species 419 observations
Cavespring Crayfish
Cambarus tenebrosus
Field notes
Cambarus tenebrosus, the cavespring crayfish, is a freshwater crayfish native to Alabama, Kentucky, Tennessee, Ohio and Indiana in the United States. It is a facultative cave-dwelling species known from 84 caves over its range and 20 surface locations in the Cumberland Plateau.
Read more on WikipediaRange
Greener is more native, amber more introduced; paler is less certain. How this was decided