The Common yabby, Cherax destructor, is a freshwater crayfish. It is found in Australia, where it is the most widely distributed crayfish species, it is also found in Indonesia, Papua New Guinea and New Zealand. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Subphyla and Classes Subphylum Trilobitomorpha Trilobita - Trilobites (extinct) Subphylum Chelicerata Arachnida - Spiders, Scorpions, etc. ... Classes Remipedia Cephalocarida Branchiopoda Ostracoda Maxillopoda Malacostraca The crustaceans (Crustacea) are a large group of arthropods (55,000 species), usually treated as a subphylum. ... Orders Subclass Eumalacostraca  Superorder Eucarida   Order Amphionidacea   Order Decapoda - crabs, shrimp   Order Euphausiacea - krill  â€ Superorder Pancarida   â€ Order Thermosbaenacea  Superorder Peracarida   Order Amphipoda - amphipods   Order Cumacea - cumaceans   Order Isopoda - pillbugs, sowbugs   Order Lophogastrida   Order Mictacea   Order Mysida   â€ Order Spelaeogriphacea   Order Tanaidacea  Superorder Syncarida   Order Anaspidacea   Order Bathynellacea   â€ Order Palaeocaridacea   Order Stygocaridacea... Suborders Dendrobranchiata Pleocyemata Caridea Stenopodidea Reptantia The decapods or Decapoda are a group of crustaceans within the class Malacostraca, including many familiar groups of crustaceans, such as crabs, lobsters and shrimp, but also some families that are less well known. ... Infraorders Caridea Stenopodidea Reptantia, divided into: Polychelida Achelata Glypheoidea Astacidea Thalassinidea Anomala Brachyura Pleocyemata is a sub-order of decapod crustaceans, erected by Martin Burkenroad in 1963. ... Superfamilies see text Astacidea is a group of decapod crustaceans including lobsters, crayfish and their close relatives. ... The word crayfish or crawfish can mean:- Sea crayfish, also called spiny lobster. ... Genera Astacoides Astacopsis Cherax Engaeus Engaewa Euastacus Geocherax Gramastacus Paranephrops Parastacoides Parastacus Samastacus Tenuibranchiurus Virilastacus Parastacidae is the family of freshwater crayfish found in the southern hemisphere. ... Species about 40; see text Cherax is the largest and most widespread genus of crayfish in the Southern Hemisphere. ... In biology, binomial nomenclature is a standard convention used for naming species. ... 1936 was a leap year starting on Wednesday (link will take you to calendar). ... Families Astacoidea   Astacidae   Cambaridae Parastacoidea   Parastacidae Crayfish, sometimes called crawfish, crawdads, mudbugs, yabbies, or spoondogs, are freshwater crustaceans resembling small lobsters, to which they are closely related. ...

They are a popular species for aquaculture, although their burrowing can destroy dam banks.

External link

• Biology of Yabbies

The colour of the yabby can vary to a blue to a green or a red.