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maillet (Sphyrna zygaena, Zygaena malleus); marteau (Sphyrna zygaena, Zygaena malleus); requin-marteau (Sphyrna zygaena, Zygaena malleus); requin-marteau commun (Sphyrna zygaena, Zygaena malleus); requin-marteau lisse (Sphyrna zygaena, Zygaena malleus) | |||
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sphyrnidés (Sphyrnidae) | |||
requins-marteaux (Sphyrnidae) | |||
requins marteau (Sphyridae) |
hamerhaai : 6 phrases in 2 subjects |
Fish farming pisciculture | 5 |
Natural resourses and wildlife conservation | 1 |