The body of this nudibranch is translucent white with yellow processes and a yellow line along the ridge of the tail. The oral veil has eight or more yellow projections. The
gills and
rhinophores are translucent white, tipped with yellow. Alongside the gills the pallial margin is expanded and gives rise to a pair or a series of yellow-tipped projections. Some individuals have yellow spots or lines on the body. The animal may reach 30mm in total length. It is distinguished from
Polycera quadrilineata in having more than six processes on the oral veil and a more squat body shape. ==Ecology==