Myja hyotan Martynov, Mehrotra, Chavanich, R. Nakano, Kashio, Lundin, Picton & Korshunova, 2019
MORPHOLOGY
Up to eight ceratal rows, ground colour translucent greyish, ceratal cores white to dark greyish, ceratal tops dull reddish, no apical white spot, anterior cerata with prominent dark brownish basal spot, sparse white spots in the first half of the dorsal part, white gonad spherules very dense, cerata considerably widened at top with smaller separate cupola-shaped tip, central tooth narrowly triangular with largely non-pitted top and only few denticles, up to ten small denticles, irregular in size; no accessory penial gland, penis unarmed.DISTRIBUTION
Central parts of the Pacific coast of main Japanese island Honshu; potentially can occur at the southern parts of Honshu and Kyushu.ETYMOLOGY
After the Japanese name hyōtan (瓢箪, ヒョウタン) for the calabash Lagenaria siceraria, the fruits of which are very similar in shape to the peculiar cupola- shaped tip of cerata of this new Myja species.References
- Eubranchus sp. 7, 中野理枝. (2004). 本州のウミウシ. ラトルズ.
- Myja longicornis, Terrence Gosliner, Ángel Valdés and David Behrens. (2015). Nudibranch and Sea Slug Identification Indo-Pacific. New World Pubns Inc.
- ウメガエミノウミウシ（新称）, 中野理枝. (2018). 日本のウミウシ. 文一総合出版.
- Myja longicornis, Terrence Gosliner, Ángel Valdés and David Behrens. (2018). Nudibranch and Sea Slug Identification Indo-Pacific 2nd Edition. New World Pubns Inc.
- Martynov A., Mehrotra R., Chavanich S., Nakano R., Kashio S., Lundin K., Picton B. & Korshunova T. (2019). The extraordinary genus Myja is not a tergipedid, but related to the Facelinidae s. str. with the addition of two new species from Japan (Mollusca, Nudibranchia). ZooKeys. 818: 89-116. https://doi.org/10.3897/zookeys.818.30477
- ウメガエミノウミウシ, スズナリヒョウタンミノウミウシ（新称）, 中野理枝. (2019). 日本のウミウシ. 第二版. 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, Myja hyotan, is included in the book.
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Photos of Myja hyotan
Same Genus Nudibranchs
Similar Colors Nudibranchs
Academic Database
Sea slug observation data is available in international marine biodiversity databases.