| Answer | Crossword Clue |
|---|---|
| sterlet | small sturgeon, Acipenser ruthenus, of the Black and Caspian seas, valued as a source of caviar |
| hausen | white sturgeon, Huso huso, of the Black and Caspian seas, valued as a source of caviar and isinglass |
| hausens | white sturgeon, Huso huso, of the Black and Caspian seas, valued as a source of caviar and isinglass |
| beluga | white sturgeon, Huso huso, of the Black and Caspian seas, valued as a source of caviar and isinglass |
| belugas | white sturgeon, Huso huso, of the Black and Caspian seas, valued as a source of caviar and isinglass |
| sevrugas | A migratory sturgeon found only in the basins of the Caspian and Black Seas, much fished for its caviar |
