| Part of speech | common noun |
|---|---|
| Gender | neuter |
| Singular | Plural | |
|---|---|---|
| Nominative | Ofenfischchen | Ofenfischchen |
| Genitive | Ofenfischchens | Ofenfischchen |
| Dative | Ofenfischchen | Ofenfischchen |
| Accusative | Ofenfischchen | Ofenfischchen |
| Czech | rybenka skleníková |
|---|---|
| Danish | ovnfisk |
| Dutch | ovenvisje |
| English | firebrat |
| Esperanto | doma termobio |
| Finnish | uunitoukka |
| Hungarian | kemencehalacska |
| Italian | pesciolino delle case |
| Norwegian | fyrkre |
| Russian | термобия домашняя |
| Spanish | insecto de fuego; termobia de las tahonas |
| Swedish | ugnssmyg |