Hydra (genus)
Hydra /ˈhaɪdrə/ is a genus of small, simple, fresh-water animals that possess radial symmetry. Hydra are predatory animals belonging to the phylum Cnidaria and the class Hydrozoa. They can be found in...
Hydra (genus) - Wikipedia
Absurd Creatures | Hail Hydra, the Incredible Critter That May Be Immortal
The hydra's got kind of a jellyfish thing going on, with tentacles it uses to snag prey. But this tiny freshwater creature regenerates itself over and over a...
Living Hydra (genus) Super Cool! - YouTube
Feb 14, 2013 ... Hydra (pron.: /'ha?dr?/) is a genus of small simple fresh-water animals possessing radial symmetry. Hydra are predatory animals belonging to ...