Bonnethead Bonnethead The bonnethead shark or shovelhead ("Sphyrna tiburo") is a small member of the hammerhead shark genus "Sphyrna", and part of the family Sphyrnidae. It is an abundant species on the American littoral, is the only shark species known to display sexual dimorphism in the morphology of the head, and is the only shark species known to be omnivorous. Characterized by a broad, smooth, spade-like head, it has the smallest cephalofoil (hammerhead) of all "Sphyrna" species. The body is grey-brown above and lighter on the underside. Typically, bonnethead sharks are about long, with a maximum size of about . Females
Revenge of the Creature dismissive of the production. Although "Revenge of the Creature" has been broadcast on television in red-and-blue-glasses anaglyph form (e.g., in 1982 in the San Francisco Bay area), it was originally shown in theaters by the polarized light method and viewed through glasses with gray polarizing filters. A "flat" version without 3D was also released. In 1997, "Revenge of the Creature" was mocked on the comedy television series "Mystery Science Theater 3000", marking its first episode on the Sci-Fi Channel. Universal released "Revenge of the Creature" on DVD in a boxed set, along with "Creature from the Black Lagoon" and "The