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Fishermen at Kasyanka lake in Dnipropetrovsk, Ukraine recently reported that they had been "attacked" by piranhas. After fishermen caught five of the fish, authorities netted three more. They ranged in size from 2.7 to 5 inches. The piranhas, native to the Amazon, were likely pets abandoned by their owner. From Agence France-Presse:
"I can say with 98 percent certainty that we believe we have fished all the fish from the lake," wildlife protection official Anatoly Sergeiyenko was quoted by Interfax news agency as saying...Link (via Fortean Times)
Sergeiyenko said authorities had decided to ban sales of piranhas in Dnipropetrovsk pet shops.