Description: English: Sketch 34. Fresh water crayfish (en:Tasmanian giant freshwater crayfish, Astacopsis gouldi) watercolour on paper sketch from the Sketchbook of fishes by Van Diemonian (Tasmanian) artist and convict William Buelow Gould (1801 - 1853). This full reproduction shows the bindings of the sketchbook at the top of the image.Produced c1832 as part of a thirty-six image still life sketchbook of fishes while Gould was a convict on Sarah Island at the Macquarie Harbour Penal Station. Probably done for Dr William De Little. Inscribed on the UNESCO Australian Memory of the World Register on 1 April 2011 Actual size 185 x 227 mm. Date: circa 1832 date QS:P,+1832-00-00T00:00:00Z/9,P1480,Q5727902. Source: https://www.flickr.com/photos/107895189@N03/15211587999/. Author: Tasmanian Archive and Heritage Office Commons.