The Belongas dive site Gili Sarang features incredible small creatures such as Harlequin Shrimp, Pygmy Seahorses, a multitude of Nudibranch as well as big fish action. (twofishdivers.com)
Padang Bai is also just 1 hour drive from Sanur; its ease of access is great to discover muck diving, and learn about critters such as Nudibranchs, Octopus, Mantis shrimp, etc... (twofishdivers.com)
We also see Spiny Lobsters as well as different Nudibranchs inside of the caverns. (kauaidownunderscuba.com)