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 photos, they turned my "I think it could possibly be..." into a positive i.d.
Order: CEPHALASPIDEA
Colpodaspis thompsoni
Colpodaspis thompsoni |
Hydatina physis
Hydatina physis |
Micromelo undata
Micromelo undata |

Chelidonura amoena
Chelidonura amoena |

Chelidonura hirundinina
Chelidonura hirundinina |

Chelidonura inornata
Chelidonura inornata |

Chelidonura sp.
Chelidonura sp. |

Chelidonura varians
Chelidonura varians |

Navanax
Navanax inermis |

Philinopsis falciphallus
Philinopsis falciphallus |

Philinopsis pilsbryi
Philinopsis pilsbryi |

Philinopsis pilsbryi
Philinopsis pilsbryi |

Philinopsis speciosa
Philinopsis speciosa |

Sagaminopteron ornatum
Sagaminopteron ornatum |

Sagaminopteron psychedelicum
Sagaminopteron psychedelicum |

Siphopteron brunneomarginatum
Siphopteron brunneomarginatum |
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Order: SACOGLOSSA

Lettuce
Sea Slug
Elysia
crispata |

Hedgpeth's
Sea Hare
Elysia
hedgpethi |

Elysia
ornata
Elysia
ornata |

Thuridilla albopustulosa
Thuridilla albopustulosa |

Thuridilla gracilis
Thuridilla gracilis |

Thuridilla
hoffae
Thuridilla hoffae |
Plakobranchus
ocellatus
Plakobranchus
ocellatus |

Cyerce sp.
Cyerce sp. |

Cyerce sp.
Cyerce sp. |

Polybranchia
orientalis
Polybranchia
orientalis |

Costasiella kuroshimae
Costasiella kuroshimae |

Costasiella kuroshimae
Costasiella kuroshimae |
Order: ANASPIDEA
Aplysia
parvula
Aplysia
parvula |
Aplysia
parvula
Aplysia
parvula |
Aplysia pulmonica
Aplysia pulmonica |

Black
Sea Hare
Aplysia vaccaria |

Dolabella
auricularia
Dolabella auricularia |

Dolabrifera
dolabrifera
Dolabrifera dolabrifera |

Notarchus
indicus
Notarchus indicus |

Petalifera
ramosa
Petalifera
ramosa |

Stylocheilus striatus
Stylocheilus striatus |
Order: NOTASPIDEA
Berthella
martensi
Berthella martensi |

Berthellina
citrina
Berthellina citrina |

Euselenops
luniceps
Euselenops luniceps |

Pleurobranchus
grandis
Pleurobranchus grandis |

Pleurobranchus peroni
Pleurobranchus peroni |

Pleurobranchus peroni
Pleurobranchus peroni |

Pleurobranchus weberi
Pleurobranchus weberi |
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Order: NUDIBRANCHIA

Goniodoris
felis
Goniodoris
felis |

Okenia kendi
Okenia kendi |

Okenia kendi
Okenia kendi |

Trapania palmula
Trapania palmula |

Trapania scurra
Trapania scurra |

Trapania vitta
Trapania vitta |

Hudson's Dorid
Acanthodoris hudsoni |

Nanaimo Dorid
Acanthodoris nanaimoensis |

Acanthodoris pilosa
Acanthodoris pilosa |

Diaphorodoris lirulatocauda
Diaphorodoris lirulatocauda |

Palio dubia
Palio dubia |

Black Dorid
Polycera atra |

Three Colored Polycera
Polycera tricolor |

Thecacera picta
Thecacera picta |

Kaloplocamus acutus
Kaloplocamus acutus |

Cockerell's Dorid
Limacia cockerelli |
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