The small male they had in captivity I think it was the fourth shark that the aquarium held.
http://www.montereybayaquarium.org/cr/cr_whiteshark/whiteshark_ours.aspx
Lamniformes is an order of sharks, also known as mackerel sharks (which may also be used to refer to the sub-group of Lamniformes, Lamnidae). It includes some of the most familiar species of sharks, such as the great white shark, and some extremely rare types, such as the megamouth shark.