Entry from British & World English dictionary
A large marine mussel which may occur in very large populations in food-rich waters.
- Genus Modiolus, family Mytilidae
- Sea anemones and horse mussels were everywhere.
- This particular horse mussel was collected from Evans Bay, Wellington, and is 30 cm long.
- The horse mussel is mostly found outside the tidal zones but still can be found within them.
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