Dendrodoridae

Some Dendrodoris species with tubercles have mantle secretions that cause painful stings.



Phyllididae

Although the main gills have disappeared in this order, the pouch in which they could be retracted remains. A secondary set of gills exists under the mantle.
This group are extremely toxic due to the isocyanides that they take from their prey. The isocyanides can be secreted into the surrounding water is stress situations.















