 |
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| mactra surf clams (Mactridae) | |||
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| thresher clam (Mactra spp.) | |||
| hen clam (Mactra sachalinensis) | |||
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| mactra surf clams | |||
|
mactres : 33 phrases in 5 subjects |
| Fish farming pisciculture | 4 |
| Ichthyology | 22 |
| Life sciences | 2 |
| Natural resourses and wildlife conservation | 4 |
| Natural sciences | 1 |