 |
| |||
| rivierkreeft (Astacus astacus, astacus fluviatilis, Astacus spp., Cambarus spp., Cherax destructor, Cherax tenuimanus, Euastacus armatus) | |||
| zoetwaterkreeft (Astacus astacus, astacus fluviatilis, Astacus spp., Cambarus spp., Cherax destructor, Cherax tenuimanus, Euastacus armatus) | |||
| Europese rivierkreeft (Astacus astacus) | |||
| rapu: 5 phrases in 2 subjects |
| Fish farming pisciculture | 3 |
| Natural sciences | 2 |