Hologymnosus annulatus, commonly known as the Ringed Wrasse, is a visually stunning marine fish prized for its vibrant colours and dynamic swimming behaviour. This large wrasse species is best suited to experienced hobbyists with spacious, well-established marine aquariums.
Care Level: Moderate to advanced care is recommended due to its size and active nature.
Temperament and Compatibility: Generally peaceful but can be territorial, especially towards smaller or more passive tankmates. Best housed with similarly sized or robust species. Avoid keeping with very small or timid fish.
Diet: Carnivorous; thrives on a varied diet including meaty foods such as mysis shrimp, brine shrimp, chopped seafood, and specialised marine pellets. Feeding multiple times daily is beneficial.
Minimum Tank Size: A minimum of 180 litres (approximately 50 gallons) is advised to provide ample swimming space and reduce territorial behaviour.
Lighting and Water Flow: Standard marine aquarium lighting is sufficient. Moderate water flow mimicking natural reef currents is ideal to encourage natural activity.
Placement: Provide plenty of live rock for hiding and territory establishment. This species appreciates open swimming areas combined with secure shelter.
Origin: Not Provided.
Maximum Size: Up to 25 cm (10 inches) in length.
Reef Safety: With Caution – may prey on small invertebrates and fish; not recommended for delicate reef tanks.
Overall, the Hologymnosus annulatus is a spectacular addition for marine aquarists seeking an active and colourful wrasse. Proper tank size, diet, and compatible tankmates are essential for its wellbeing.



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