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| zeedonderpad n (Cottus bairdi, Hemitripterus americanus, Icelinus filamentosus, Leptocottus armatus, Myoxocephalus octodecemspinosus, Myoxocephalus scorpius, Scorpaenichthys marmoratus) | |||
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| zeedonderpadden n (Myoxocephalus spp.) | |||
| zeedonderpad n (Myoxocephalus spp.) | |||
| sculpin: 4 phrases in 3 subjects |
| Fish farming pisciculture | 2 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |