Acanthothelphusa lirrangensis

Acanthothelphusa lirrangensis, the Malawi blue crab,^[2] is a species of freshwater crab in the family Potamonautidae. This common and widespread species is found in Lake Malawi, Lake Kivu, the upper Congo River Basin and Malagarasi River in the Democratic Republic of the Congo, Malawi, Rwanda, and Tanzania.^[1] In the freshwater aquarium trade it is sometimes sold under the synonym Potamonautes orbitospinus.^[2]

Acanthothelphusa lirrangensis
Museum specimens. Living individuals are typically bluish
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Brachyura
Family:	Potamonautidae
Genus:	Acanthothelphusa
Species:	A. lirrangensis
Binomial name
Acanthothelphusa lirrangensis (Rathbun, 1904)
Synonyms
Potamonautes orbitospinus Cunnington, 1907