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Sea Slug Species Library

Explore the sea slug species we have encountered, photographed and documented.

MacroDivers Species Library

Browse the collection

Browse reviewed species pages with identification information and sightings published from MacroDivers records.

84 species profiles

Browse by genus

Aegires

Aegires sp 7Aegires sp 7Aegires villosusAegires villosusShaggy Aegires

Aplysia

Aplysia parvulaAplysia parvulaPygmy Sea Hare, Dwarf Sea Hare, Little Sea Hare, Mini Sea Hare

Atagema

Atagema spongiosaAtagema spongiosa

Baeolidia

Baeolidia moebiiBaeolidia moebiiMoebius' Big Aeolid

Bornella

Bornella anguillaBornella anguillaSnakey bornella or eel bornella

Cabangus

Cabangus regiusCabangus regiusRegal Nudibranch

Cadlinella

Cadlinella ornatissimaCadlinella ornatissima

Caloria

Caloria indicaCaloria indicaIndian Caloria

Ceratodoris

Ceratodoris kendiCeratodoris kendi

Ceratosoma

Ceratosoma gracillimumCeratosoma gracillimumSlender CeratosomaCeratosoma tenueCeratosoma tenueMany-lobed CeratosomaCeratosoma trilobatumCeratosoma trilobatumThree-lobed T-bar Nudibranch

Chelidonura

Chelidonura amoenaChelidonura amoenaLovely Headshield SlugChelidonura variansChelidonura variansBlue Velvet Sea Slug

Chromodoris

Chromodoris africanaChromodoris africanaAfrican chromodorisChromodoris alcalaiChromodoris alcalaiAlcala's ChromodorisChromodoris annaeChromodoris annaeAnna's ChromodorisChromodoris celinaeChromodoris celinaeCelina's NudibranchChromodoris colemaniChromodoris colemaniColeman's ChromodorisChromodoris dianaeChromodoris dianaeDiana's ChromodorisChromodoris hamiltoniChromodoris hamiltoniHamilton's ChromodorisChromodoris lochiChromodoris lochiLoch's chromodorisChromodoris magnificaChromodoris magnificaMagnificent ChromodorisChromodoris quadricolorChromodoris quadricolorPyjama slugChromodoris spChromodoris spChromodoris strigataChromodoris strigataStreaked ChromodorisChromodoris willaniChromodoris willaniWillan's Chromodoris

Costasiella

Costasiella kuroshimaeCostasiella kuroshimaeShaun the Sheep or Little Leaf-Sheep

Cratena

Cratena simbaCratena simba

Cyerce

Cyerce blackburnaeCyerce blackburnaeButterfly SeaslugCyerce nigraCyerce nigraTiger Sea Slug, Black Cyerce

Dendrodoris

Dendrodoris guttataDendrodoris guttataDendrodoris krusensterniiDendrodoris krusensterniiGem Doris

Dermatobranchus

Dermatobranchus albusDermatobranchus albusDermatobranchus fasciatusDermatobranchus fasciatusDermatobranchus fortunatusDermatobranchus fortunatusFortunate ArminaDermatobranchus funiculusDermatobranchus funiculus

Discodoris

Discodoris boholiensisDiscodoris boholiensisFlatworm DiscodorisDiscodoris cebuensisDiscodoris cebuensis

Diversidoris

Diversidoris croceaDiversidoris croceaSaffron Noumea

Doriprismatica

Doriprismatica stellataDoriprismatica stellataStarry Doriprismatica

Doto

Doto racemosaDoto racemosaDoto ussiDoto ussiBubble Nudibranch, Grape Doto

Elysia

Elysia furvacaudaElysia furvacaudaElysia marginataElysia marginataLeaf slugElysia nigropunctataElysia nigropunctataBlack-spotted elysia

Eubranchus

Eubranchus ocellatusEubranchus ocellatus

Favorinus

Favorinus mirabilisFavorinus mirabilis

Glossodoris

Glossodoris bukoGlossodoris bukoWhite Mantle GlossodorisGlossodoris rufomarginataGlossodoris rufomarginataCaramel Nudibranch

Goniobranchus

Goniobranchus kunieiGoniobranchus kuniei

Goniodoridella

Goniodoridella savignyiGoniodoridella savignyi

Gymnodoris

Gymnodoris impudicaGymnodoris impudicaShameless NudibranchGymnodoris inornataGymnodoris inornata

Halgerda

Halgerda batangasHalgerda batangasBatangas HalgerdaHalgerda wasinensisHalgerda wasinensisYellow-blocked nudibranchHalgerda willeyiHalgerda willeyiWilley's Halgerda

Hexabranchus

Hexabranchus sanguineusHexabranchus sanguineusSpanish Dancer

Hydatina

Hydatina physisHydatina physisBrown-lined bubble shell

Hypselodoris

Hypselodoris apolegmaHypselodoris apolegmaGiant HypselodorisHypselodoris bullockiiHypselodoris bullockiiBullock's HypselodorisHypselodoris emmaHypselodoris emmaEmma's HypselodorisHypselodoris iaculaHypselodoris iaculaMagical HypselodorisHypselodoris ibaHypselodoris ibaHypselodoris krakatoaHypselodoris krakatoaVolcano or Krakatoa nudibranchHypselodoris lacunaHypselodoris lacunaHypselodoris paradisaHypselodoris paradisaParadise HypselodorisHypselodoris reginaHypselodoris reginaQueen HypselodorisHypselodoris rooHypselodoris rooHypselodoris yaraeHypselodoris yaraeHypselodoris zephyraHypselodoris zephyraZephyr Hypselodoris

Janolus

Janolus savinkiniJanolus savinkini

Jorunna

Jorunna funebrisJorunna funebrisMourning DoridJorunna parvaJorunna parvaSea Bunny

Kaloplocamus

Kaloplocamus acutusKaloplocamus acutus

Martadoris

Martadoris amakusanaMartadoris amakusana

Mexichromis

Mexichromis multituberculataMexichromis multituberculataMexichromis trillineataMexichromis trillineataThree-line Purple Doris

Nembrotha

Nembrotha chamberlainiNembrotha chamberlainiChamberlain's NembrothaNembrotha lineolataNembrotha lineolataLined Nembrotha

Phyllidia

Phyllidia varicosaPhyllidia varicosaVaricose Wart Slug

Pleurobranchus

Pleurobranchus forskaliiPleurobranchus forskalii

Thecacera

Thecacera pictaThecacera picta