Saltwater aquarium sharks need plenty of space to swim around. There are varieties of sharks that are capable to live in captivity however; you need to distinguish the right species of shark that will thrive in your saltwater aquarium. You can visit pet store, see for yourself the varieties of saltwater aquarium sharks, and select the best one.
Moreover, before you bring home your chosen aquarium shark, ask from the storeowner about the necessary requirements of such species to live in captivity. Observe if the shark is active and do not manifest any sign of disease. Otherwise, it could affect the other saltwater fish in your tank. Examine the tank in the pet store if it is clean and well maintained.
A good species of saltwater aquarium sharks is the sand shark. It is the most timid among its cousins and not aggressive. It is a lot smaller than the other sharks in the ocean and moves very slowly. The sand shark is ideal to be kept in an aquarium because it can live for about three years yet grows to a length of five feet. Sand shark is a cruising fish just like any shark. It must keep moving in the tank in order to breathe.
Sharks by nature do not have the mechanism of absorbing oxygen because they cannot gulp water and force it out over the gills. That is why it needs to have plenty of space in your aquarium for it to swim around. Likewise, catfish shark can go along with sand shark in a tank though a catfish shark requires a mixture of freshwater and saltwater. This kind of shark does not grow more than a foot but is a predator of other inmate in the tank that fits in its mouth.
Keep in mind that these species of saltwater aquarium sharks are included in the endangered species that is why you must be responsible enough to give them the proper caring. If you do not know how to care for them, much better if you turned them over to a state owned aquariums or zoo. Just like other aquarium fish, saltwater aquarium sharks also need the necessary equipment such as heaters, filters, aerators and feeders. Saltwater aquarium sharks should be placed in a location that has soft lighting because they are accustomed in dark environments.