European eel
(Anguilla anguilla)

Distribution: Lima, Nestos, Bojana, Seine, Don, Lake Vistonis, Lake Skadar, Lake Vrana, Northern Dvina, Sargasso Sea, Vardar (Axios), Guadalete, Odiel, Ropotamo river, Guadalquivir, Gudena, Daugava (Western Dvina), Garonne, Black sea, Ebro, Arno, Caspian Sea, Besos, Trent, Great Ouse, Rhine, Vjosa, Dnieper, Struma - Strymonas, Loire, Weser, Mississippi, Guadiana, Mediterranean Sea, Veleka, Rezovo river, River Severn, River Thames, River Wye, River Clyde, Bann, River Tweed, Bristol Avon, River Eden (Cumbria), River Towy, River Dee (Aberdeenshire), River Don (Aberdeenshire), River Taff, River Ely, Atlantic Ocean, Drin, Ason, Danube