Sea Slugs in Hennoshima, Etchumiyazaki | SEASLUG.WORLD

Shooting Location

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Best Time to Dive in Hennoshima

133

Total Observations

8.0°C - 20.0°C

Water Temperature Range

Apr , May , Feb

Peak Season

95

Peak Observations

Monthly Diving Activity & Water Temperature

Observations Water Temperature Higher bars indicate peak diving activity

Planning Your Dive Trip

Best for beginners: Peak Activity season (peak activity)
Water temperature: 8.0°C - 20.0°C range

Peak observations: 95 in Peak Activity
Year-round diving: 133 total observations recorded

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Goniodorididae sp. 2

Goniodorididae sp. 2

Thecacera pennigera

Thecacera pennigera

(Montagu, 1813)

Tritonia festiva

Tritonia festiva

(Stearns, 1873)

Hermissenda emurai

Hermissenda emurai

(Baba, 1937)

Kaloplocamus albopunctatus

Kaloplocamus albopunctatus

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

Ancula gibbosa

Ancula gibbosa

(Risso, 1818)

Apata sp. 1

Apata sp. 1

Ancula kariyana

Ancula kariyana

Baba, 1990

Ceratodoris barnardi

Ceratodoris barnardi

(Baba, 1937)

Acanthodoris atrogriseata

Acanthodoris atrogriseata

O'Donoghue, 1927

Onchidoris muricata

Onchidoris muricata

(O. F. Müller, 1776)

Hallaxa cryptica

Hallaxa cryptica

Gosliner & S. Johnson, 1994

Tenellia ornata

Tenellia ornata

(Baba, 1937)

Diaphoreolis viridis

Diaphoreolis viridis

(Forbes, 1840)

Dendronotus sp. 4

Dendronotus sp. 4

Elysia atroviridis

Elysia atroviridis

Baba, 1955

Palio amakusana

Palio amakusana

Baba, 1960

Bermudella distincta

Bermudella distincta

(Baba, 1940)

Ceratodoris pilosa

Ceratodoris pilosa

(Bouchet & Ortea, 1983)

Gymnodoris alba

Gymnodoris alba

(Bergh, 1877)

Chromodoris orientalis

Chromodoris orientalis

Rudman, 1983

Dermatobranchus otome

Dermatobranchus otome

Baba, 1992

Dendronotus primorjensis

Dendronotus primorjensis

Martynov, Sanamyan & Korshunova, 2015

Doto bella

Doto bella

Baba, 1938

Embletonia gracilis

Embletonia gracilis

Risbec, 1928

Baeolidia japonica

Baeolidia japonica

Baba, 1933

Samla sp. 1

Samla sp. 1

Ceratodoris tenuifibrata

Ceratodoris tenuifibrata

(Paz-Sedano & Pola, 2021)

Aeolidina sp. 3

Aeolidina sp. 3

Siphopteron flavum

Siphopteron flavum

(Tokioka & Baba, 1964)

Aplysia juliana

Aplysia juliana

Quoy & Gaimard, 1832

Ercolania boodleae

Ercolania boodleae

(Baba, 1938)

Aplysiopsis minor

Aplysiopsis minor

(Baba, 1959)

Aplysiopsis toyamana

Aplysiopsis toyamana

(Baba, 1959)

Limacia ornata

Limacia ornata

(Baba, 1937)

Tambja amakusana

Tambja amakusana

Baba, 1987

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Pelagella felis

Pelagella felis

(Baba, 1949)

Okenia echinata

Okenia echinata

Baba, 1949

Trapania japonica

Trapania japonica

(Baba, 1935)

Trapania sp.21

Trapania sp.21

Diaphorodoris mitsuii

Diaphorodoris mitsuii

(Baba, 1938)

Goniobranchus sp.16

Goniobranchus sp.16

Dendrodoris krusensternii

Dendrodoris krusensternii

(J. E. Gray, 1850)

Phyllidia ocellata

Phyllidia ocellata

Cuvier, 1804

Madrella ferruginosa

Madrella ferruginosa

Alder & Hancock, 1864

Madrella gloriosa

Madrella gloriosa

Baba, 1949

Antiopella fusca

Antiopella fusca

(O'Donoghue, 1924)

Coryphella amabilis

Coryphella amabilis

(Y. Hirano & Kuzirian, 1991)

Sakuraeolis enosimensis

Sakuraeolis enosimensis

(Baba, 1930)

Aeolidia papillosa

Aeolidia papillosa

(Linnaeus, 1761)

Aeolidina spp.

Aeolidina spp.

Melanochlamys ezoensis

Melanochlamys ezoensis

(Baba, 1957)

Doridoidea spp.

Doridoidea spp.

Coryphellina sp. 4

Coryphellina sp. 4

Catriona alpha

Catriona alpha

(Baba & Hamatani, 1963)

Apata pricei komandorica

Apata pricei komandorica

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

Sakuraeolis sp. 2

Sakuraeolis sp. 2

Dendronotus zakuro

Dendronotus zakuro

Martynov, Fujiwara, Tsuchida, R. Nakano, N. Sanamyan, K. Sanamyan, Fletcher & Korshunova, 2020

Doridoidea sp. 9

Doridoidea sp. 9

Goniodoridella sp.18

Goniodoridella sp.18