 |
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| Regenbogen-Rundhering m (Dussumieria acuta, Dussumieria productissima); Gemeiner Rundhering (Etrumeus teres) | |||
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| Rundheringe m (Etrumeus spp.) | |||
| Rundheringe m (Etrumeus); Heringe m (Clupeidae) | |||
| round herring: 8 phrases in 3 subjects |
| Fish farming pisciculture | 4 |
| Ichthyology | 3 |
| Natural resourses and wildlife conservation | 1 |