Its parents were Echnida and Typhon
Worcester Hydra was created in 2011.
Hydra viridissima was created in 1766.
Hydra oligactis was created in 1766.
Hydra Trophy was created in 2008.
Hydra viridis was created in 1767.
Hydra vulgaris was created in 1766.
Maneater of Hydra was created in 1967.
Hydra the Revenge was created in 2005.
Hydra - song - was created in 1979.
Hydra Ventures was created in 2011.
Hydra Network was created in 2003.
Imperial Hydra was created in 1965.