eel   Moray eel Scientific classification Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Superorder: Elopomorpha Order: Anguilliformes Family: Muraenidae Genera See text. Moray eels are large cosmopolitan eels of the family Muraenidae . There are approximately 200 species in 15 genera. The typical length of a moray is 1.5 m (5 ft