Pastel Ring Wrasse
Hologymnosus Doliatus
Reefs
Indian Ocean, Tropical Pacific
About
Overview
The Pastel Ring Wrasse is a slender, active marine fish widely distributed across the tropical Indo-Pacific. It is frequently observed in seaward reef environments, where it navigates areas characterized by a mix of sand, rubble, and coral.
Appearance
This species undergoes a dramatic transformation in appearance as it matures. Juveniles, often called "candycane" wrasse, are white with three distinct orange-red horizontal stripes. As they transition to the initial phase, females display a bluish, greenish, or greyish body marked by 20–23 orange vertical bars and a characteristic bluish-black spot on the gill cover. Terminal phase males are more vibrant, featuring a bluish-green to pale reddish body with lavender bars, orange facial markings, and a pale band behind the pectoral fin.
Distribution & habitat
Found throughout the Indo-Pacific, its range extends from East Africa and South Africa eastward to Samoa and the Line Islands, reaching as far north as Japan and south to the Great Barrier Reef and Lord Howe Island. They typically inhabit seaward reefs at depths ranging from the shallows down to at least 30 meters.
Biology & behavior
These wrasses exhibit distinct social behaviors based on age and sex. Juveniles and females are generally found in small groups near the bottom, while adult males are solitary and territorial, patrolling large sections of the reef. They are known to bury themselves in sandy substrates when threatened or to sleep. As hermaphrodites, they can change sex from female to male when social conditions require it.
Feeding
This carnivorous species feeds primarily on small fishes, which make up about half of its diet. It also consumes crustaceans, such as shrimp and crabs, as well as brittlestars and polychaete worms.
Distribution
Based on iNaturalist community observations