This is a Signal Crayfish, we found it at Bolton Abbey. It is an invasive species doing great damage to native populations. I think it’s an offence to release a non native species, so once you catch one you have a dilemma. Do you kill it? I don’t like killing things that I’m not going to eat. One wouldn’t make much of a meal but I know people who do the native wildlife great service by trapping and cooking them.
Male (Ided by Prof. Dr. Tone Novak, University of Maribor, Department of Biology)
Rivierkreeftje ourthe?
Femmina di O. limosus con uova