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  3. Order Nudibranchia
  4. Suborder Tritonina
  5. Superfamily Tritonioidea
  6. Family Tritoniidae
  7. Subfamily Tritoniinae
  8. Genus Tritoniopsis
  9. Tritoniopsis cf. frydis

Tritoniopsis cf. frydis

シロハナガサウミウシ Tritoniopsis cf. frydis

Location
Nazumado, Hachijo Island, Tokyo, Japan
Date
2018/10/11
Length
10mm
Depth
20.0m
Water temperature
26.0℃

References

A Kindle field guide by the site author

Kimoto N. (2026). Sea Slugs of Japan & the Indo-Pacific, 2nd Edition. cover

Kimoto N. (2026). Sea Slugs of Japan & the Indo-Pacific, 2nd Edition.

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Seasonality

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Photos of Tritoniopsis cf. frydis

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takos_ushi KAITO UEMURA
Hokkawa

takos_ushi KAITO UEMURA
Hokkawa

4771hhh オキャノン
Osezaki

fourstar50 マッチ
Ogasawara

nonono Nono3
Hachijo Island

arairai0722 新井 隆大(DSあらいぐま)
Osezaki

k.nakamura 中村一誠
Osezaki

fgt4pcsfy Pinkgoriushi
Amami Oshima

徳島 功一
Romblon Island

徳島 功一
Romblon Island

徳島 功一
Romblon Island

kyochan405 水谷京子
Ishigaki and Yaeyama

eriko.a 安藤恵利子
Okinawa Island (Chatan and Southern area)

kamendiver オミ@教導潜水漢
Hamanako

MANATEE MANATEE
Hachijo Island

aquatique 糸井 泰久
Kumomi

oasis akihito iwakiri(oasis)
Amami Oshima

mnh612 みなほ
Amami Oshima

Micro-hunter-yu DS.ウミウシハンターズ 池田雄吾　全部城ヶ島水域のみ投稿
Jogashima

ysokai 祖開康彰
Okinawa Island (Onna and Yomitan area)

russian-yu ウミウシハンターズ遠征版
Kerama(Zamami･Amuro･Gahi･Agenashiku)

かっちゃまDS
Katuyama

IzumiKamei(Kaanapali) Izumi Kamei(カアナパリ)
Kannoura

Yako Yamaguchi
Izusan

diver808586 NAGISA゜
Kuki

kominekazuyoshi 小峰かずよし
Usami

kominekazuyoshi 小峰かずよし
Usami

nobuhiko KIMOTO Nobuhiko
Hachijo Island

bighit2000 Manabu Kakegawa
Hachijo Island

MANATEE MANATEE
Okinawa Island (Onna and Yomitan area)

tabasa 木村　多葉紗
Kumomi

Micro-hunter-yu DS.ウミウシハンターズ 池田雄吾　全部城ヶ島水域のみ投稿
Jogashima

Micro-hunter-yu DS.ウミウシハンターズ 池田雄吾　全部城ヶ島水域のみ投稿
Jogashima

ishikawamasanori 石川雅教
Kerama(Kuro･Tokashiki･Gisippu･Mae)

nobuhiko KIMOTO Nobuhiko
Osezaki

bighit2000 Manabu Kakegawa
Osezaki

bighit2000 Manabu Kakegawa
Tago, Futou, Dougashima

ishikawamasanori 石川雅教
Okinawa Island (Onna and Yomitan area)

nobuhiko KIMOTO Nobuhiko
Hachijo Island

pisan 黒田貴司
Tago, Futou, Dougashima

Academic Database

Sea slug observation data is available in international marine biodiversity databases.

BISMaL OBIS DOI: 10.48518/00032

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