Friday, 5 June 2015

Goldfish helping to kill off frogs by spreading 'devastating disease', scientists warn

Goldfish and other non-native fish should not be put into garden ponds because they help spread a “devastating disease” that is killing off thousands of frogs every year, scientists have said.

The researchers, who published a paper in the PLoS One journal, also said the use of common garden chemicals was weakening frogs’ immune systems which put them at greater risk of deadly ranavirosis. Amphibians are also among the animals most at risk from climate change.

Alexandra North, of Exeter University and lead author of the study, which looked at frog deaths from 1992 to 2000, told The Daily Telegraph: “It is important to stop stocking ponds with non-native species like goldfish. Our results show that we can all help limit the impact of this devastating disease.

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