^ A gorgeous flabellina, one of my favorite types of nudibranch
Raja Ampat is one of the finest diving destinations in the world, especially for macro. I found several I have never seen before, including this Miamira sinuata. Even the guide was excited to see it.
And this super cool one, which was about 1/4″ long, commonly called a psychedelic batwing (scientific name Sagaminopteron psychedelicum).
We also saw several species of Nembrotha, including this Nembrotha cristata:
As well as several types of flatworms, including this beautiful frilly Orsak’s flatworm:
Many more in the gallery below: