All sea slugs and only sea slugs.
All names are from the book
Debelius Nudibranchs & Sea Snails, Indo-Pacific Guide
If there is a question mark it means I couldn't find a satifactory match.

Stateside '07
Hawaii '06
Utah '07-'08 Sapporo '08 Pohnpei '08 Maldives '08 Germany '09 Kyoto '10 Thailand '10 Guam '11   Dream House Plans
 
Bornella anguilla, Rukan Atoll, Oki
Chromodoris ?, Rukan Atoll, Oki
Possibly a Chromodoris mimicking a Phyllidiopsis?, Bolo Pt, Oki
Possibly a Chromodoris mimicking a Phyllidiopsis?, Bolo Pt, Oki
Nudibranch Egg Cluster, Bolo Pt, Oki
Janolus ?, Bolo Pt, Oki
Chromodoris willani, Bolo Pt, Oki
? , Bolo Pt, Oki
Chromodoris willani, Bolo Pt, Oki
Hexabranchus sanguineus(Spanish Dancer), Maeda Pt, Oki
Hexabranchus sanguineus(Spanish Dancer), Maeda Pt, Oki
Hypselodoris bullockii, Maeda Pt, Oki
Janolus ?, Maeda Pt, Oki
Hipselodoris maculosa?, Maeda Pt, Oki With a strange growth next to it's branchials
Phyllidia exquisita?, Maeda Pt, Oki
Halgerda ?, laying eggs, Maeda Pt, Oki
Hypselodoris bullockii, Maeda Pt, Oki
Chromodoris kuniei, Bolo Pt, Oki
Chromodoris willani, Keramas Is, Oki
Glossodoris astromarginata, Palau
Gymnodoris ?, Kadena Steps, Oki
Notodoris citrina?, Kadena Steps, Oki
Notodoris citrina?, Sunabe Sea Wall, Oki
Notodoris citrina?, Sunabe Sea Wall, Oki
Pleurobranchus Forskali, Maeda Pt, Oki
Pleurobranchus Forskali, Maeda Pt, Oki
Pleurobranchus Forskali, Maeda Pt, Oki
with hand to show scale
Hypselodoris bullockii, Kadena Steps, Oki
Janolus ?, Bolo Pt, Oki
Janolus ?, Sunabe Sea Wall, Oki
Nudibranch Egg Cluster
Hypselodoris bullockii, Bolo Pt, Oki
Chromodoris ?, Bolo Pt., Oki
Chromodoris tinctoria, Maeda Pt, Oki
Gymnodoris ceylonica, Bolo Pt, Oki
Flatworm
Chromodoris Magnifa, Bolo Pt, Oki
Sagaminopteron oratum?, Sunabe sea wall, Oki
Tambja morosa, Sunabe Sea wall, Oki
Nudibranch Egg Cluster
Orodoris miamirana, Okuma, Oki
Chromodoris lochi, Sunabe Sea Wall, Oki
Chromodoris lochi, Maeda Pt, Oki
Chromodoris ?, Kadena N., Oki
Chromodoris annae, Yap
Flatworm
Chromodoris kuniei, Yap
Nudibranch Egg Cluster
Ardeadoris egretta, Maeda Pt, Oki
Flatworm
Nudibranch Egg Cluster
Chromodoris ?, Kadena Steps, Oki
Hexabranchus sanguineus(Spanish Dancer), Maeda Pt, Oki
Hexabranchus sanguineus(Spanish Dancer), Tokashiki Is, Oki
Glossodorris rufomarginatus, MaedaPt, Oki
Phyllodesmium longicirrum, WTP, Oki
Phyllodesmium longicirrum, WTP, Oki
Pteraeolidia ianthina, WTP, Oki
Pteraeolidia ianthina, WTP, Oki
Flatworm
Flatworm
Halgerda ?, Keramas Is, Oki
Phyllidia ocellata, Okuma, Oki
Thecacera picta, Maldives
Flatworm
Roboastra luteolineolata, Pinnacles, Oki
Nembrotha Lineolata, Keramas Is, Oki
Phyllidia ?, Keramas Is, Oki
Philinopsis Gardineri, Shark Is, Oki
Risbecia ?, Keramas Is, Oki
Phyllidia coelestis, Junk Yard, Oki
The largest I've seen. 5" long.
Halgerda tesselata, Thailand
Nembrotha ?, Thailand
Phyllidia ocellata, Thailand
Chelidonura Punctata, Thailand
Chromodoris annulata, Thailand
Flatworm
Roboastra luteolineolata, WTP, Oki
Nudibranch Egg Cluster, Maeda Pt