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 Petromyzon fluviatilis Head Seen from Below.jpeg Petromyzon fluviatilis Head Seen from Below Subject Petromyzon Lampetra Tag Fish Cite book FreshWater Fishes of Europe History of their Genera Species Structure Habits and Distribution Seeley London England Cassell Company Limited Fig Creator Harry Govier Seeley PDUWASHFMIB