If you need some proof of why pike are considered voracious predators, here you go.
Freshwater anglers know that pike are ferocious freshwater fish. Cats, however, are not well acquainted with the species. In this viral video, two tiny felines peer into a Japanese koi pond, only to be struck by an aggressive pike that was mixed in with the lot. Luckily, curiosity did not kill these cats.
See what I mean about pike being a ferocious fish?
There are a number of documented cases of pike eating other animals, such as ducklings. When pike get really hungry, they eat their own. But their ferocity is what makes them such a challenging fish to catch.