Il gambero virile, Orconectes virilis (Hagen, 1870)

  Author:

Original photo by Erick Vigneux.

 
Note:

From the book "Atlas of Crayfish in Europe", Publications Scientifiques du Muséum Nationel d'Histoire Naturelle, C. Souty-Grosset, D. M. Holdich, P. Y. Noel, J.D. Reynolds, P. Haffner (editors), Paris, 2006.