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beluga, white sturgeon, hausen, Acipenser huso | valuable source of caviar and isinglass; valuable source of caviar and isinglass; found in Black and Caspian seas ❲Acipenser huso❳ | |
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white whale, beluga, Delphinapterus leucas | small northern whale that is white when adult ❲Delphinapterus leucas❳ |