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The genus Aldisa Bergh, 1878 is relatively poorly studied. Up to now, no species have been described from the Western Indian Ocean. Two new species of the genus Aldisa are described from Zavora (Mozambique), Aldisa fragaria sp. nov. and Aldisa zavorensis sp. nov. Both species are characterized by having two oval depressions on the dorsum, a red mantle with yellowish-white patches and red rhinophores...
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