sawshark belonging to the pristiophoridae family displays its distinctive elongated body and saw like snout while set

sawshark pristiophoridae fish marine life aquatic animals fins ocean shark body structure biodiversity anatomy animal adaptations elasmobranchii predatory ecosystems species predator underwater morphology oceanic coastal waters habitats behavior water wildlife nature biology conservation identification fauna research ichthyology fisheries oceanography environment classification sea creatures studies habitat environments health populations ecological roles ai generated