I really like
Wolf Eel, Carpet Eel Blenny - Congrogadus subducens
Snowflake Eel, Snowflake Moray Eel - Echidna nebulosa
Zebra Eel - Gymnomuraena zebra
Black Ribbon Eel, Black Ribbon Eel - Rhinomuraena quaesita
And
Blue Ribbon Eel, Black Ribbon Eel - Rhinomuraena quaesita
Could any of these...