Bonnethead animals on which it feeds, the bonnethead shark has small, sharp teeth in the front of the mouth (for grabbing soft prey) and flat, broad molars in the back (for crushing hard-shelled prey). Bonnetheads also ingest large amounts of seagrass, which has been found to make up around 62.1% of gut content mass. The species appear to be omnivorous, the only known case of plant feeding in sharks. A 2018 study with a carbon isotope-labelled seagrass diet found that they could digest seagrass with at least moderate efficiency, with 50±2% digestibility of seagrass organic matter, and had cellulose-component-degrading enzyme activity
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