Fish Turn on One Another When Attacked by Predators

Nature World News: In the underwater world, self-preservation takes many shapes. Fish, for example, will avoid capture by swimming in a large mass that makes it difficult to single-out one individual. But according to the latest research on a small species of South American fish, the creatures will turn on one another when confronted by a predator on the hunt. Two-spot astyanax, are seemingly innocuous fish. Often kept as pets, the small fish tend to swim in schools of about 50 and have a diet of plankton, plants......

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