A photo from open sources
European catfish grows to 1.5 m in length. This third by the largest freshwater fish in the world. Most catfish eat algae, other fish, fish roe and crayfish, and snails. But in the French river Tern until 1983, these catfish did not they did – people decided to grow them artificially. Ecologists It is believed that due to the fact that the number of catfish began quickly grow, and the amount of production, at the same time, is no longer enough, large the fish began to adapt, starting to hunt birds. To for observe this, scientists came to the river Tern. They are somewhat months studied the behavior of catfish and recorded 54 cases jumping fish out of the river followed by catching birds.
Birds fish
