The family Astacidae comprises the freshwater crayfish native to Europe and western North America. It is made up of three genera. Pacifastacus is found on the Pacific coast of the United States and British Columbia and includes the signal crayfish and the Shasta crayfish. The genera Astacus and Austropotamobius are both found throughout Europe and parts of western Asia.
Effects of stage 2 juvenile removal frequency on final survival rates in artificial incubation of crayfish eggs (Pacifastacus leniusculus Dana. Astacidae).
Apr 01, 2007; ABSTRACT In artificial incubation of astacid crayfish eggs, stage 2 juveniles must be removed by hand from incubators and a...