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marene (Coregonus albula, Coregonus artedii, Coregonus clupeaformis, Coregonus hoyi, Coregonus lavaretus, Coregonus oxyrhynchus, Coregonus pollan); houting (Coregonus oxyrhynchus); grote marene (Coregonus lavaretus); grootoog-marene (Coregonus macrophthalmus) | |||
marene (Coregonus altior, Coregonus elegans, Coregonus pollan) | |||
grote marene (Coregonus lavaretus) |
siika: 1 phrase in 1 subject |
Fish farming pisciculture | 1 |