Elysia sp. see the second image on how tiny is this little guy when compared to my finger nail! It's a sap-sucking slug which is also known as solar power mollusc. It steals chloroplasts from the algae and generates energy the same way as plants do. #eylsia #sapsucking #slug #solar #nudibranch #nudibranches #seaslug #macro #macrophotography #underwatermacro #underwaterphotography #underwater_world #marinelife #australianmarinelife #australia #sydney #wollongong #newsouthwales #olympustg5 (at Wollongong, New South Wales) https://www.instagram.com/p/Bzx618dnznd/?igshid=15cysr87d6dxa