spinosaurus partially submerged in a river, snapping at fish with its powerful jaws in action

spinosaurus dinosaur river submerged jaws fish predator hunting prehistoric jurassic water aquatic reptile massive carnivore wildlife nature action mesozoic evolution extinct fauna environment survival scene habitat swamp wetlands large animal powerful teeth splashing motion bite fishing reptilian ancient riverbank waterlife iconic ecosystem fossils primal history wild jawsnap watercreature prehistory riverbed prehistoriclife powerfuljaws predatorbehavior fishingaction aquaticlife riverhunt naturalworld creature waterpredator biology submergeddinosaur swampy largepredator landwater aquaticpredator hunt beast spines dorsal texture earth