A piscivore /ˈpɪsɨvɔər/ is a carnivorous animal which eats primarily fish. Piscivory was the diet of early tetrapods (amphibians); insectivory came next, then in time reptiles added herbivory.[1]

Some animals, like the sea lion, or alligator, are not completely piscivorous, often preying on aquatic invertebrates or land animals in addition to fish, while others, like the bulldog bat, and gharial, are strictly dependent on fish for food. Humans can live on fish-based diets as can their carnivorous domesticated pets, such as dogs and cats. The name "piscivore" is derived from the Latin word for fish, "piscis". Some creatures, including cnidarians, octopuses, squid, spiders, sharks, cetaceans, grizzly bears, jaguars, wolves, snakes, turtles, and sea gulls may have fish as significant if not dominant portions of their diets.

Piscivorous is equivalent to the Greek-derived word, ichthyophagous.

Examples of extant piscivores

Mesozoic Piscivores

In the mesozoic era dinosaurs like Baryonyx and Spinosaurus are known to have been Piscivores. Fish was the primary food source for these semi-aquatic reptiles. All spinosaurs were carnivorous but spinosaurus used a distinct predatory attack pattern to get fish, this shows that spinosaurus would have spent a lot of time in the water hunting.


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