Sea Slugs in Hayama 326

Hypselodoris festiva

(A. Adams, 1861)

Tritoniopsis elegans

(Audouin, 1826)

Dendrodoris arborescens

(Collingwood, 1881)

Goniobranchus sp.16

Cratena lineata

(Eliot, 1905)

Polycera sp. 4

Ceratodoris hiroi

(Baba, 1938)

Anteaeolidiella takanosimensis

(Baba, 1930)

Siphopteron flavum

(Tokioka & Baba, 1964)

Goniodoridella borealis

Martynov, Sanamyan & Korshunova, 2015

Chromodoris orientalis

Rudman, 1983

Eubranchus inabai

Baba, 1964

Herviella yatsui

(Baba, 1930)

Goniobranchus aureopurpureus

(Collingwood, 1881)

Pteraeolidia semperi

(Bergh, 1870)

Runcinida sp. 1

Gymnodoris alba

(Bergh, 1877)

Gymnodoris citrina

(Bergh, 1877)

Rostanga risbeci

Baba, 1991

Verconia nivalis

(Baba, 1937)

Samla takashigei

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

Sakuraeolis enosimensis

(Baba, 1930)

Bermudella japonica

(Baba, 1949)

Dendrodoris nigra

(W. Stimpson, 1855)

Dermatobranchus otome

Baba, 1992

Samla sp. 1

Doridoidea spp.

Philine trapezia

Hedley, 1902

Biuve fulvipunctata

(Baba, 1938)

Chelidonura hirundinina

(Quoy & Gaimard, 1833)

Elysia amakusana

Baba, 1955

Elysia atroviridis

Baba, 1955

Elysia obtusa

Baba, 1938

Elysia marginata

(Pease, 1871)

Hermaea noto

(Baba, 1959)

Diaphorodoris mitsuii

(Baba, 1938)

Dendrodoris krusensternii

(J. E. Gray, 1850)

Dendrodoris fumata

(Rüppell & Leuckart, 1830)

Melibe viridis

(Kelaart, 1858)

Eubranchus sp. 5

Spurilla braziliana

MacFarland, 1909

Catriona pinnifera

(Baba, 1949)

Coryphellina sp. 4

Aplysia japonica

G. B. Sowerby II, 1869

Babakina indopacifica

Gosliner, Gonzalez-Duarte & Cervera, 2007

Spinoaglaja orientalis

(Baba, 1949)

Aplysia juliana

Quoy & Gaimard, 1832

Elysia trisinuata

Baba, 1949

Pleurobranchus peronii

Cuvier, 1804

Polycera hedgpethi

Er. Marcus, 1964

Aegires villosus

Farran, 1905

Gymnodoris inornata

(Bergh, 1880)

Doris sugashimae

(Baba, 1998)

Carminodoris armata

Baba, 1993

Carminodoris bifurcata

Baba, 1993

Discodoris cebuensis

Bergh, 1877

Platydoris ellioti

(Alder & Hancock, 1864)

Goniobranchus sinensis

(Rudman, 1985)

Goniobranchus tumuliferus

(Collingwood, 1881)

Glossodoris misakinosibogae

Baba, 1988

Hypselodoris maritima

(Baba, 1949)

Melibe papillosa

(de Filippi, 1867)

Kabeiro sp. 2

Embletonia gracilis

Risbec, 1928

Hantazuia yugoikedai

Korshunova, Fletcher & Martynov, 2025

Eubranchopsis virginalis

Baba, 1949

Eubranchus mimeticus

Baba, 1975

Eubranchus sp. 1

Facelina bilineata

Y. Hirano & M. Ito, 1998

Favorinus japonicus

Baba, 1949

Sakuraeolis sakuracea

Y. Hirano, 1999

Tenellia diversicolor

(Baba, 1975)

Tenellia ornata

(Baba, 1937)

Abronica purpureoanulata

(Baba, 1961)

Gymnodoris spp.

Melanochlamys ezoensis

(Baba, 1957)

Unidentia sp. 2

Tenellia sp.70

Favorinus sp. 9

Leostyletus spp.

Discodorididae spp.

Runcinida sp. 4

Thuridilla albopustulosa

Gosliner, 1995

Bornella stellifera

(A. Adams & Reeve, 1848)

Metaruncina setoensis

(Baba, 1954)

Runcinida elioti

(Baba, 1937)

Aplysia kurodai

(Baba, 1937)

Aplysia sagamiana

Baba, 1949

Dolabella auricularia

([Lightfoot], 1786)

Dolabrifera dolabrifera

(Rang, 1828)

Stylocheilus striatus

(Quoy & Gaimard, 1832)

Stiliger sp. 2

Polycera fujitai

Baba, 1937

Limacia ornata

(Baba, 1937)

Plocamopherus imperialis

Angas, 1864

Vayssierea felis

(Collingwood, 1881)

Pelagella felis

(Baba, 1949)

Bermudella distincta

(Baba, 1940)

Ceratodoris pilosa

(Bouchet & Ortea, 1983)

Aldisa cooperi

Robilliard & Baba, 1972

Tayuva lilacina

(A. A. Gould, 1852)

Sclerodoris apiculata

(Alder & Hancock, 1864)

Sclerodoris rubicunda

(Baba, 1949)

Mexichromis mariei

(Crosse, 1872)

Verconia purpurea

(Baba, 1949)

Verconia subnivalis

(Baba, 1987)

Thorunna florens

(Baba, 1949)

Dermatobranchus albopunctulatus

Baba, 1976

Madrella ferruginosa

Alder & Hancock, 1864

Doto pita

Er. Marcus, 1955

Doto cf. racemosa

Risbec, 1928

Eubranchus echizenicus

Baba, 1975

Leostyletus misakiensis

(Baba, 1960)

Cratena affinis

(Baba, 1949)

Cratena sp. 1

Herviella affinis

Baba, 1960

Bulbaeolidia alba

(Risbec, 1928)

Limenandra fusiformis

(Baba, 1949)

Baeolidia japonica

Baba, 1933

Baeolidia salaamica

(Rudman, 1982)

Subcuthona pallida

Baba, 1949

Jorunna parva

(Baba, 1938)

Tenellia sp. 8

Thordisa sp. 9

Aeolidina sp.15

Discodorididae sp. 1

Jorunna sp. 1

Hermania orca

(Gosliner, 1988)

Chelidonura sp. 1

Aplysia oculifera

A. Adams & Reeve, 1850

Elysia nigrocapitata

Baba, 1957

Ercolania boodleae

(Baba, 1938)

Stiliger berghi

Baba, 1937

Aplysiopsis minor

(Baba, 1959)

Pleurobranchaea japonica

Thiele, 1925

Pleurobranchus albiguttatus

(Bergh, 1905)

Pleurobranchus forskalii

Rüppell & Leuckart, 1828

Kaloplocamus albopunctatus

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

Roboastra gracilis

(Bergh, 1877)

Naisdoris sp. 5

Pelagella castanea

(Alder & Hancock, 1845)

Ceratodoris barnardi

(Baba, 1937)

Gymnodoris subornata

Baba, 1960

Discodoris pardalis

(Alder & Hancock, 1864)

Geitodoris lutea

Baba, 1937

Homoiodoris japonica

Bergh, 1882

Jorunna cf. pantherina

(Angas, 1864)

Jorunna ramicola

M. C. Miller, 1996

Platydoris sp. 1

Thordisa luteola

J. M. Chan & Gosliner, 2007

Actinocyclus papillatus

(Bergh, 1878)

Hallaxa cryptica

Gosliner & S. Johnson, 1994

Hallaxa indecora

(Bergh, 1905)

Goniobranchus setoensis

(Baba, 1938)

Hypselodoris placida

(Baba, 1949)

Diversidoris crocea

(Rudman, 1986)

Dendrodoris guttata

(Odhner, 1917)

Doriopsilla miniata

(Alder & Hancock, 1864)

Dermatobranchus nigropunctatus

Baba, 1949

Dermatobranchus ornatus

(Bergh, 1874)

Dermatobranchus sp. 1

Dermatobranchus striatellus

Baba, 1949

Doto japonica

Odhner, 1936

Launsina tanyae

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

Antonietta janthina

Baba & Hamatani, 1977

Cratena sp. 2

Favorinus tsuruganus

Baba & Abe, 1964

Glaucus atlanticus

Forster, 1777

Herviella albida

Baba, 1966

Phidiana anulifera

(Baba, 1949)

Sakuraeolis gerberina

Y. Hirano, 1999

Cerberilla asamusiensis

Baba, 1940

Cerberilla sp. 2

Protaeolidiella atra

Baba, 1955

Tenellia pupillae

(Baba, 1961)

Cratena sp. 3

Aeolidina spp.

Elysia sp.10

Spinoaglaja sp. 1

Peltodoris murrea

(Abraham, 1877)

Doto purpurea

Baba, 1949

Eubranchus sp.14

Geitodoris sp. 1

Gymnodoris sp.21

Doto sp. 6

Produnga rubropunctata

(Edmunds, 1969)

Vellicolla muscaria

(A. A. Gould, 1859)

Runcinida sp. 2

Tritonia sp. 6

Atagema sp. 7

Unidentia sp. 5

Acteocina exilis

(Dunker, 1860)

Tenellia sp.90

Jorunna spp.

Phyllodesmium sp. 8

Thuridilla vataae

(Risbec, 1928)

Colpodaspis thompsoni

G. H. Brown, 1979

Haloa japonica

(Pilsbry, 1895)

Niparaya regiscorona

(Bertsch, 1972)

Gastropteron minutum

Ong & Gosliner, 2017

Aplysia nigrocincta

E. von Martens, 1880

Notarchus indicus

Schweigger, 1820

Stylocheilus longicauda

(Quoy & Gaimard, 1825)

Elysia hamatanii

Baba, 1957

Elysia sp. 2

Elysia sp. 7

Thuridilla livida

(Baba, 1955)

Alderia modesta

(Loven, 1844)

Stiliger aureomarginatus

K. R. Jensen, 1993

Aplysiopsis nigra

(Baba, 1949)

Pleurehdera sp. 1

Polycera japonica

Baba, 1949

Plocamopherus ceylonicus

(Kelaart, 1858)

Nembrotha lorosae

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

Tambja amakusana

Baba, 1987

Pelagella joubini

(Risbec, 1928)

Okenia echinata

Baba, 1949

Okenia rhinorma

Rudman, 2007

Idaliadoris sp. 1

Doriopsis granulosa

Pease, 1860

Doris immonda

(Risbec, 1928)

Doriopsis pecten

(Collingwood, 1881)

Doris viridis

(Pease, 1861)

Atagema intecta

(Kelaart, 1858)

Atagema spongiosa

(Kelaart, 1858)

Carminodoris flammea

(Fahey & Gosliner, 2003)

Platydoris inornata

Dorgan, Á. Valdés & Gosliner, 2002

Rostanga orientalis

Rudman & Avern, 1989

Discodorididae sp. 3

Doriopsilla sp. 1

Sebadoris fragilis

(Alder & Hancock, 1864)

Sebadoris nubilosa

(Pease, 1871)

Actinocyclus verrucosus

Ehrenberg, 1831

Cadlinella ornatissima

(Risbec, 1928)

Goniobranchus rufomaculatus

(Pease, 1871)

Doriprismatica atromarginata

(Cuvier, 1804)

Glossodoris buko

S. B. Matsuda & Gosliner, 2018

Hypselodoris sagamiensis

(Baba, 1949)

Verconia norba

(Er. Marcus & Ev. Marcus, 1970)

Verconia simplex

(Pease, 1871)

Dendrodoris carbunculosa

(Kelaart, 1858)

Dendrodoris tuberculosa

(Quoy & Gaimard, 1832)

Phyllidia ocellata

Cuvier, 1804

Dermatobranchus primus

Baba, 1976

Janolus mirabilis

Baba & Abe, 1970

Dendronotus primorjensis

Martynov, Sanamyan & Korshunova, 2015

Notobryon bijecurum

Baba, 1937

Marionia sp. 1

Tritonia sp. 1

Doto bella

Baba, 1938

Coryphellina exoptata

(Gosliner & Willan, 1991)

Coryphellina lotos

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

Myja hyotan

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

Cratena simba

Edmunds, 1970

Favorinus mirabilis

Baba, 1955

Favorinus perfoliatus

Baba, 1949

Favorinus pacificus

Baba, 1937

Hermissenda emurai

(Baba, 1937)

Phyllodesmium opalescens

Rudman, 1991

Phyllodesmium serratum

(Baba, 1949)

Cerberilla sp. 1

Pleurolidia juliae

Burn, 1966

Tenellia akibai

(Baba, 1984)

Tenellia beta

(Baba & Abe, 1964)

Tenellia sp.11

Phestilla melanobrachia

Bergh, 1874

Janolus savinkini

Martynov & Korshunova, 2012

Pelagella sp. 3

Tenellia sp.27

Hydatina physis

(Linnaeus, 1758)

Micromelo barbarae

Feliciano, Malaquias, Stout, Brenzinger, Gosliner & Á. Valdés, 2021

Elysia spp.

Eubranchus sp. 3

Tenellia sp.10

Aeolidina sp. 2

Doto spp.

Aglajidae sp. 3

Trapania sp.12

Bornella hermanni

Angas, 1864

Atagema sp. 1

Eubranchus sp. 8

Atagema sp. 2

Martadoris sp. 2

Goniodorididae sp. 3

Catriona osezakiensis

Martynov, Korshunova, Lundin, Malmberg, 2022

Gymnodoris sp.16

Tenellia sp.37

Tenellia sp.67

Tenellia sp.38

Catriona signifera

Baba, 1961

Gymnodoris sp.18

Philine sp. 1

Eubranchus cf. leopoldoi

Caballer, Ortea & Espinosa, 2001

Pruvotfolia sp. 4

Atagema sp. 4

Tenellia sp.39

Antonietta sp. 1

Placida daguilarensis

K. Jensen, 1990

Sclerodoris faninozi

Innabi, Stout & Á. Valdés, 2023

Aglajidae sp. 1

Trinchesiidae sp. 1

Aeolidina sp. 3

Hermaea wrangeliae

(M. Ichikawa, 1993)

Hermaea sp. 4

Eubranchus sp.26

Scyllaea pelagica

Linnaeus, 1758

Gymnodoris sp.28

Eubranchus sp.29

Tenellia sp.40

Doris sp. 1

Unidentia spp.

Placida barackobamai

McCarthy, Krug & Á. Valdés, 2017

Pelagella sugashimae

(Baba, 1960)

Gastropteridae spp.

Subcuthona sp. 1

Aplysia sp. 1

Eubranchus sp.32

Runcinida sp. 3

Doriopsilla sp. 2

Smaragdinella sieboldi

A. Adams, 1864

Jorunna sp. 5

Gymnodoris subflava

Baba, 1949

Tenellia sp.93

Goniodoridella sp.18

Anteaeolidiella decorus

S.-Q. Zhang & S.-P. Zhang, 2023

Discodorididae sp.28