Glossodoris atromarginata

One of the most abundant nudibranchs around. It can sometimes be found in little clusters of smaller and bigger individuals.
 

Kalinga ornata

This nudibranch has inflated its body to be taken where the currents bring it. This means sometimes a better place to live and, unfortunately, sometimes it means the nudibranch is washed ashore.

Miamira magnifica

Hard to confuse this fantastically coloured nudibranch with any other one.

Phyllidia ocellata

Note the lack of gills on the back on this nudibranch, which is typical for this Family (Phyllidiidae). All species have a similar colour scheme.