Kentucky River Crayfish Female "In Berry"

Dorsal view of a female invasive Kentucky River crayfish (Faxonius juvenilis) carrying her fertilized eggs on the underside of her body. This stage in crayfish reproduction is known as "in berry" because the eggs resemble a bunch of berries.

Female Kentucky River crayfish carrying eggs, native to Alabama
Photo courtesy of Guenter A. Schuster
Female Kentucky River crayfish carrying eggs, native to Alabama