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helt (Coregonus albula, Coregonus artedii, Coregonus clupeaformis, Coregonus hoyi, Coregonus lavaretus, Coregonus oxyrhynchus, Coregonus pollan); snæbel (Coregonus oxyrhynchus); hælt (Coregonus altior, Coregonus elegans, Coregonus pollan); storøjet helt (Coregonus macrophthalmus) | |||
helt (Coregonus lavaretus) | |||
almindelig helt (Coregonus lavaretus) |
siika: 1 phrase in 1 subject |
Fish farming pisciculture | 1 |