Fryeria menindie

Scientific name : Fryeria menindie

Hard back, no gills, large scattered tubercles. Tha background colour is black, blue at the basis of tubercles, yellow at the tip of tubercles and rhynophores. 3 cm.
Similar to Phyllidia coelestis and Phyllidia varicosa. It is smaller than both (in the maximum size). The prominent tubercles are not arranged in ridges, like in both the other species (more common).

Associated organisms
With sponges, its food.