The article is based on observations of muskrats (Ondatra zibethicus) on the Prostřední rybník/Middle Fishpond in the Lednické rybníky Fishponds National Na¬ture Reserve (South Moravia). A possibility that muskrats can prey on fish up to 15 cm length has been repeatedly debated but this report presents the first evidence.
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© Foto J. Foit