Appearance
The yellow-spot cadlina is charactered by its ovate, translucent, white mantle with distinctive, brown to black rhinophores. A series of large, yellow spots (mantle glands) can be seen on each side of the mantle. Some reported specimens also show a yellow border to the mantle, but this is not found in all individuals. The color of branchia (gills) is white to yellow. Its reported length is 15 mm.

