 "Sirène" took part in the Battle of Cape Finisterre on 22 July 1805.In March of the following year, she took part in an expedition to destroy English whaling ships.On 2 August 1806 "Sirène", "capitaine de frégate" Le Duc, and , "capitaine de frégate" Lambert, captured the Greenland whalers , Swan, master, and "Blenheim", Welburn, master, both of and for Hull.