Trinchesia ocellata is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Trinchesiidae.MolluscaBase eds. (2026). MolluscaBase. Tenellia ocellata (Schmekel, 1966). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1793362 on 2026-03-02Korshunova T.; Fletcher K.; Martynov A. (2025). The endless forms are the most differentiated—how taxonomic pseudo-optimization masked natural diversity and evolution: the nudibranch case Zoological Journal of the Linnean Society, Volume 204, Issue 4, August 2025, zlaf057,
Distribution This species was described from the Gulf of Naples, Italy. It has been recorded on the coasts of the Mediterranean Sea from Italy to Spain.Rudman, W.B., 2001 (April 29) Cuthona ocellata (Schmekel, 1966). [In] Sea Slug Forum. Australian Museum, Sydney.Ballesteros, Manuel, Enric Madrenas, Miquel Pontes et al. (2012-2016) Tenellia ocellata in OPK-Opistobranquis, Published: 17/05/2012, Accessed: 27/12/2016.
Ecology Trinchesia ocellata is found on a number of colonial hydroids including Sertularella and Halecium labrosum.
References
Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213
External links Ortea J., Moro L., Bacallado J.J. & Sanchez J.J. (2008) Nuevas aportaciones a la fauna de opistobranquios (Mollusca: Gasteropoda) de las islas Canarias. Vieraea 36: 129-136