 <unk> with tawny nurse sharks underwater indicate a more docile demeanor than the similar nurse shark ; usually divers are able to approach the sharks closely and even touch and play with them without incident . However , this species has been infrequently provoked into biting , and merits respect due to its strength , small but sharp teeth , and extremely powerful jaws . Tawny nurse sharks are favored attractions for <unk> divers off Thailand , the Solomon Islands , and elsewhere . This species also <unk> well to captivity and is displayed in public <unk> in Europe , the United States , Okinawa , and Singapore , where they may become tame enough to be hand @-@ fed . 
