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.
Description: English: Cherax Quadricarinatus or Blueclaw Yabby or Redclaw Yabby is a yabby commonly found in fresh water streams in Australia. Date: 28 December 2010. Source: Own work. Author: Graysilver.
Description: Deutsch: Die Bauchseite eines männlichen Rotscherenkrebses (Cherax quadricarinatus) im Aquarium. English: The Redclaw ventral. Date: 27 April 2015. Source: Own work. Author: 5snake5.
Description: Entirely My own work. Date: 15 February 2009 (according to Exif data). Source: No machine-readable source provided. Own work assumed (based on copyright claims). Author: No machine-readable author provided. Cyberdemon007 assumed (based on copyright claims).
Description: English: Cherax_quadricarinatus male Deutsch: Cherax_quadricarinatus Männchen. Date: 28 February 2011. Source: Own work. Author: Miss Fish.
Description: English: a female, egg-carrying Australian red claw crayfish (Cherax quadricarinatus) next to a stream in Queensland, Australia. Date: 28 June 2019. Source: Cherax quadricarinatus. Author: nature.catcher.