Cherax spp.

Basic information
Scientific name	Cherax spp.	Click to magnify
Lower taxa	C. cainii, C. quadricarinatus, C. destructor, etc.
Common names	Crayfishes of genus Cherax
Higher taxon	Parastacidae, Decapoda, Malacostraca, Arthropoda
Natural range	Australia, Papua New Guinea
Habitat	Under Construction.

Invasion information
Range in Japan	Not established in Japan
Origin	Unintroduced to Japan.
Date
Route	Deliberate: As pet
Impact	Potentially: Predation on native aquatic plants and animals, competition with native crustaceans, destruction of aquatic vegentation Native organism(s) affected: Freshwater plants and animals.
Regulation in Japan	Import, transport and keeping are prohibited in Japan by the Invasive Alien Species Act.
Introduced range in other countries	None.

Reference	Notes
JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha. (in Jpn) etc.	This genus includes 45 spcies. Among those, several species (Marron C. cainii, Red claw C. quadricarinatus, Yabby C. destructor, etc.）were sold as pet in Japan. The crayfish of picture above is red claw C. quadricarinatus.