Has a more typical muraenid head than R. quaesita.

Description: Characterized by pale grey color, shading to white ventrally; small black spots on head; narrow white margins on fin; laterally compressed long body; body depth at gill opening 39-56 in TL; dorsal fin nearly as high as body depth; origin of dorsal fin between corner of mouth and gill opening; preanal length 2.1-2.3 in TL; small, compressed teeth slanting backward; male with single row of teeth; female with inner row of teeth at side of upper jaw and front of lower jaw (Ref. 90102).