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Let me quote the description of Asteronotus hepaticus in IPN at page 173:
"This species differs from Asteronotus cespitosus by its reddish purple body color with occasional opaque white spots and more numerous tubercles."
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs.
Sea Challengers Natural History Books. Gig Harbor, Washington. 426pp.
How to cite:
Köhler, E. (2017), published 21 July 2017, Asteronotus hepaticus (Abraham, 1877)
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Asteronotus_hepaticus.htm