I owe a huge debt of gratitude to Terry Gosliner and Dave Behrens for their incredibly helpful assistance in identifying my nudibranch photos. For the vast majority of my shots, they turned my "I think it could possibly be..." into a positive ID.

Philippines (Page 5)

Like Nudibranchs, the following are Opisthobranchs:

Aplysia juliana Aplysia juliana	Aplysia nigrocincta Aplysia nigrocincta	Aplysia nigrocincta Aplysia nigrocincta
Aplysia nigrocincta Aplysia nigrocincta	Aplysia oculifera Aplysia oculifera	Aplysia oculifera Aplysia oculifera
Atys naucum Atys naucum	Berthella sp. Berthella sp.	Berthellina delicata Berthellina delicata
Berthellina delicata Berthellina delicata	Biuve cf. fulvipunctata Biuve cf. fulvipunctata	Bulla ampulla Bulla ampulla
Bulla orientalis Bulla orientalis	Chelidonura alexisi Chelidonura alexisi	Chelidonura amoena Chelidonura amoena
Colpodaspis thompsoni Colpodaspis thompsoni	Colpodaspis thompsoni Colpodaspis thompsoni	Costasiella kuroshimae Costasiella kuroshimae
Costasiella kuroshimae Costasiella kuroshimae	Costasiella usagi Costasiella usagi	Cyerce elegans Cyerce elegans
Cyerce sp. 1 Cyerce sp. 1	Cyerce sp. 2 Cyerce sp. 2	Dolabella auricularia Dolabella auricularia
Dolabella auricularia Dolabella auricularia	Dolabrifera dolabrifera Dolabrifera dolabrifera	Elysia marginata Elysia marginata
Elysia marginata Elysia marginata	Elysia obtusa Elysia obtusa	Elysia pusilla Elysia pusilla
Elysia pusilla Elysia pusilla	Elysia sp. 1 Elysia sp. 1	Elysia sp. 1 Elysia sp. 1
Elysia sp. 1 Elysia sp. 1	Elysia sp. 2 Elysia sp. 2	Elysia sp. 2 Elysia sp. 2
Elysia sp. 3 Elysia sp. 3	Elysia tomentosa Elysia tomentosa	Euselenops luniceps Euselenops luniceps
Euselenops luniceps Euselenops luniceps	Euselenops luniceps (juvenile) Euselenops luniceps	Gastropteron bicornutum Gastropteron bicornutum
Gastropteron multo Gastropteron multo	Hydatina physis Hydatina physis	Hydatina zonata Hydatina zonata
Lobiger sp. Lobiger sp.	Lobiger sp. Lobiger sp.	Micromelo barbarae Micromelo barbarae
Mourgona sp. Mourgona sp.	Mourgona sp. Mourgona sp.	Notarchus indicus Notarchus indicus
Notarchus indicus Notarchus indicus	Petalifera ramosa Petalifera ramosa	Philinopsis ctenophoraphaga Philinopsis ctenophoraphaga
Philinopsis speciosa Philinopsis speciosa	Philinopsis speciosa Philinopsis speciosa	Plakobranchus ocellatus Plakobranchus ocellatus
Plakobranchus ocellatus (juvenile) Plakobranchus ocellatus	Plakobranchus papua Plakobranchus papua	Plakobranchus sp. Plakobranchus sp.
Pleurobranchaea brockii Pleurobranchaea brockii	Pleurobranchus albiguttatus Pleurobranchus albiguttatus	Pleurobranchus forskalii Pleurobranchus forskalii
Pleurobranchus forskalii Pleurobranchus forskalii	Pleurobranchus forskalii Pleurobranchus forskalii	Pleurobranchus grandis Pleurobranchus grandis
Pleurobranchus mamillatus Pleurobranchus mamillatus	Pleurobranchus peronii Pleurobranchus peronii	Pleurobranchus peronii Pleurobranchus peronii
Pleurobranchus peronii (juvenile) Pleurobranchus peronii	Pleurobranchus varians Pleurobranchus varians	Pleurobranchus weberi Pleurobranchus weberi
Pleurobranchus weberi Pleurobranchus weberi	Polybranchia orientalis Polybranchia orientalis	Sagaminopteron ornatum Sagaminopteron ornatum
Sagaminopteron ornatum Sagaminopteron ornatum	Sagaminopteron psychedelicum Sagaminopteron psychedelicum	Sagaminopteron psychedelicum Sagaminopteron psychedelicum
Sagaminopteron sp. Sagaminopteron sp.	Siphopteron brunneomarginatum Siphopteron brunneomarginatum	Spinoaglaja orientalis Spinoaglaja orientalis
Spinophallus falciphallus Spinophallus falciphallus	Stylocheilus striatus Stylocheilus striatus	Stylocheilus striatus Stylocheilus striatus
Thuridilla albopustulosa Thuridilla albopustulosa	Thuridilla gracilis Thuridilla gracilis	Thuridilla hoffae Thuridilla hoffae
Tomoberthella martensi Tomoberthella martensi	Tubulophilinopsis pilsbryi Tubulophilinopsis pilsbryi	Tubulophilinopsis pilsbryi Tubulophilinopsis pilsbryi
Tubulophilinopsis pilsbryi Tubulophilinopsis pilsbryi	Tubulophilinopsis reticulata Tubulophilinopsis reticulata	Tylodina sp. Tylodina sp.