Berthellina delicata (Pease, 1861) [Pleurobranchus]

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Berthellina delicata is impossible to distinguish externally from other Berthellina. This shot shows its egg-mass.
Thanks for identification by analysis of the internal organs to Terrence M. Gosliner, USA
How to cite:
Köhler, E. (2016), published 19 July 2016, Berthellina delicata (Pease, 1861)
available from http://www.Philippine-Sea-Slugs.com/Pleurobranchida/Berthellina_delicata.htm