Firstly I will start from explaining words predator and prey. Namely in ecology predators are those animals that survive by quarrying on other animals or plants for food. Many predators hunt and eventually kill their prey for example owls are predators and they prey on mice. Predatory animals may hunt in groups like wolves or may be a lone hunter like leopards. Preys are the organisms hunted by predators. Puffer fish is a great example of an animal which has an anti-predation protection mechanism