Chromodoris boucheti is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
This species was described from the Northern entrance to Longogoni Passage, Mayotte, Comoro Islands, Indian Ocean.
[1] It is distributed on the East African coast from Tanzania to South Africa and in the Indian Ocean from the Maldives to Indonesia.
The upper surface of the body is bluish white, with longitudinal black lines and yellow rhinophores.
Moreover, this species shows characteristic black markings running up from the base on the inside and outside edge of its gills.