 On 9 October that year she captured the German tug "Adjutant" in the Mozambique Channel.On 30 October, the cruiser spotted "Königsberg" moored up the Rufiji delta, and on 2 November, "Dartmouth" attempted to engage "Königsberg" or the supporting steamer "Somali" but the German ships were too far upstream to be successfully engaged.On 10 November, the British scuttled the collier "Newbridge" in the Rufiji River as a blockship to prevent "Königsberg" from escaping, and on 11 November, "Dartmouth" left to reinforce the Cape of Good Hope Station in the aftermath of the Battle of Coronel.