Epigonus elongatus is a species of deepwater cardinalfish found in the Western Indian Ocean mainly north of Madagascar and quite near the Seychelles. This fish occurs at depths of .Abramov, A.A., 1992. Species composition and distribution of Epigonus (Epigonidae) in the world ocean. J. Ichthyol. 32(5):94-108.
Size This species reaches a length of .
Etymology The fish name means referring to its elongate body.
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