2-Headed Shark Attack

Also known as Угроза из глубины, Ataque do Tubarão Mutante, Útok dvojhlavého zraloka, El ataque del tiburón de dos cabezas, L'attaque du requin à deux têtes

“1 Body, 2 Heads and 6,000 Teeth”

A Semester at Sea ship is attacked and sunk by a mutated two-headed shark, and the survivors seek refuge on a deserted atoll. The coeds, however, are no longer safe when the atoll starts flooding.