Cleaner Wrasse Care Guide
Labroides dimidiatus · Saltwater Wrasse
What Cleaner Wrasse look like
The Cleaner Wrasse (Labroides dimidiatus) exhibits a streamlined, elongated body that can reach a maximum adult size of approximately 4 inches (10 cm). Its coloration is striking, characterized by a blue body with a prominent yellow stripe running laterally from the head to the tail, and a white ventral surface. Sexual dimorphism is subtle, with males typically displaying slightly larger sizes and more vibrant coloration than females. This species possesses a distinctive set of dentition, featuring small, sharp teeth adapted for removing parasites from other fish, which is central to its cleaning behavior. Additionally, the presence of a lateral line system allows for enhanced sensory perception in its reef environment, aiding in navigation and predator detection.
Behavior & temperament
Cleaner Wrasses are known for their mutualistic behavior, establishing 'cleaning stations' where they interact with various reef fish species. They exhibit a social hierarchy, often with dominant individuals maintaining control over these stations. Typically found in the upper water column, they are highly active swimmers, displaying a curious and non-aggressive temperament towards their clients. Breeding behavior involves complex courtship displays, and they are known to form temporary pairs during spawning events. Their cleaning behavior is characterized by a rhythmic movement and polyp extension, where they use their mouths to remove ectoparasites and dead tissue from the skin of larger fish, which in turn provides them with a food source.
Diet & feeding
In the wild, the Cleaner Wrasse primarily feeds on ectoparasites, dead tissue, and mucus from other fish, making it an obligate cleaner. In captivity, they require a varied diet that includes high-quality frozen or live foods such as brine shrimp, mysis shrimp, and specialized cleaning fish pellets to ensure proper nutrition.
Behind the name
The genus name 'Labroides' is derived from the Greek word 'labros', meaning 'thick' or 'broad', and the suffix '-oides', meaning 'like' or 'resembling', referring to its resemblance to other wrasses. The species name 'dimidiatus' comes from the Latin word 'dimidiatus', meaning 'half' or 'divided', likely referencing its distinctive coloration.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Cleaner Wrasse?
AquaLens identifies your fish and plants from a photo, tracks water chemistry, and flags health issues early — free on iOS and Android.
