how big is your tank? I just looked them up and found out that they can get to be 5.5 feet (1.7 m) long. That seems quite large for the average aquarium.
I found this link that has a little more information on these sharks.
Best of luck to you, although I think your shark may be better suited to the wild or large professional aquariums.
Marlin: Okay, a mollusk walks up to this sea cucumber, well he doesn't actually walk, he's just there, and he turns to the sea cucumber, and... Well, wait, there's a mollusk and a sea cucumber and...
Chum: You know for a clown fish, he's not that funny.