Cherax quadricarinatus (known by several common names, including Australian red claw crayfish, Queensland red claw, redclaw, tropical blue crayfish, freshwater blueclaw crayfish) is an Australian freshwater crayfish.

Australia has a large and unique crayfish fauna including the largest and smallest species in the world. Crayfish are heavy bodied crustaceans with an enlarged, pincer-like first pair of legs and are known by many common names depending on the area they are found.

The Tasmanian giant freshwater crayfish (Astacopsis gouldi), also called Tasmanian giant freshwater lobster, is the largest freshwater invertebrate and the largest freshwater crayfish species in the world.

Many of the better-known Australian crayfish are of the genus Cherax, and include the common yabby (C. destructor), western yabby (C. preissii), and red-claw crayfish (C. quadricarinatus). [ 25 ] The marron species C. tenuimanus is critically endangered , while other large Australasian crayfish are threatened or endangered.

"The eastern swamp crayfish Gramastacus lacus sp. n. (Decapoda, Parastacidae) a new species of freshwater crayfish from coastal New South Wales, Australia" was published in Issue 398 of ZooKeys. Link to free species description published in Zookeys

Identification: Cherax quadricarinatus is a large bodied crayfish with a blue-green to green color with red and maroon highlights. Adult males have a soft, fleshy, bright red patch on the outer margin of the major chelae. This species also has four long and distinct carinae (ridges) on the dorsal surface of the cephalon (Coughran and Leckie 2007.

2004年4月1日 · The Australian red claw crayfish (Cherax quadricarinatus) is a large freshwater crayfish native to the tropical region of northern Australia and the catchments of southeastern Papua New Guinea.

Cherax quadricarinatus (known by several common names, including Australian red claw crayfish, Queensland red claw, redclaw, tropical blue crayfish, freshwater blueclaw crayfish) is an Australian freshwater crayfish. The colour of C. quadricarinatus ranges …

Native Range: Cherax quadricarinatus is native to Australia, and can be found in freshwater creeks and water bodies in tropical Queensland, the Northern Territory and southeastern Papua New Guinea (Coughran and Leckie 2007).

The Australian Crayfish Project (ACP), founded in 2005 by Rob McCormack, is a privately funded, volunteer-driven initiative dedicated to the study, conservation, and discovery of Australia’s freshwater crayfish.