Recently I have also read about the rusty crayfish which you find around the Great Lakes. This crayfish is apparently very aggressive and has made inroads among the more timid old crayfish varieties. As the rusty crayfish has larger claws, I am not entirely against it... ...
Parasites - Paragonimiasis (also known as Paragonimus Infection) Paragonimus is a lung fluke (flatworm) that infects the lungs of humans after eating an infected raw or undercooked crab or crayfish. Less frequent, but more serious cases of paragonimiasis occur whenthe parasite travels to the centr...
However, since there is so much consistency with natural happenings during any given week between years (especially this time of year), I am republishing the following 2018 post for folks trying to stay abreast of all that is going on outdoors at this time. A little-known natural phenomenon...