 |
| |||
| Miesmuscheln f | |||
| echte Flußperlmuschel (Margaritana margaritifera); Perlmuschel f (Margaritana margaritifera) | |||
| pearl mussel: 4 phrases in 2 subjects |
| Fish farming pisciculture | 1 |
| Natural resourses and wildlife conservation | 3 |
|
| |||
| Miesmuscheln f | |||
| echte Flußperlmuschel (Margaritana margaritifera); Perlmuschel f (Margaritana margaritifera) | |||
| pearl mussel: 4 phrases in 2 subjects |
| Fish farming pisciculture | 1 |
| Natural resourses and wildlife conservation | 3 |