freshwater hydra
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English[edit]
Noun[edit]
freshwater hydra (plural freshwater hydras)
- Hydra vulgaris, a solitary polyp about 10 mm long, usually found attached to the under surfaces of water plants in ponds and streams. Similar to a sea anemone consisting of a hollow cylinder with a mouth surrounded by tentacles.
Translations[edit]
as above
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References[edit]
- Hydra vulgaris on Wikipedia.Wikipedia