Thorunna africana is a small species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.MolluscaBase (2018). Thorunna africana Rudman, 1984. Accessed on 2018-12-23.
Distribution This species was described from the Sudanese Red Sea and Tanzania with the type locality being Dar Es Salaam. It has been reported from MadagascarBidgrain, P. Thorunna africana South-west Indian Ocean Seaslug site, accessed 2018-12-23. and the Andaman Islands.Rudman, W.B., 1998 (November 11) Thorunna africana Rudman, 1984. [In] Sea Slug Forum. Australian Museum, Sydney.
Description This is a small nudibranch, growing to . It is white in colour with a yellow, ruffled, margin to the mantle. The gills and rhinophores are white with bright red lines.
Ecology Thorunna africana feeds on sponges of the genus Dysidea.
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