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| hammerhaj (Sphyma zygaena, Sphyrindae, Sphyrna mokarran); almindelig hammerhaj (Sphyrna zygaena, Zygaena malleus) | |||
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| hammerhajarter (Sphyrna spp.); hammerhajslægt (Sphyrna spp.) | |||
| hammerhajfamilien (Sphyrnidae) | |||
| hammerhajer (Sphyridae) | |||
| Hammerhai: 3 phrases in 3 subjects |
| Fish farming pisciculture | 1 |
| Life sciences | 1 |
| Natural resourses and wildlife conservation | 1 |