Hydra vulgaris
| Hydra vulgaris | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hydrozoa |
| Order: | Anthoathecata |
| Family: | Hydridae |
| Genus: | Hydra |
| Species: | H. vulgaris |
| Binomial name | |
| Hydra vulgaris Pallas, 1766 | |
| Synonyms | |
| |
Hydra vulgaris, the fresh-water polyp, is a small freshwater hydroid with length from 10 mm to 30 mm and width about 1 mm.