The buzzsaw-jawed chimaera (Helicoprion modernus), also known as the buzzsaw-jawed ratfish and often inaccurately called the buzzsaw-jawed shark, is a species of shark-like eugeneodontid holocephalid fish that originally lived in the Permian seas as an extinct species of Helicoprion and was once extinct, but has since been brought back from extinction by SciiFii and introduced to the modern oceans throughout the world by some of SciiFii's scientists to help boost biodiversity. It is named for its jaw, which contains a tooth whorl, unlike anything else known in the animal kingdom, that is used to cut small-to-medium-sized fish and cephalopods in half before devouring them. The buzzsaw-jawed chimaera is one of the largest chimaeras that has ever existed, usually growing to be about 10 meters (33 ft) in length, although specimens (7 confirmed and 19 unconfirmed) growing to be 12 meters (39 ft) in length have been seen. The conservation status of the buzzsaw-jawed chimaera is Least Concern due to successful conservation efforts, the buzzsaw-jawed chimaera's wide range, and its tolerance to most of human activities. Despite its appearance and its jaw design, it does not use its jaw to prey on any land animal, including humans, and the buzzsaw-jawed chimaera is completely docile and tame towards humans and domestic animals, likely due to SciiFii's genetic engineering, so people seem to tolerate the buzzsaw-jawed chimaera's presence in public beaches.
Community content is available under CC-BY-SA unless otherwise noted.