Pseudobiceros gloriosus  Newman & Cannon, 1994

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Pseudobiceros gloriosus is characterized by the black background with three marginal bands, inner orange, middle pink bordered with a burgundy rim.
Let me quote Marcela Bolanos at LifeDesks:
"External anatomy: Large body with a black background of velvety appearance and three marginal bands: the inner is wide and orange, the middle is narrow and pink and outer is a dark burgundy rim. The pseudotentacles have only the orange line and the burgundy rim. The larger specimens have a narrow pink median line, starting in the cerebral eyespots and ending before the posterior margin."
How to cite:
Köhler, E. (2017), published 10 February 2017, Pseudobiceros gloriosus  Newman & Cannon, 1994
available from https://www.Philippine-Sea-Slugs.com/Look-alike/Platyhelminthes/Pseudobiceros_gloriosus/Select.htm