It is a huge dinosaur and probably the longest of all theropods. It's hard to escape him... Like other large carnivores, Spinosaurus is the terror of the fauna. It is one of the only dinosaurs possibly confirmed semi aquatic. Spines 2 meters long sprang from the spine of Spinosaurus, which made it a height of 4 meters. This crocodilian head and tiny teeth resemble those of Baryonyx, and he also hunt (even underwater) and ate freshwater fish.