| ελληνικά | ell-000 |
| ύδρα | |
| беларуская | bel-000 | гідра |
| Deutsch | deu-000 | Hydra |
| Deutsch | deu-000 | Wasserschlange |
| English | eng-000 | Hydra |
| English | eng-000 | hydra |
| Esperanto | epo-000 | hidro |
| français | fra-000 | hydre |
| magyar | hun-000 | hidra |
| Latina Nova | lat-003 | Hydra |
| Nederlands | nld-000 | hydra |
| Nederlands | nld-000 | waterslang |
| português | por-000 | hidra |
| русский | rus-000 | гидра |
| español | spa-000 | hidra |