I owe a huge debt of gratitude to Dave Behrens and Terry Gosliner 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 i.d.

Order: NUDIBRANCHIA

Plocamopherus ceylonicus Plocamopherus ceylonicus	Plocamopherus ceylonicus Plocamopherus ceylonicus	Clown Nudibranch Triopha catalinae
Nembrotha chamberlaini Nembrotha chamberlaini	Nembrotha chamberlaini Nembrotha chamberlaini	Nembrotha chamberlaini Nembrotha chamberlaini
Nembrotha cristata Nembrotha cristata	Nembrotha kubaryana Nembrotha kubaryana	Nembrotha kubaryana Nembrotha kubaryana
Nembrotha lineolata Nembrotha lineolata	Nembrotha livingstonei Nembrotha livingstonei	Nembrotha livingstonei Nembrotha livingstonei
Nembrotha milleri Nembrotha milleri	Nembrotha mullineri Nembrotha mullineri	Nembrotha purpureolineolata Nembrotha purpureolineolata
Nembrotha purpureolineolata Nembrotha purpureolineolata	Nembrotha sp. 1 Nembrotha sp. 1	Nembrotha sp. 1 Nembrotha sp. 1
Nembrotha sp. 2 Nembrotha sp. 2	Nembrotha sp. 3 Nembrotha sp. 3	Roboastra gracilis Roboastra gracilis
Roboastra luteolineata Roboastra luteolineata	Tambja gabrielae Tambja gabrielae	Tambja limaciformis Tambja limaciformis
Tambja limaciformis Tambja limaciformis	Tambja morosa Tambja morosa	Gymnodoris aurita Gymnodoris aurita
Gymnodoris ceylonica Gymnodoris ceylonica	Gymnodoris citrina Gymnodoris citrina	Gymnodoris rubropapulosa Gymnodoris rubropapulosa
Aegires citrinus Aegires citrinus	Aegires minor Aegires minor	Aegires serenae Aegires serenae
Aegires villosus Aegires villosus	Aegires villosus Aegires villosus	Spanish Dancer Hexabranchus sanguineus
Spanish Dancer (juvenile) Hexabranchus sanguineus	Hallaxa hileenae Hallaxa hileenae	Asteronotus cespitosus Asteronotus cespitosus
Asteronotus mimeticus Asteronotus mimeticus	Atagema sp. Atagema sp.	Carminodoris flammea Carminodoris flammea
Diaulula nobilis Diaulula nobilis	San Diego Dorid Diaulula sandiegensis	Discodoris boholensis Discodoris boholensis
Discodoris cebuensis Discodoris cebuensis	Discodoris lilacina Discodoris lilacina	Discodoris lilacina Discodoris lilacina
Discodoris lilacina Discodoris lilacina	Discodoris lilacina Discodoris lilacina	Monterey Dorid Doris montereyensis
Monterey Dorid Doris montereyensis	Halgerda batangas Halgerda batangas	Halgerda batangas Halgerda batangas
Halgerda batangas Halgerda batangas	Halgerda tesselata Halgerda tesselata	Halgerda willeyi Halgerda willeyi
Halgerda willeyi Halgerda willeyi	Hoplodoris estrelyado Hoplodoris estrelyado	Hoplodoris nodulosa Hoplodoris nodulosa
Jorunna funebris Jorunna funebris	Jorunna funebris Jorunna funebris	Jorunna parva Jorunna parva
Jorunna rubescens Jorunna rubescens	Jorunna sp. Jorunna sp.	Paradoris liturata Paradoris liturata
Peltodoris mullineri Peltodoris mullineri	Platydoris ellioti Platydoris ellioti	Platydoris formosa Platydoris formosa
Platydoris formosa Platydoris formosa	Platydoris formosa Platydoris formosa	Platydoris sabulosa Platydoris sabulosa
Platydoris sabulosa Platydoris sabulosa	Platydoris sanguinea Platydoris sanguinea	Platydoris sanguinea Platydoris sanguinea
Platydoris sp. 1 Platydoris sp. 1	Platydoris sp. 2 Platydoris sp. 2	Platydoris sp. 3 Platydoris sp. 3
Rostanga sp. Rostanga sp.	Sclerodoris tuberculata Sclerodoris tuberculata	Sclerodoris tuberculata Sclerodoris tuberculata
Sclerodoris tuberculata Sclerodoris tuberculata	Taringa halgerda Taringa halgerda	Thordisa sp. Thordisa sp.
Thordisa villosa Thordisa villosa	Thordisa villosa Thordisa villosa	Ardeadoris egretta Ardeadoris egretta
Yellow Edged Cadlina Cadlina luteomarginata	Cadlinella ornatissima Cadlinella ornatissima	Cadlinella ornatissima Cadlinella ornatissima
Ceratosoma alleni Ceratosoma alleni	Ceratosoma gracillimum Ceratosoma gracillimum	Ceratosoma gracillimum Ceratosoma gracillimum
Ceratosoma sinuatum Ceratosoma sinuatum	Ceratosoma sinuatum Ceratosoma sinuatum	Ceratosoma sinuatum Ceratosoma sinuatum
Ceratosoma tenue Ceratosoma tenue	Ceratosoma trilobatum Ceratosoma trilobatum	Ceratosoma trilobatum Ceratosoma trilobatum