Cambarellus (Dwarf Crayfish)

A genus of small freshwater Crayfish in the family Cambaridae
Native to the North American continent
The Cambaridae are the largest of the four families of freshwater crayfish, with over 400 species
Crayfish are freshwater crustaceans belonging to the infraorder Astacidea, which also contains lobsters
Taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea. They breathe through feather-like gills
Some kinds of crayfish are known locally as lobsters, crawdads, crawfish, mudbugs, and yabbies (down under)
Astacidea is an infraorder of decapod crustaceans including lobsters
Crustaceans (from Latin word "crustacea" meaning: "those with shells" or "crusted ones")
are mandibulate arthropods that are traditionally a part of the paraphyletic subphylum Crustacea
Arthropods are invertebrates in the phylum Arthropoda.
They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated (metameric) segments, and paired jointed appendages
The Decapoda or decapods (from Ancient Greek δεκάς (dekás), meaning "ten", and πούς (poús), meaning "foot")
is a large order of crustaceans within the class Malacostraca that have 10 appendages, and includes crabs, lobsters, crayfish, shrimp, and prawns
Crayfish all over the world can be seen in an ecological role of benthic dwellers
The benthic zone is the ecological region at the lowest level of a body of water (bottom dwellers)

Popular Cambarellus for aquariums

Cambarellus patzcuarensis Orange, common names: CPO, Mexican dwarf orange Crayfish
Cambarellus patzcuarensis, common name: Mexican dwarf Crayfish, wild type