http://www.nudipixel.net/photo/00011713/
i think , it is Berthella stellata from its morphology, not sure
size :1.2 cm
http://www.nudipixel.net/photo/00011678/
http://www.nudipixel.net/photo/00011712/
www.seaslugforum.net/factsheet.cfm?base=flabbico
intertidal, at the east coast
Shows a symbiotic relationship with anemones, it carries an anemone in its claws for protection