It depends on how much you feed, sometimes they grow and mature quickly, 6 months or so, other times it takes a bit longer. The coloration changes as it grows, so it will stay in its juvi for for a few months or so, then start to take on its adult coloration more and more. These do get big and there is some concern, as always with some of the wrasses, that it will eat ornimental shrimp etc... its also a fairly aggressive wrasse, so add another similar shape wrasses with caution.
Adult
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Juvi
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And some info..
Common Name
Clown Wrasse
Family
Labridae
Coris Gaimardi
Location
This fish is located in the warm ocean climates of the Indo-Pacific.
Size
Up to 8 inches (20cm)
Temperature Zone
74-80F (22-27C)
Diet
Natural foods consist of plankton, and other small sea-life. In captivity this fish is usually very easy to feed and will accept flaked foods, and frozen/chopped seafood.
General Information
This is a very popular aquarium fish. The color change that the clown wrasse (and its’ cousins) go through is very interesting to watch. Just like some of the angelfish, this wrasse completely changes color and patterns until full adulthood. The young look more like a clown anemone fish with an orange body covered in white blotches that are circled in black. The adult is much darker and has many more smaller dots on the body color that is now more purple or blue instead of orange
Tips
This fish is a good choice for informed hobbyists who want some excitement. Overall, a very beautiful, easy to care for, and very entertaining fish. The clown is generally a well-mannered fish and won’t disturb others. The clown wrasse only needs a clean, soft sand substrate to be comfortable.
