Hammerhead: Shark Frenzy

Hammerhead Shark Frenzy, also known as Sharkman or simply Hammerhead, is a 2005 Syfy original movie, written by Kenneth M. Badish and Boaz Davidson, and directed by Michael Oblowitz. The film stars William Forsythe, Hunter Tylo, and Jeffrey Combs. The film premiered on Syfy on June 18, 2005.citation needed

Hammerhead begins killing the workers on the island and tracking down Dr. Kings guests until he is eventually recaptured by Dr. Kings remaining workers. Dr. Kings men also capture Amelia, who Dr. King hopes his son will remember and mate with to create a halfhumanhalfshark offspring, as he is convinced that part of Paul is still human. Dr. King forces Amelia to watch as one of the doctors, Whitney Feder Arthur Roberts, is fed to Hammerhead. Amelia is then injected with a drug to calm her as Dr. King watches in hopes that Hammerhead will mate with her. However, instead of mating with Amelia, Hammerhead bites off his fathers right arm. Tom Reed arrives at the laboratory and rescues Amelia. He forces liquid nitrogen down Hammerheads throat, causing him to explode. As Amelia and Tom escape, Dr. King attempts to shoot Amelia, but Tom shoots him to death. The building explodes as Amelia and Tom, the only two survivors, escape.The film was first released on DVD on October 11, 2005 by First Look Pictures. First Look Pictures rereleased the film on DVD again in 2009 as a part of adisk double feature along with Blue Demon, another horror film about a shark. ........

Source: Wikipedia