Black And Gold Sapsucking Slug - Like so many other varieties of slugs, this particular species is often overlooked by divers because of its diminutive size. As the name suggests, it uses a very sharp tongue-like organ called a radula for feeding, sucking the sap out of seaweed.
Never before documented so far to the north - Spotted Nudibranch (Triopha maculata). The Marine Detective
The Thorny-back Cowfish (Lactoria fornasini) is a widespread tropical indo pacific species that is found along the east Australian coast as far south as Sydney. source: www.scuba-equipment-usa.com https://www.facebook.com/144196109068278/photos/a.168988406589048.1073741825.144196109068278/266517246836163/?type=3&theater