Ya know my son tried the same thing at his age, "Why do I have to eat the other creatures dad? What's so important about the food chain?"
~ Creature

Predators are carnivorous animals who hunt and kill prey for food. Examples of predators are bears, hyenas, big cats, birds of prey, frogs, wolves, sharks, snakes, crocodiles, killer whales, and even dinosaurs.

Typically, predators in real life and fiction act out of instinct and a need to eat rather than genuine maliciousness; thus, they are almost always considered amoral.