
Astacoides crosnieri - closeup, Ranomafana, Madagascar
Found in a shallow stream. It seems to be missing one forearm and one of its antennae. ID is presumed based on this reference:
https://www.inaturalist.org/observations/9489037

''Astacoides crosnieri'' is a species of crustacean in family Parastacidae. It is endemic to Madagascar, being widespread in the former Province Fianatantsoa. ''A. crosnieri'' inhabits swampy areas at an elevation between 500 – 1000 m above sea level.
The populations are threatened by habitate loss and predation pressure from introduced species.
Since ''A. crosnieri'' has a muddy taste and their habitat is difficult to access, ''A. crosnieri'' is less targeted by fisheries compared.. more