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| perch (Perca flavescens, Perca fluviatilis, Plectroplites ambiguus) | |||
| perch | |||
| European perch (Perca fluviatilis); perch (Perca fluviatilis) | |||
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abborre : 2 phrases in 2 subjects |
| Fish farming pisciculture | 1 |
| Natural resourses and wildlife conservation | 1 |