Rostanga alisae

Rostanga alisae is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Discodorididae.

Distribution
This species was described from Peter the Great Bay, Japan Sea, Russia.

Ecology
This nudibranch is found from the intertidal zone to 15 m depth, feeding on the red sponge Ophlitaspongia pennata in the family Microcionidae.