Lobiger viridis Pease, 1863
- Location
- Sokodo(Sanmata), Hachijo Island, Tokyo, Japan
- Date
- 2016/07/12
- Length
- 6mm
- Depth
- 5.0m
- Water temperature
- 22.0℃
Description
Ground colour is grass-green. The head, parapodia and tail bear small yellow-brown tubercles. Two pairs of parapodial flaps are conspicuously elongate; the elongated parapodial margins are jagged-edged, with the projecting portions rolling inward to form knob-like processes. These rolled portions sometimes show a pinkish tint. The rhinophores are grass-green, with yellow-brown or pinkish tips.Reaches about 15 mm in length.
Distribution
Western Pacific and central Pacific.Remarks
Feeds on green algae of the genus Caulerpa. The Japanese vernacular name "Midori-furisode-midori-gai" was proposed in "Opisthobranchs of the Ryūkyū Islands. 1. Cephalaspidea." Some confusion exists with the related "Furisode-midori-gai" name, since the relevant treatment in "Opisthobranchs of Sagami Bay (Supplement)" does not describe a blue stripe on the shell that some other treatments mention.References
- genus Lobiger n. gen. (type sp. Lobiger philippi), Krohn A. (1847). Observations sur deux nouveaux genres de Gastéropodes (Lobiger et Lophocercus). Annales des Sciences Naturelles (Zoologie). 7: 52-60.
- Lobiger ? (sp. without specific name; later named viridis by Pease, 1863), Pease W.H. (1861). Descriptions of new species of Mollusca from the Pacific Islands. Proceedings of the Zoological Society of London. 1861: 242-247.
- フリソデミドリガイ, Lobiger sagamiensis Baba, 1952, 生物學御研究所編. (1955). 相模湾産後鰓類図譜〈補遺〉. 岩波書店.
- Ichikawa M. (1993). Saccoglossa (Opisthobranchia) from the Ryukyu Islands. Publications of the Seto Marine Biological Laboratory. 36(3): 119-139. https://doi.org/10.5134/176229
- ヴィリディス, 小野篤司. (1999). ウミウシガイドブック. TBSブリタニカ.
- フリソデミドリガイ, 中野理枝. (2004). 本州のウミウシ. ラトルズ.
- フリソデミドリガイ, 小野篤司. (2004). 沖縄のウミウシ. ラトルズ.
- フリソデミドリガイ, 小野篤司 & 加藤昌一. (2009). ウミウシ. 誠文堂新光社.
- 中野理枝, 今川郁 & 今本淳. (2013). 南西諸島の後鰓類1. 頭楯亜目. ちりぼたん. 43(1-4): 1-22.
- ミドリフリソデミドリガイ（新称）, フリソデミドリガイ, 中野理枝, 今川郁 & 今本淳. (2015). 南西諸島で記録された嚢舌類の報告. Kuroshio Biosphere. 11: 41-60.
- Lobiger sp. 1, Terrence Gosliner, Ángel Valdés and David Behrens. (2015). Nudibranch and Sea Slug Identification Indo-Pacific. New World Pubns Inc.
- フリソデミドリガイ, ミドリフリソデミドリガイ, 中野理枝. (2018). 日本のウミウシ. 文一総合出版.
Featured in this book
Terrence Gosliner, Ángel Valdés and David Behrens. (2018). Nudibranch and Sea Slug Identification Indo-Pacific 2nd Edition. New World Pubns Inc.
New World Publications
This species, Lobiger viridis, is included in the book.
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Academic Database
Sea slug observation data is available in international marine biodiversity databases.