Epigonus affinis, the smooth-nose deepwater cardinalfish, is a species of deepwater cardinalfish found in the eastern-central Atlantic Ocean. 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 related to, referring to the similarity with Epigonus elegans
References