The two set out together and as they approached the coast "Emulous" suddenly grounded. On 9 November 1809 "Emulous" fought off a French 32-gun frigate off Puerto Rico. On 11 April 1807 "Emulous" and the gun-brig recaptured the "Rochdale". The British captured "Nautilus" early in the War of 1812 and renamed her HMS "Emulous". "Emulous" was commissioned under Commander William Mackenzie Godfrey, on the Halifax station. Shortly thereafter "Emulous" fell over onto her beam-ends and became unsalvageable. "Emulous" was commissioned under Commander for convoys and cruising. "Emulous" was badly damaged and lost 10 men killed and 20 wounded.