european eel - anguilla anguilla is a species of eel, a snake-like, catadromous fish. they can reach a length of 1.5 m, juvenile

actinopterygii anguilla anguillidae anguilliformes animal aqua aquarium aquatic asian biology blue catadromous detail dolphin ecology eel european eye fish fishing fresh freshwater green juvenile lake long marine nature ocean pond river sargas sea shark single snake swim swimming thin underwater water wildlife zoology