Elysia nigrocapitata Baba, 1957
- Location
- Hashidahana, Aichi, Japan
- Date
- 2020/02/09
- Length
- 12mm
- Depth
- 0.2m
- Water temperature
- 20.0℃
Description
A small sacoglossan reaching about 5 mm in length. Head black except around the eyes — the diagnostic character. Body ground colour yellowish green, deepening towards the outer surface of the parapodia and the tip of the tail; parapodial margin white.Distribution
Type locality: Tannowa, Osaka Bay, Japan. Recorded along the Japanese coast and from Hong Kong and Korea, on intertidal to shallow subtidal rocky shores and in tide pools.Etymology
The specific epithet combines Latin niger ("black") and caput ("head"), referring to the species' distinctive black head. The Japanese vernacular name Izumi-midorigai refers to Izumi (和泉) Province, the historical district containing the type locality.Remarks
A sacoglossan that practises kleptoplasty, retaining functional chloroplasts from its algal food.References
- Elysia (Elysia) nigrocapitata BABA, n. n. Izumi-midorigai (n.n.), Baba K. (1957). THE SPECIES OF THE GENUS ELYSIA FROM JAPAN. Publications of the Seto Marine Biological Laboratory. 6(1): 69-74. https://doi.org/10.5134/174573
- イズミミドリガイ, 高岡高等学校生物研究会(編). (1964). 富山湾産後鰓類図譜.
- 高岡生物研究会. (2002). 日本海のウミウシ. 第2版.
- イズミミドリガイ, 中野理枝. (2004). 本州のウミウシ. ラトルズ.
- Trowbridge C.D., Hirano Y.M., Hirano Y.J., Nishida K. & Sudo K. (2011). North-west Pacific sacoglossan guild associated with filamentous green algae (Family Cladophoraceae and Family Boodleaceae). Marine Biodiversity Records. 4: e67. https://doi.org/10.1017/S1755267211000170
- イズミミドリガイ, 中野理枝. (2018). 日本のウミウシ. 文一総合出版.
Featured in this book
中野理枝. (2019). 日本のウミウシ. 第二版. 文一総合出版.
文一総合出版
This species, Elysia nigrocapitata, is included in the book.
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Tag:
Same Genus Nudibranchs
Similar Colors Nudibranchs
Academic Database
Sea slug observation data is available in international marine biodiversity databases.