Cirrhilabrus pylei, commonly called the blue-margin fairy-wrasse or Pyle's wrasse,[1] is a species of fairy wrasse. It can be found in depths of in Indonesia, Papua New Guinea, Solomon Islands and Vanuatu; reports from the Philippines is due to confusion with C. briangreenei.[2] C. pylei can be kept in aquariums and is known for its peaceful temperament. The fish has also been known to jump from tanks.
C. pylei has a typical adult length of .[3] The species has 11 dorsal spines, nine dorsal soft rays, 3 anal spines, and 9 anal soft rays. The species has a coloration of peach to salmon.[4] Until 2020, it was commonly confused with C. briangreenei of the Philippines; the most distinct differences are that adult males of C. briangreenei have a large blackish spot on the dorsal fin and a blackish tip of the tail, which are lacking in C. pylei.[2] [5]
The species is carnivorous and in an aquarium setting it will feed on small animal prey like brine shrimp and mysis shrimp.[6]
The specific name of this fish honours the ichthyologist Richard Pyle. of the Bishop Museum (Honolulu), who collected type specimen.[7]