 |
| |||
| hård venusmussla (Mercenaria mercenaria, Venus mercenaria) | |||
| sandmussla (Venus verrucosa); mussla (Mercenaria mercenaria) | |||
| clame: 14 phrases in 5 subjects |
| Fish farming pisciculture | 7 |
| Ichthyology | 1 |
| Life sciences | 1 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 4 |