Polycera aurisulaPolycera aurisula is a species of sea slug, a nudibranch, a marine gastropod mollusk in the family Polyceridae.DistributionThis species of polycerid nudibranch was described from Brazil. It is found on the American coast as far north as Florida.DescriptionThe body of Polycera aurisula is translucent white with small brown spots densely covering the back and sides. The oral veil has 4-6 tapering papillae which are white with a yellow band near the base, a dark blue band at the midpoint and a light blue tip.EcologyPolycera aurisula feeds on the bryozoan Amathia distans Busk, 1886.