Ruffe (Gymnocephalus cernuus)

Species

Distribution


Ruffe (Gymnocephalus cernuus)

Courtesy of US Environmental Protection Agency


To view NBN location data click here

Impacts

Pathways

  • Ruffe populations have a minimum population doubling time of less than 15 months and the species is an aggressive predatory species of zooplankton and other food sources of native species of fish as well as fish eggs.
  • The introduction of Ruffe to L. Lomond has had disastrous consequences for the Powan and has significantly altered the ecology of the loch.
  • Live bait

Management

Prevention

Do not introduce into the wild or transfer between waterbodies. Do not use Ruffe as livebait.

Physical Control

None

Chemical Control

None attempted

Biological Control

None

Links

Daisie Species Fact Sheets

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