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| Amerikanischer Wels (Ameiurus nebulosus, Ictalurus nebulosus); Amerikanischer Zwergwels (Ameiurus nebulosus, Ictalurus nebulosus); Katzenfisch m (Ameiurus nebulosus, Ictalurus nebulosus); Katzenwels m (Ameiurus nebulosus, Ictalurus nebulosus); Zwergwels m (Ameiurus nebulosus, Ictalurus nebulosus) | |||
| Katzenfisch m (Ictalurus nebulosus); Zwergwels m (Ictalurus nebulosus) | |||
| Zwergwels m (Ictalurus nebulosus, Ameiurus nebulosus) | |||
| brown bullhead: 3 phrases in 1 subject |
| Ichthyology | 3 |