This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FMIB First abdominal appendages of male.jpeg check categories September First abdominal appendages of male Cambarus Sloanii Bundy Form III Cambarus compressus Fax Form III Cambarus Alabamensis Fax Form III Cambarus Mississippiensis Fax Form III Subject Cambarus Crayfish Tag Shellfish Cite book of the Astacidae Faxon Walter