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The white specimen is posibly a juvenile, almost adult, albino form - juveniles can have black rhinophores, read on this Richard Willan's comment at the Sea Slug Forum but it might be as well a juvenile of an undescribed Notodoris sp. -
on the Sea Slug Forum are several pictures of a white species from South Africa as Notodoris sp. 2.
This species was posted on 5 July 2003 on these websites as Notodoris citrina Bergh, 1875,
Fahey & Gosliner (2004) synonymized Notodoris with Aegires Lovén, 1844, I changed the name
on 3 February 2005 into Aegires citrinus (Bergh, 1875) [Notodoris],
Moro & Ortea (2015) removed Notodoris from synonymy under Aegires.
I changed the name back to Notodoris citrina Bergh, 1875 on 1 February 2016.
Fahey S.J. & T.M. Gosliner. 2004. A Phylogenetic Analysis of the Aegiridae Fischer, 1883 (Mollusca, Nudibranchia, Phanerobranchia) with Descriptions of Eight New Species and a Reassessment of Phanerobranch Relationships.
Proceedings of the California Academy of Sciences 55 (34): 613-689, 82 figs., 4 tables.
Moro L. & Ortea J. (2015). Nuevos taxones de babosas marinas de las islas Canarias y de Cabo Verde (Mollusca: Heterobranchia).
Vieraea 43: 21-86
More information on Notodoris citrina are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2016), published 1 February 2016, Notodoris citrina Bergh, 1875
available from http://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Notodoris_citrina.htm