Gatum Gatum (1958−1985) was an Australian Thoroughbred racehorse who won the 1963 Melbourne Cup.
Despite winning the 1961 SAJC South Australian Derby as a three-year-old and a second placing in the 1963 Caulfield Cup he carried just 7 st 12 lb (50 kg) to victory in the Cup.Rolfe, C. (2008). Winners of the Melbourne Cup. Red Dog , p. 251-2
His owner, Malcolm Reid had bred the 1945 Melbourne Cup winner Rainbird but had sold her as a filly to his brother Clifford.Pollard, J. (1988). Australian Horse Racing. Angus & Robertson Publishers , p. 464
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