasses, and pufferfishes as they can pick on the shark and cause skin and/or eye damage


Aquarium Suitability: * * * * *


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* - Suited for the reef aquarium;
** - Better suited for the fish-only aquarium;
*** - Better left in nature;
**** - Needing an aquarium larger than 125 gallons; and,
***** - Needing their own private environment/special tankmates.