For the first time, razor sharp teeth of tyrannosaurs were found in the Bexhill-on-Sea region of coastal East Sussex, England. These teeth indicate that a bevy of carnivorous dinosaurs including ...

Read through our facts about piranhas and then take our piranha quiz to find out! Size - Typical piranhas are, on average, are around 13 to 25cm long, with 10 razor-sharp teeth, usually around 4mm ...