Halichoeres chloropterus
Encyclopedia
Halichoeres chloropterus, commonly known as Green pastel wrasse, is a Wrasse
Wrasse
The wrasses are a family, Labridae, of marine fish, many of which are brightly colored. The family is large and diverse, with over 600 species in 82 genera, which are divided into nine subgroups or tribes....

 from the Western Central Pacific. It occasionally makes its way into the aquarium trade. It grows to a size of 19 cm in length.
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