The following is the entry for Edmund Gardiner Fishbourne in William O'Byrnes 1849 'Naval Biographical Dictionary'.
FISHBOURNE. (Commander, 1841.)Edmund Gardiner Fishbourne entered the Navy 1 Feb. 1824; passed his examination in 1830; and obtained his first commission 1 April, 1835. His ensuing appointments were, on the African station – 24 Nov. 1835, to the Thalia 46, Capt. Robt. Wauchope – 12 July, 1836, to the Pylades 18, Capt. Wm. Langford Castle – 22 Jan. 1838, as Senior-Lieutenant, to the Scout 18, Capt. Robt. Craigie – and, 15 Sept. 1840, in a similar capacity, to the Albert steamer, Capt. Henry Dundas Trotter, in which he attended the unfortunate expedition to the Niger. While employed on the latter service he was promoted to the rank of Commander 1 Nov. 1841, and appointed to the Soudan, another steamer. He has been on half-pay since 1842.