Home Aquarium Saltwater Sharks. They naturally feed on crustaceans, small fish and mollusks. Certain small saltwater sharks are suitable for home aquarium environments:
This shark breed is nocturnal and uses its fins to walk across the floor of your tank. Red tail shark and catsharks are the popular varieties. They naturally feed on crustaceans, small fish and mollusks.
Here are some examples of sharks that are fit to be kept in fish tanks.
Most sharks available for the home aquarium are found on or around coral reefs, rocky reefs, or lagoons. There are, however, smaller shark species within the range of adult shark sizes. You should also be able to find these as captive bred, so they will be more used to tank life and feeding. Most sharks available for the home aquarium are found on or around coral reefs, rocky reefs, or lagoons.