Larger individuals may, however, nibble at some more delicate crustaceans, such as cleaner shrimp. All fairy wrasses exhibit, to some degree, visible external differences between the sexes and sexual ...

I have spawned and attempted to rear the four most common species in the trade — S. splendidus, S. picturatus, S. ocellatus, and S. stellatus — and all exhibit sexual dimorphism and/or dichromatism ...