福建水师
Courbet's attack on the Fujian Fleet on 23 August 1884 at the Battle of Fuzhou plunged France and China into war. The Nanyang Fleet commanders responded by splitting the fleet to protect Shanghai and the Nanking Arsenal, both plausible targets for future French naval descents. The Rendel gunboats "Longxiang", "Feiting", "Cedian" and "Huwei" remained at Shanghai, and the frigate "Haian" was filled with stones and prepared as a blockship, to be sunk across the entrance to the Huangpu river if the French showed themselves in force. The German-built cruisers "Nanrui" and "Nanchen", together with several other ships of the Nanyang Fleet, withdrew to Nanking. In late August 1884 Admiral Courbet ordered "Parseval" to leave Shanghai. The lone French cruiser had lain within range of the Nanyang Fleet for a whole week after the outbreak of war, but the Chinese made no attempt to attack her. On the night of 30 August 1884 "capitaine de vaisseau" Thounens of "Parseval" ran the gauntlet of the guns of the Wusong forts and escaped without casualties to the open sea. The Nanyang Fleet did nothing whatsoever to hinder his departure.