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Fishing for the giant freshwater crayfish was never a commercial proposition, and its slow growth and aggressive nature suggest that the species is not suitable for aquaculture. [17] As an edible animal, they are further disadvantaged of being so spiny that they can cut hands if carelessly shelled after cooking, and they yield little meat ...
Distribution map for Euastacus bidawalus [3]. The East Gippsland spiny crayfish has been recorded at elevations of 150–400 m (490–1,310 ft) from south and east flowing rivers from Lind National Park, about 20 km west of Cann River, to near Mount Imlay south of Eden.
Euastacus spinifer is a species of freshwater crayfish endemic to Australia that belongs to the family Parastacidae. [2] It was first described in 1865 as Astacoides spinifer by Camill Heller, [2] [3] but has been redescribed many times. [2] The argument [4] for the synonymy of the various names has been accepted. [2]
Crayfish can be cooked more humanely by first freezing them unconscious for a few hours, then destroying the central nervous system along their abdomen by cutting the crayfish lengthwise with a long knife down the center of the crayfish before cooking it. [46] Global crayfish production is centered in Asia, primarily China.
Female crayfish enter a secluded and secure place to release eggs and attach them to their swimmerets, at which point they are referred to as "in berry". Female crawfish will hold the eggs and the young until their second molt, they have been found with eggs and young during the months of May and June.
The Murray crayfish, Euastacus armatus, is a species of freshwater crayfish endemic to Australia that belongs to the family Parastacidae.The Murray crayfish has the largest geographic range of any of the Euastacus crayfish in Australia, being found in the Murray and Murrumbidgee Rivers as well as many of their tributaries. [2]
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[4] [6] The species exhibits a high degree of parental care for their eggs, which are spawned in the spring and are generally laid in hollow logs or on other hard surfaces. Murray cod are a popular angling target and aquaculture species. Often available through the aquarium trade, they are also a popular aquarium species in Australia.