Bonnethead fish control pitching (up-and-down motion of the body), yawing (the side-to-side motion), and rolling. Most hammerhead sharks do not yaw or roll and achieve pitch using their cephalofoils. The smaller cephalofoil of a bonnethead shark is not as successful, so they have to rely on the combination of cephalofoils and their large pectoral fins for most of their motility. Compared to other hammerheads, bonnethead sharks have larger and more developed pectoral fins and are the only species of hammerhead to actively use pectoral fins for swimming. Using data from mtDNA analysis, scientist have found that evolution of hammerhead sharks probably
Perfect Creature Cannes in 2005 it was announced that 20th Century Fox had purchased the North American theatrical rights, plus other key territories in what was the largest deal between a major American studio and a New Zealand film. "Perfect Creature" is the sixth most expensive New Zealand film ever made after "The Lord of the Rings" films, "The Frighteners" and "The World's Fastest Indian" respectively. The film was shot primarily around Dunedin and Oamaru in New Zealand's South Island. Perfect Creature Perfect Creature is a New Zealand made horror/thriller film from 2007, written and directed by Glenn Standring and starring Saffron