Body smooth and dorso-ventrally flattened, brightly colored. Mantle ovate with a broad overhang of the edge, and the posterior end of the foot extending beyond the mantle when the animal is crawling. Rhinophores lamellated and the branchial plume located mid-dorsally in the posterior part of the notum.
notum with two whitish-blue bands and three wider black ones. All around there is a white band, followed by another wider of orange color, and a white edge. Rhinophores and gills darker orange than the band in the mantle edge.
common size :
usually 40-50 mm; the Mediterranean specimen measured 20 mm.
None of the species of Chromodoris of the Mediterranean Sea has a pattern of black and whitish-blue band, with orange rhinophores, gills and mantle edge.
BIOLOGY / ECOLOGY
This species, like other species of the family Chromodorididae, feeds on sponges.
the single specimen recorded in the Mediterranean was found at 30 m in depth, in a place close to several submarine springs (Cattaneo Vietti, 1986). In the Red Sea C. quadricolor can be found on coral reefs a few meters deep.