Bonnethead in their hindgut. The bonnethead shark is viviparous. Females reach sexual maturity at about 32 in, while males reach maturity around 24 in. Four to 12 pups are born in late summer and early fall, measuring . Bonnetheads have one of the shortest gestation periods among sharks, lasting only 4.5–5.0 months. A bonnethead female produced a pup by parthenogenesis. The birth took place at the Henry Doorly Zoo in Nebraska; DNA analysis showed a perfect match between mother and pup. The bonnethead is an abundant species and is currently classified as a least-concern species by the IUCN. It is heavily
Revenge of the Creature Revenge of the Creature Revenge of the Creature ( Return of the Creature and Return of the Creature from the Black Lagoon) is the first of two Universal-International sequels to "Creature from the Black Lagoon". It was the only 3D film released in 1955 and the only 3D sequel to a 3D film released during "the golden age of 3D". Produced by William Alland, directed by Jack Arnold, the film stars John Agar and Lori Nelson. It marked Clint Eastwood's film debut. "Revenge of the Creature" premiered in Denver on March 23, 1955 and a "flat", non-3D sequel, "The Creature