Found this great poster on crayfish in Mississippi, at the following site, https://www.researchgate.net/publication/234154354_Crayfishes_of_Mississippi_poster with the following abstract: “This is a wall poster showing about half of the crayfish species in the state of Mississippi. For a free copy of the poster, send your mailing address to Susan Adams. Poster text: Crayfishes, also known as crawfish, … More Crayfishes of Mississippi Poster