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 Acipenser ruthenus Showing the Cranial Scutes on the Upper Side of the Head.jpeg check categories September Acipenser ruthenus Showing the Cranial Scutes on the Upper Side of the Head Subject Acipenser Sterlet Tag Fish Cite book FreshWater Fishes of Europe History of their Genera Species Structure Habits and Distribution