Released into the wild goldfish can grow up to 10 times – BBC

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Goldfish (Carassius auratus), aquarists favorite small pets are fish, falling into natural lakes and rivers, are raises and increase in size by 10 times. This conclusion was made by Australian scientists in a paper published in the journal Ecology of Freshwater Fish .

Using a special acoustic sensors, scientists have found that issued in fish ponds can travel hundreds of kilometers along the rivers destroying other species of fish. They studied one of the rivers in Western Australia, where goldfish were introduced 12 years ago, most likely, by pouring home aquariums. “Perhaps they were living at home, and the children’s parents simply do not want to carry tanks when moving” – said the author of Stephen Beatty from Perth University

The research scientists have been caught specimens of goldfish the size of a soccer ball. weighing 1.9 kg. According to scientists, these predatory fish released into bodies of water can become a serious threat to other fish species

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