clade Euthyneura clade Nudipleura clade Nudibranchia clade Dexiarchia clade Cladobranchia Rubramoena amoena is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Fionidae.

[2] This species was described from Torbay, Devon, England.

It has been reported from the NE Atlantic from Orkney south to Portugal and in the Mediterranean Sea.

[3][4] The typical adult size of this species is 5–12 mm.

[5] Rubramoena amoena feeds on hydroids of the genus Halecium.