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 Head of crappie Pomoxis sparoides with operculum removed to show small lesion on gill.jpeg check categories September Head of crappie Pomoxis sparoides with operculum removed to show small lesion on gill Subject CrappieDiseases Tag Fish Cite book New Bacterial Disease of FreshWater Fishes Bulletinof the United States Bureau