Hydractinia
| Hydractinia | |
|---|---|
| Hydractinia altispina | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hydrozoa |
| Order: | Anthoathecata |
| Family: | Hydractiniidae |
| Genus: | Hydractinia van Beneden, 1841 |
| Species | |
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See text | |
| Synonyms | |
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List
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Hydractinia is a genus of commensal athecate hydroids which belong to the family Hydractiniidae. Hydractinia species mostly live on hermit-crabbed marine gastropod shells.
One species, Hydractinia echinata, is commonly known as snail fur. Another species, H. minoi, is known to be commensal with stingfishes of the genus Minous.