This frigate , HMS `` Amethyst '' chased Motion `` Thétis '' and brought Bringing her to battle Hostile_encounter , closing Openness with the French ship but preventing Preventing_or_letting the soldiers aboard `` Thétis '' from boarding Temporary_stay the British ship and using Using their superior numbers to overwhelm Destroying her with heavy and accurate gunfire Use_firearm .

The battle Hostile_encounter lasted Process_end more than six hours and the French suffered Bodily_harm over 130 men killed Killing , including the captain and many of the soldiers aboard , before the crew of `` Amethyst '' was able to storm Attack and capture Conquering `` Thétis '' .

`` Amethyst '' and her captain Michael Seymour were active in this campaign Military_operation , capturing Conquering a second French frigate , `` Niémen '' , at the Action of 6 April 1809 .

In April 1809 , these ships Motion were HMS `` Amethyst '' and , loosely supported Supporting by other patrolling Patrolling ships and tasked Request specifically with the capture Conquering of `` Niémen '' , acting on intelligence passed Motion_directional on by the Admiralty .

`` Amethyst '' retained Preserving contact Connect throughout the night and brought Bringing the French ship to action on the morning of 6 April .

The late arrival Arriving of `` Arethusa '' —under Captain Robert Mends , who claimed Statement the victory Getting for himself—sparked a furious argument that developed Coming_to_be into a lasting animosity between Mends and Captain Michael Seymour of `` Amethyst '' .

On the British side , `` Shah '' fired Use_firearm 237 shots Use_firearm and `` Amethyst '' 190 , but none of them carried Carry_goods armour-piercing ammunition .