The blue and black ribbon eels were once thought to be different species but are now considered to be the juvenile and adult stages of the same species.
Blue Ribbon Eel - North Sulawesi, Indonesia - 2017-06
Blue Ribbon Eel - North Sulawesi, Indonesia - 2017-06
The blue and black ribbon eels were once thought to be different species but are now considered to be the juvenile and adult stages of the same species.