Clinus helenae, the Helen's klipfish, is a species of clinid that occurs in subtropical waters of the Atlantic Ocean around South Africa where it is a denizen of tide pools. This species can reach a maximum length of 10 centimetres (3.9 in) TL. The identity of the person honoured in the matronym in this species' specific name is thought to be J.L.B. Smith's mother-in-law Helen Evelyn Zondagh (1877-1951).

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