A piscivorous animal is an animal that only eats fish. Piscivorous dinosaurs were often very large, and had a large thumb claw, useful for hooking fish out of the water. Their teeth were adapted to catch slippery fish because they were straight, unlike the curved teeth of normal carnivores.
Piscivore hunting methods
Examples of piscivores
Here are some piscivores you may have heard of: