freshwater hydra
Appearance
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