Author: | Kangur K., A. Kangur, and P. Kangur |
Article Title: | A comparative study on the feeding of eel, Anguilla anguilla (L.), bream, Abramis brama (L.) and ruffe, Gymnocephalus cernuus (L.) in Lake Vortsjarv, Estonia. |
Keywords: | ruffe, Gymnocephalus cernua, basic biology, nonindigenous |