European eel, common eel (Anguilla anguilla) European Eel (Anguilla anguilla) from Iduns kokbok, author died 1933, scanned by Projekt Runeberg.
Source: https://commons.wikimedia.org/wiki/File:%C3%85l,_Iduns_kokbok.jpg
The European eel or common eel (Anguilla anguilla) is a species of eel, a snake-like, catadromous fish. The European eel, Anguilla anguilla, is one of 19 species in their genus, found in the Northern Atlantic south to Mauritius, the Mediterranean, North and Baltic Seas and the rivers that feed into these ocean bodies.