| |||
| Meerwelse m (Bagre marinus, Galeichthys felis) | |||
| Katzenfisch m (Ictalurus nebulosus); Zwergwels m (Ictalurus nebulosus) | |||
| |||
| Raubwelse m (Clarias spp.) | |||
| Zwergwelse m (Ictaluridae) | |||
|
poisson- chat : 20 phrases in 3 subjects |
| Fish farming pisciculture | 16 |
| Ichthyology | 2 |
| Natural resourses and wildlife conservation | 2 |