Tenellia akibai (Baba, 1984)
Description
A small aeolid nudibranch reaching about 8 mm in body length. Two orange longitudinal lines run across the upper head. The species is often observed together with the externally similar Herviella affinis, from which it can be distinguished by the absence of black dots on the dorsum (which are conspicuous in H. affinis).Distribution
Type locality: Sagami Bay, Japan. The original description (Baba 1984) was based on specimens from Sagami Bay.Etymology
The specific epithet akibai honours Tamio Akiba, who collected the type material.References
A Kindle field guide by the site author
Kimoto N. (2026). Sea Slugs of Japan & the Indo-Pacific, 2nd Edition.
Kindle Edition
View on Amazon PR (Amazon Associates)Seasonality
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Photos of Tenellia akibai
Academic Database
Sea slug observation data is available in international marine biodiversity databases.