Leptoderma affinis, the eel slickhead, is a species of slickheads found in the Indian Ocean.Tsarin, S.A., 1985. New data on the distribution of species of the Myctophum asperum group (Myctophidae) in the equatorial waters of the western part of the Indian Ocean. J. Ichthyol. 25(5):132-135.

Description This species reaches a length of .

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