Warning fish species 'testicular bite'

Swedish and Danish authorities have warned men carefully when swimming in southern beaches in the Oresund Strait of the two countries because of the presence of pacu fish that like 'bite testicles'.

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Residents and visitors, especially men, are careful when swimming at the beaches of the Oresund Strait because of the 'pure bite' fish pacu - (Photo: National Geographic)

The warning came after a fisherman caught a pacu fish about 21cm long in the sea.

According to The Local (Sweden), fish pacu originated in South America, when mature, up to 90cm long and 25kg in weight. It has large teeth that can bite off fishing lines and human fingers.

' Especially the pacu fish often confused the male testicles as food. Fish bites cause serious bleeding and death , "fish researcher Henrik Carl - working at the Danish museum - warned.

The pacu that appears in the ocean is said to have accidentally escaped from the aquariums of local aquarium hobbyists, citing information on CNN on August 11.

Earlier, some people in Papua New Guinea were bitten off testicles by pica with strong bats.