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  3. Order Nudibranchia
  4. Suborder Aeolidina
  5. Superfamily Fionoidea
  6. Family Trinchesiidae
  7. Genus Catriona
  8. Catriona sp. 2

Catriona sp. 2

トサミノウミウシ Catriona sp. 2

Location
Manazuru, Kanagawa, Japan
Date
2026/05/16
Length
3mm
Depth
0.2m
Water temperature
19.0℃

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.

Kindle Edition

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Seasonality

Shooting Locations

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Photos of Catriona sp. 2

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YUYA
Manazuru

ogawa 小河 亮俊
Hachijo Island

MANATEE MANATEE
Hachijo Island

goooowwww Go Kobaton
Kumomi

aquatique 糸井 泰久
Kumomi

fourstar50 マッチ
Ogasawara

bighit2000 Manabu Kakegawa
Kumomi

tabasa 木村　多葉紗
Kumomi

okyou0211 kyoko fujimoto
Makurazaki and bounotu

hikaru ダイブカーム　小谷光
Kashinishi

hikaru ダイブカーム　小谷光
Kashinishi

oasis akihito iwakiri(oasis)
Tago, Futou, Dougashima

kominekazuyoshi 小峰かずよし
Usami

misakichi Misaki Shimizu
Kumomi

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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