| italiano | ita-000 |
| Idra femmina | |
| català | cat-000 | Hydra |
| čeština | ces-000 | Hydra |
| čeština | ces-000 | Vodní Had |
| 普通话 | cmn-000 | 长蛇座 |
| lingua corsa | cos-000 | Hydra |
| dansk | dan-000 | Søslangen |
| Deutsch | deu-000 | Nördliche Wasserschlange |
| Deutsch | deu-000 | Wasserschlange |
| eesti | ekk-000 | Hüdra |
| ελληνικά | ell-000 | Ύδρα |
| English | eng-000 | Hydra |
| English | eng-000 | Sea Serpent |
| English | eng-000 | Water-Snake |
| Esperanto | epo-000 | Hidro |
| suomi | fin-000 | Vesikäärme |
| français | fra-000 | Hydre |
| français | fra-000 | Hydre Femelle |
| Gaeilge | gle-000 | Phéist Uisce |
| עברית | heb-000 | הידרה |
| hrvatski | hrv-000 | Vodena zmija |
| magyar | hun-000 | Északi Vizikígyó |
| magyar | hun-000 | Északi Vízikígyó |
| íslenska | isl-000 | Vatnaskrímslið |
| italiano | ita-000 | Idra |
| 日本語 | jpn-000 | うみへびざ |
| 日本語 | jpn-000 | うみへび座 |
| 한국어 | kor-000 | 바다뱀자리 |
| latine | lat-000 | Hydra |
| lietuvių | lit-000 | Hidra |
| latviešu | lvs-000 | Hidra |
| Nederlands | nld-000 | Waterslang |
| nynorsk | nno-000 | Vannslangen |
| bokmål | nob-000 | Sjøuhyret |
| bokmål | nob-000 | Vannslangen |
| polski | pol-000 | Hydra |
| português | por-000 | Hidra |
| português | por-000 | Hidra Fêmea |
| português | por-000 | Hydra |
| русский | rus-000 | Гидра |
| slovenčina | slk-000 | Hydra |
| español | spa-000 | Hidra |
| español | spa-000 | Hydra |
| español | spa-000 | Serpiente de Agua |
| svenska | swe-000 | Vattenormen |
| ภาษาไทย | tha-000 | กลุ่มดาวงูไฮดรา |
| Türkçe | tur-000 | Hydra |
| Türkçe | tur-000 | Suyılanı |
| українська | ukr-000 | Гідра |