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Sea Slugs in Over Head Rock, Okinawa Island (Onna and Yomitan area) 73

Shooting Location

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Best Time to Dive in Over Head Rock

110
Total Observations
21.0°C - 31.0°C
Water Temperature Range
Feb , Mar , Aug
Peak Season
54
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: 21.0°C - 31.0°C range
  • Peak observations: 54 in Peak Activity
  • Year-round diving: 110 total observations recorded
Sort by Popularity Sort Taxonomically Sort Alphabetically
Chromodoris willani

Chromodoris willani

Rudman, 1982
Halgerda carlsoni

Halgerda carlsoni

Rudman, 1978
Reticulidia fungia

Reticulidia fungia

Brunckhorst & Gosliner, 1993
Halgerda diaphana

Halgerda diaphana

Fahey & Gosliner, 1999
Aldisa albatrossae

Aldisa albatrossae

Elwood, Á. Valdés & Gosliner, 2000
Cratena sp. 1

Cratena sp. 1
Phyllidiella pustulosa

Phyllidiella pustulosa

(Cuvier, 1804)
Ardeadoris cruenta

Ardeadoris cruenta

(Rudman, 1986)
Chromodoris colemani

Chromodoris colemani

Rudman, 1982
Siphopteron nigromarginatum

Siphopteron nigromarginatum

Gosliner, 1989
Siphopteron tigrinum

Siphopteron tigrinum

Gosliner, 1989
Halgerda elegans

Halgerda elegans

Bergh, 1905
Halgerda tessellata

Halgerda tessellata

(Bergh, 1880)
Ceratosoma sp. 1

Ceratosoma sp. 1
Chromodoris alcalai

Chromodoris alcalai

Gosliner, 2021
Goniobranchus geometricus

Goniobranchus geometricus

(Risbec, 1928)
Diversidoris crocea

Diversidoris crocea

(Rudman, 1986)
Verconia simplex

Verconia simplex

(Pease, 1871)
Phyllidia coelestis

Phyllidia coelestis

Bergh, 1905
Phyllidiopsis xishaensis

Phyllidiopsis xishaensis

(G.-Y. Lin, 1983)
Janolus sp. 2

Janolus sp. 2
Janolus sp.13

Janolus sp.13
Tomoberthella martensi

Tomoberthella martensi

(Pilsbry, 1896)
Phyllodesmium briareum

Phyllodesmium briareum

(Bergh, 1896)
Aplysia nigrocincta

Aplysia nigrocincta

E. von Martens, 1880
Elysia sp. 5

Elysia sp. 5
Hexabranchus lacer

Hexabranchus lacer

(Cuvier, 1804)
Polycera japonica

Polycera japonica

Baba, 1949
Plocamopherus maculatus

Plocamopherus maculatus

(Pease, 1860)
Nembrotha chamberlaini

Nembrotha chamberlaini

Gosliner & Behrens, 1997
Naisdoris sp. 1

Naisdoris sp. 1
Notodoris citrina

Notodoris citrina

Bergh, 1875
Ardeadoris egretta

Ardeadoris egretta

Rudman, 1984
Cadlinella ornatissima

Cadlinella ornatissima

(Risbec, 1928)
Goniobranchus albopunctatus

Goniobranchus albopunctatus

Garrett, 1879
Goniobranchus kuniei

Goniobranchus kuniei

(Pruvot-Fol, 1930)
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Chromodoris magnifica

Chromodoris magnifica

(Quoy & Gaimard, 1832)
Goniobranchus sp. 1

Goniobranchus sp. 1
Glossodoris cf. cincta

Glossodoris cf. cincta

(Bergh, 1888)
Hypselodoris apolegma

Hypselodoris apolegma

(Yonow, 2001)
Hypselodoris bullockii

Hypselodoris bullockii

(Collingwood, 1881)
Hypselodoris maculosa

Hypselodoris maculosa

(Pease, 1871)
Hypselodoris rositoi

Hypselodoris rositoi

Gosliner & R. F. Johnson, 2018
Diversidoris flava

Diversidoris flava

(Eliot, 1904)
Verconia sp. 4

Verconia sp. 4
Verconia romeri

Verconia romeri

(Risbec, 1928)
Mexichromis trilineata

Mexichromis trilineata

(A. Adams & Reeve, 1850)
Phyllidia elegans

Phyllidia elegans

Bergh, 1869
Phyllidia picta

Phyllidia picta

Pruvot-Fol, 1957
Phyllidia polkadotsa

Phyllidia polkadotsa

Brunckhorst, 1993
Phyllidiidae sp. 1

Phyllidiidae sp. 1
Phyllidia larryi

Phyllidia larryi

(Brunckhorst, 1993)
Phyllidiopsis pipeki

Phyllidiopsis pipeki

Brunckhorst, 1993
Phyllidiopsis sphingis

Phyllidiopsis sphingis

Brunckhorst, 1993
Dermatobranchus fortunatus

Dermatobranchus fortunatus

(Bergh, 1888)
Dermatobranchus rodmani

Dermatobranchus rodmani

Gosliner & Fahey, 2011
Hancockia sp. 2

Hancockia sp. 2
Samla bicolor

Samla bicolor

(Kelaart, 1858)
Cratena simba

Cratena simba

Edmunds, 1970
Phestilla minor

Phestilla minor

Rudman, 1981
Pelagella albopunctata

Pelagella albopunctata

Paz-Sedano, Smirnoff, Gosliner & Pola, 2023
Pelagella longicornis

Pelagella longicornis

Paz-Sedano, Smirnoff, Gosliner & Pola, 2023
Gymnodoris spp.

Gymnodoris spp.
Hallaxa sp. 1

Hallaxa sp. 1
Cratena sp. 3

Cratena sp. 3
Pruvotfolia sp. 1

Pruvotfolia sp. 1
Aeolidina spp.

Aeolidina spp.
Doridoidea spp.

Doridoidea spp.
Tenellia sp.73

Tenellia sp.73
Berthella caledonica

Berthella caledonica

(Risbec, 1928)
Tenellia sp.24

Tenellia sp.24
Eubranchus sp.37

Eubranchus sp.37
Facelina sp. 8

Facelina sp. 8
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