Sea Slugs in Jogashima 507

Goniobranchus katoi

(Baba, 1938)

Tambja amakusana

Baba, 1987

Pupa strigosa

(A. A. Gould, 1859)

Verconia nivalis

(Baba, 1937)

Mexichromis macropus

Rudman, 1983

Decorifer insignis

(Pilsbry, 1904)

Hypselodoris festiva

(A. Adams, 1861)

Elysia atroviridis

Baba, 1955

Elysia marginata

(Pease, 1871)

Elysia trisinuata

Baba, 1949

Tambja sagamiana

(Baba, 1955)

Goniobranchus sp.16

Facelinidae sp. 1

Ringicula doliaris

A. A. Gould, 1860

Aplysia kurodai

(Baba, 1937)

Ceratodoris barnardi

(Baba, 1937)

Sakuraeolis enosimensis

(Baba, 1930)

Abronica purpureoanulata

(Baba, 1961)

Doto purpurea

Baba, 1949

Tenellia sp.90

Placida babai

Ev. Marcus, 1982

Ceratodoris hiroi

(Baba, 1938)

Verconia purpurea

(Baba, 1949)

Favorinus sp. 2

Nihonbranchus horii

(Baba, 1960)

Discodorididae spp.

Tritoniopsis elegans

(Audouin, 1826)

Thuridilla splendens

(Baba, 1949)

Stiliger aureomarginatus

K. R. Jensen, 1993

Goniodoridella borealis

Martynov, Sanamyan & Korshunova, 2015

Pelagella joubini

(Risbec, 1928)

Chromodoris orientalis

Rudman, 1983

Mexichromis mariei

(Crosse, 1872)

Samla takashigei

Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017

Goniobranchus aureopurpureus

(Collingwood, 1881)

Miamira flavicostata

Baba, 1940

Runcinida sp. 1

Placida kevinleei

McCarthy, Krug & Á. Valdés, 2017

Sclerodoris rubicunda

(Baba, 1949)

Thordisa sanguinea

Baba, 1955

Goniobranchus sinensis

(Rudman, 1985)

Hypselodoris maritima

(Baba, 1949)

Doriopsilla miniata

(Alder & Hancock, 1864)

Hantazuia yugoikedai

Korshunova, Fletcher & Martynov, 2025

Leostyletus misakiensis

(Baba, 1960)

Antonietta janthina

Baba & Hamatani, 1977

Jorunna parva

(Baba, 1938)

Doridoidea spp.

Antonietta sp. 1

Eubranchus sp.24

Aeolidina sp. 4

Sagaminopteron ornatum

Tokioka & Baba, 1964

Tambja pulcherrima

Willan & Y.-W. Chang, 2017

Ancula kariyana

Baba, 1990

Glossodoris misakinosibogae

Baba, 1988

Dermatobranchus ornatus

(Bergh, 1874)

Dermatobranchus otome

Baba, 1992

Eubranchus mimeticus

Baba, 1975

Phyllodesmium serratum

(Baba, 1949)

Baeolidia salaamica

(Rudman, 1982)

Tenellia pupillae

(Baba, 1961)

Pteraeolidia semperi

(Bergh, 1870)

Ercolania sp. 2

Atagema sp. 2

Martadoris sp. 2

Liloa porcellana

(A. A. Gould, 1859)

Acteon sieboldii

(Reeve, 1842)

Aeolidina sp.15

Tritonia sp. 6

Plocamopherus imperialis

Angas, 1864

Tambja morosa

(Bergh, 1877)

Tyrannodoris sp. 1

Pelagella castanea

(Alder & Hancock, 1845)

Pelagella felis

(Baba, 1949)

Diaphorodoris mitsuii

(Baba, 1938)

Carminodoris armata

Baba, 1993

Rostanga orientalis

Rudman & Avern, 1989

Ceratosoma trilobatum

(J. E. Gray, 1850)

Goniobranchus roboi

(Gosliner & Behrens, 1998)

Hypselodoris placida

(Baba, 1949)

Dendrodoris arborescens

(Collingwood, 1881)

Dendrodoris guttata

(Odhner, 1917)

Dermatobranchus nigropunctatus

Baba, 1949

Doto pacifica

Baba, 1949

Doto pita

Er. Marcus, 1955

Doto cf. racemosa

Risbec, 1928

Facelina bilineata

Y. Hirano & M. Ito, 1998

Tenellia ornata

(Baba, 1937)

Cerberilla sp. 4

Tenellia sp. 8

Elysia sp.10

Philine sp. 1

Unidentia nihonrossija

Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017

Placida daguilarensis

K. Jensen, 1990

Runcinida sp. 2

Eubranchus sp.25

Melanochlamys kohi

S. Cooke, Hanson, Y. Hirano, Ornelas-Gatdula, Gosliner, A. V. Chernyshev & Á. Valdés, 2014

Aplysia japonica

G. B. Sowerby II, 1869

Decorifer matusimanus

(Nomura, 1940)

Bulloidea spp.

Jorunna sp. 7

Hermania orca

(Gosliner, 1988)

Philine orientalis

A. Adams, 1855

Tubulophilinopsis lineolata

(H. Adams & A. Adams, 1854)

Elysia amakusana

Baba, 1955

Thuridilla livida

(Baba, 1955)

Costasiella formicaria

(Baba, 1959)

Stiliger berghi

Baba, 1937

Polycera fujitai

Baba, 1937

Polycera hedgpethi

Er. Marcus, 1964

Polycera sp. 1

Okenia babai

Hamatani, 1961

Okenia echinata

Baba, 1949

Bermudella japonica

(Baba, 1949)

Idaliadoris sp. 1

Platydoris ellioti

(Alder & Hancock, 1864)

Jorunna sp. 3

Jorunna hervei

Innabi, Stout & Á. Valdés, 2023

Hallaxa cryptica

Gosliner & S. Johnson, 1994

Chromodoris sp. 6

Goniobranchus collingwoodi

(Rudman, 1987)

Glossodoris rufomarginata

(Bergh, 1890)

Dermatobranchus primus

Baba, 1976

Launsina tanyae

Ekimova, Carmona, Mikhlina, Grishina, Stanovova, Schepetov, Hoover, De Souza-Canal, K. O. Kuznetsov & Á. Valdés, 2026

Eubranchopsis virginalis

Baba, 1949

Cratena lineata

(Eliot, 1905)

Phyllodesmium opalescens

Rudman, 1991

Sakuraeolis gerberina

Y. Hirano, 1999

Sakuraeolis sakuracea

Y. Hirano, 1999

Protaeolidiella atra

Baba, 1955

Catriona pinnifera

(Baba, 1949)

Facelinidae sp. 7

Polycera abei

(Baba, 1960)

Eubranchus cf. leopoldoi

Caballer, Ortea & Espinosa, 2001

Tenellia sp.56

Melanochlamys fukudai

S. Cooke, Hanson, Y. Hirano, Ornelas-Gatdula, Gosliner, A. V. Chernyshev & Á. Valdés, 2014

Tenellia sp.19

Leostyletus spp.

Trinchesiidae sp. 1

Aeolidina sp. 3

Japonactaeon sp. 1

Rostanga cf. bifurcata

Rudman & Avern, 1989

Doriopsilla sp. 2

Acteocina fusiformis

(A. Adams, 1850)

Philine sp. 3

Japonactaeon sp. 2

Unknown Species

Babakina indopacifica

Gosliner, Gonzalez-Duarte & Cervera, 2007

Chelidonura hirundinina

(Quoy & Gaimard, 1833)

Gastropteron minutum

Ong & Gosliner, 2017

Metaruncina setoensis

(Baba, 1954)

Aplysia oculifera

A. Adams & Reeve, 1850

Aplysia sagamiana

Baba, 1949

Bursatella leachii

Blainville, 1817

Elysia sp. 2

Elysia sp. 7

Mourgona sp. 2

Alderia modesta

(Loven, 1844)

Stiliger sp. 1

Sacoproteus smaragdinus

(Baba, 1949)

Stiliger sp. 2

Aplysiopsis minor

(Baba, 1959)

Palio amakusana

Baba, 1960

Crimora lutea

Baba, 1949

Kaloplocamus dokte

Vallès & Gosliner, 2006

Kaloplocamus albopunctatus

J.C. Wei & L.F. Kong, 2023

Nembrotha lorosae

Pola, Paz-Sedano, Martín, L. Warren, Noble & Martín-Hervás, 2026

Vayssierea felis

(Collingwood, 1881)

Bermudella distincta

(Baba, 1940)

Bermudella pellucida

(Burn, 1967)

Aegires villosus

Farran, 1905

Gymnodoris alba

(Bergh, 1877)

Gymnodoris impudica

(Rüppell & Leuckart, 1830)

Aldisa cooperi

Robilliard & Baba, 1972

Discodoris pardalis

(Alder & Hancock, 1864)

Homoiodoris japonica

Bergh, 1882

Jorunna ramicola

M. C. Miller, 1996

Doriopsilla sp. 1

Cadlinella ornatissima

(Risbec, 1928)

Ceratosoma tenue

Abraham, 1876

Hypselodoris sagamiensis

(Baba, 1949)

Verconia subnivalis

(Baba, 1987)

Thorunna florens

(Baba, 1949)

Janolus toyamensis

Baba & Abe, 1970

Doto japonica

Odhner, 1936

Caloria indica

(Bergh, 1896)

Favorinus perfoliatus

Baba, 1949

Bulbaeolidia alba

(Risbec, 1928)

Limenandra fusiformis

(Baba, 1949)

Baeolidia japonica

Baba, 1933

Cerberilla albopunctata

Baba, 1976

Tenellia beta

(Baba & Abe, 1964)

Tenellia puellula

(Baba, 1955)

Verconia sp. 1

Hydatina physis

(Linnaeus, 1758)

Hydatina zonata

([Lightfoot], 1786)

Ceratodoris tenuifibrata

(Paz-Sedano & Pola, 2021)

Tritoniopsis cf. frydis

Anteaeolidiella takanosimensis

(Baba, 1930)

Tenellia sp.21

Tenellia sp.70

Catriona osezakiensis

Martynov, Korshunova, Lundin, Malmberg, 2022

Tenellia sp. 4

Tenellia sp.67

Tenellia sp.33

Tritonia sp. 4

Coryphellina sp. 4

Tenellia sp.23

Vellicolla muscaria

(A. A. Gould, 1859)

Facelinidae sp. 8

Tenellia sp.57

Eubranchus sp.26

Hypselodoris sp. 6

Dendronotus sp. 5

Coryphellina sp. 5

Aplysia sp. 3

Antonietta sp. 4

Doris sp. 3

Trapania sp.22

Tambja gabrielae

Pola, Cervera & Gosliner, 2005

Thuridilla vataae

(Risbec, 1928)

Colpodaspis thompsoni

G. H. Brown, 1979

Atys semistriatus

Pease, 1860

Haloa japonica

(Pilsbry, 1895)

Haminoeidae sp. 2

Retusa concentrica

(A. Adams, 1850)

Retusa succincta

(A. Adams, 1862)

Biuve fulvipunctata

(Baba, 1938)

Nakamigawaia spiralis

Kuroda & T. Habe, 1961

Philinopsis gigliolii

(Tapparone Canefri, 1874)

Philinopsis speciosa

Pease, 1860

Siphopteron fuscum

(Baba & Tokioka, 1965)

Aplysia juliana

Quoy & Gaimard, 1832

Aplysia nigrocincta

E. von Martens, 1880

Dolabella auricularia

([Lightfoot], 1786)

Petalifera punctulata

(Tapparone Canefri, 1874)

Elysia rufescens

(Pease, 1871)

Elysia sp.16

Ercolania boodleae

(Baba, 1938)

Aplysiopsis nigra

(Baba, 1949)

Hermaea noto

(Baba, 1959)

Pleurehdera sp. 1

Berthellina delicata

(Pease, 1861)

Pleurobranchus peronii

Cuvier, 1804

Kaloplocamus acutus

Baba, 1949

Limacia ornata

(Baba, 1937)

Plocamopherus ceylonicus

(Kelaart, 1858)

Nembrotha lineolata

Bergh, 1905

Roboastra gracilis

(Bergh, 1877)

Naisdoris sp. 5

Ceratodoris pilosa

(Bouchet & Ortea, 1983)

Trapania sp.21

Aldisa pikokai

Bertsch & S. Johnson, 1982

Doriopsis pecten

(Collingwood, 1881)

Doris sugashimae

(Baba, 1998)

Doris viridis

(Pease, 1861)

Atagema intecta

(Kelaart, 1858)

Atagema spongiosa

(Kelaart, 1858)

Carminodoris bifurcata

Baba, 1993

Discodoris cebuensis

Bergh, 1877

Tayuva lilacina

(A. A. Gould, 1852)

Rostanga risbeci

Baba, 1991

Sclerodoris apiculata

(Alder & Hancock, 1864)

Discodorididae sp. 3

Sebadoris fragilis

(Alder & Hancock, 1864)

Actinocyclus papillatus

(Bergh, 1878)

Goniobranchus hintuanensis

(Gosliner & Behrens, 1998)

Goniobranchus setoensis

(Baba, 1938)

Goniobranchus tumuliferus

(Collingwood, 1881)

Glossodoris buko

S. B. Matsuda & Gosliner, 2018

Hypselodoris kaname

Baba, 1994

Verconia alboannulata

(Rudman, 1986)

Verconia hongkongiensis

(Rudman, 1990)

Verconia varians

(Pease, 1871)

Dendrodoris krusensternii

(J. E. Gray, 1850)

Dendrodoris fumata

(Rüppell & Leuckart, 1830)

Phyllidia varicosa

Lamarck, 1801

Dermatobranchus albopunctulatus

Baba, 1976

Dermatobranchus semistriatus

Baba, 1949

Dermatobranchus striatellus

Baba, 1949

Madrella ferruginosa

Alder & Hancock, 1864

Madrella gloriosa

Baba, 1949

Marionia olivacea

Baba, 1937

Tritonia festiva

(Stearns, 1873)

Tritonia sp. 1

Kabeiro sp. 2

Embletonia gracilis

Risbec, 1928

Eubranchus inabai

Baba, 1964

Cratena sp. 2

Facelina quadrilineata

(Baba, 1930)

Glaucus atlanticus

Forster, 1777

Setoeolis inconspicua

(Baba, 1938)

Cerberilla asamusiensis

Baba, 1940

Cerberilla sp. 1

Spurilla braziliana

MacFarland, 1909

Cadlinella subornatissima

Baba, 1996

Diaphorodoris sp. 2

Pelagella sp. 3

Bullina lineata

(J. E. Gray, 1825)

Eubranchus sp. 3

Murphydoris sp. 3

Marionia sp. 2

Tenellia sp.22

Phyllodesmium undulatum

E. Moore & Gosliner, 2014

Doto spp.

Aeolidina spp.

Tenellia sp.69

Unidentia sp. 2

Bulla sp. 1

Thecacera sp. 7

Gymnodoris sp.16

Catriona signifera

Baba, 1961

Murphydoris puncticulata

Paz-Sedano, Smirnoff, Candás, Gosliner & Pola, 2022

Rostanga sp. 8

Tenellia futairo

(Baba, 1963)

Tenellia sp.17

Discodorididae sp. 1

Bornella sp. 4

Lomanotus sp. 8

Placida barackobamai

McCarthy, Krug & Á. Valdés, 2017

Subcuthona sp. 1

Hyalocylis striata

(Rang, 1828)

Runcinida sp. 3

Acteocina gordonis

(Yokoyama, 1927)

Runcinida sp. 4

Tenellia sp.93

Coryphellina pannae

Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022

Gymnodoris sp.42

Phyllodesmium sp. 8

Decorifer spp.

Syphonota geographica

(A. Adams & Reeve, 1850)

Thuridilla albopustulosa

Gosliner, 1995

Siphopteron flavum

(Tokioka & Baba, 1964)

Phyllidiella pustulosa

(Cuvier, 1804)

Reticulidia fungia

Brunckhorst & Gosliner, 1993

Bornella stellifera

(A. Adams & Reeve, 1848)

Diniatys dentifer

(A. Adams, 1850)

Spinoaglaja orientalis

(Baba, 1949)

Niparaya regiscorona

(Bertsch, 1972)

Philine trapezia

Hedley, 1902

Chelidonura amoena

Bergh, 1905

Noalda sp. 1

Gastropteron bicornutum

Baba & Tokioka, 1965

Aplysia gigantea

G. B. Sowerby II, 1869

Dolabrifera dolabrifera

(Rang, 1828)

Notarchus indicus

Schweigger, 1820

Stylocheilus longicauda

(Quoy & Gaimard, 1825)

Stylocheilus striatus

(Quoy & Gaimard, 1832)

Elysia obtusa

Baba, 1938

Thuridilla gracilis

(Risbec, 1928)

Polybranchia orientalis

(Kelaart, 1858)

Aplysiopsis toyamana

(Baba, 1959)

Umbraculum umbraculum

([Lightfoot], 1786)

Pleurobranchaea japonica

Thiele, 1925

Hexabranchus lacer

(Cuvier, 1804)

Polycera japonica

Baba, 1949

Thecacera pennigera

(Montagu, 1813)

Thecacera sp. 2

Plocamopherus tilesii

Bergh, 1877

Nembrotha livingstonei

J. K. Allan, 1933

Nembrotha sp. 1

Okenia rhinorma

Rudman, 2007

Naisdoris sp. 1

Aegires exeches

Fahey & Gosliner, 2004

Aegires incusus

Fahey & Gosliner, 2004

Gymnodoris citrina

(Bergh, 1877)

Gymnodoris inornata

(Bergh, 1880)

Gymnodoris okinawae

Baba, 1936

Doris immonda

(Risbec, 1928)

Geitodoris lutea

Baba, 1937

Jorunna funebris

(Kelaart, 1858)

Platydoris sp. 1

Sebadoris nubilosa

(Pease, 1871)

Hallaxa iju

Gosliner & S. Johnson, 1994

Cadlina japonica

Baba, 1937

Goniobranchus albonares

(Rudman, 1990)

Goniobranchus rufomaculatus

(Pease, 1871)

Doriprismatica atromarginata

(Cuvier, 1804)

Mexichromis pusilla

(Bergh, 1874)

Hypselodoris sp.18

Hypselodoris maculosa

(Pease, 1871)

Ardeadoris angustolutea

(Rudman, 1990)

Diversidoris crocea

(Rudman, 1986)

Diversidoris flava

(Eliot, 1904)

Verconia norba

(Er. Marcus & Ev. Marcus, 1970)

Verconia sp. 2

Hypselodoris tryoni

(Garrett, 1873)

Thorunna australis

(Risbec, 1928)

Thorunna daniellae

(Kay & D. K. Young, 1969)

Thorunna halourga

R. F. Johnson & Gosliner, 2001

Dendrodoris nigra

(W. Stimpson, 1855)

Dendrodoris tuberculosa

(Quoy & Gaimard, 1832)

Phyllidia exquisita

Brunckhorst, 1993

Phyllidia ocellata

Cuvier, 1804

Armina semperi

(Bergh, 1866)

Dermatobranchus cymatilis

Gosliner & Fahey, 2011

Armina rubida

(A. A. Gould, 1852)

Dermatobranchus semilunus

Gosliner & Fahey, 2011

Dermatobranchus sp. 1

Notobryon bijecurum

Baba, 1937

Melibe papillosa

(de Filippi, 1867)

Melibe viridis

(Kelaart, 1858)

Cephalopyge trematoides

(Chun, 1889)

Doto bella

Baba, 1938

Samla bicolor

(Kelaart, 1858)

Coryphellina lotos

Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017

Eubranchus echizenicus

Baba, 1975

Eubranchus sp. 1

Eubranchus sp. 5

Myja hyotan

Martynov, Mehrotra, Chavanich, R. Nakano, Kashio, Lundin, Picton & Korshunova, 2019

Cratena affinis

(Baba, 1949)

Cratena simba

Edmunds, 1970

Cratena sp. 1

Favorinus japonicus

Baba, 1949

Favorinus mirabilis

Baba, 1955

Favorinus pacificus

Baba, 1937

Favorinus tsuruganus

Baba & Abe, 1964

Hermissenda emurai

(Baba, 1937)

Phidiana anulifera

(Baba, 1949)

Cerberilla sp. 2

Pleurolidia juliae

Burn, 1966

Tenellia anulata

(Baba, 1949)

Tenellia diversicolor

(Baba, 1975)

Tenellia sibogae

(Bergh, 1905)

Tenellia sp.11

Tenellia sp. 2

Phestilla melanobrachia

Bergh, 1874

Cerberilla sp. 5

Nembrotha sp. 3

Pelagella longicornis

Paz-Sedano, Smirnoff, Gosliner & Pola, 2023

Murphydoris sp. 4

Acteocina sp.

Samla sp. 1

Tenellia sp.27

Tenellia nakapila

A. Y. Kim & Gosliner, 2024

Polycera sp. 4

Abronica sp. 2

Gymnodoris spp.

Tritonia sp. 2

Hypselodoris lacuna

Gosliner & R. F. Johnson, 2018

Tenellia sp.10

Cratena sp. 3

Aeolidina sp. 2

Niparaya sp. 2

Novaeolidiella janae

Carmona, Martín-Hervás, Pola, Gosliner & Cervera, 2026

Ceratodoris sp. 2

Melanochlamys ezoensis

(Baba, 1957)

Bornella hermanni

Angas, 1864

Limenandra confusa

Carmona, Pola, Gosliner & Cervera, 2014

Eubranchus sp.10

Scyllaea sp. 1

Janolus sp. 8

Facelinidae sp. 3

Tenellia sp.37

Tenellia sp.38

Tenellia sp.30

Cylichnatys angusta

(A. A. Gould, 1859)

Elysia cf. japonica

Eliot, 1913

Halgerda labyrinthus

Donohoo & Gosliner, 2023

Thordisa sp. 9

Polycera sp. 9

Discodorididae sp.13

Favorinus sp. 9

Limapontiidae spp.

Stiliger sp. 8

Ceratosoma bicolor

Baba, 1949

Tenellia sp. 7

Doris tricolor

(Baba, 1938)

Tambja sp. 1

Produnga rubropunctata

(Edmunds, 1969)

Abronica sp. 4

Doridoidea sp. 1

Tenellia sp.62

Ceratodoris nakanoae

(Paz-Sedano & Pola, 2021)

Hermaea sp. 4

Facelinidae sp.11

Polycera sp.13

Scyllaea pelagica

Linnaeus, 1758

Eubranchus sp.29

Tenellia sp.40

Doris sp. 1

Aglajidae sp. 5

Aplysia sp. 1

Niparaya sp.10

Cratena sp.10

Philinopsis buntot

Gosliner, 2015

Miamira sp. 1

Clio pyramidata

Linnaeus, 1767

Telodiacria quadridentata

(Blainville, 1821)

Acteocina decorata

(Pilsbry, 1904)

Acteocina exilis

(Dunker, 1860)

Ilbia sp. 2

Jorunna daoulasi

Innabi, Stout & Á. Valdés, 2023

Bursatella ocelligera

(Bergh, 1902)

Sakuraeolis sp. 4

Corruptobranchus malakhovi

(Ekimova, Mikhlina, Vorobyeva, Antokhina, Tambovtseva & Shepetov, 2021)

Thordisa sp.12

Kaloplocamus japonicus

(Bergh, 1880)

Goniodoridella sp.17

Goniodoridella sp.18

Trinchesiidae sp. 2

Avaldesia spp.

Philine sp. 5

Phyllidia ovata

Wägele, Raubold, Papu, Undap & Yonow, 2025

Kaloplocamus sp. 6

Elysia sp.37

Anteaeolidiella sp. 3