Etrumeus micropus is a species of round-herring that occurs in the western Pacific Ocean.
Taxonomy Etrumeus micropus was treated as a junior synonym of E. teres by Whitehead (1985), who nonetheless suggested that E. teres might be divisible into species or subspecies.Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. Randall (2007) recognized Etrumeus micropus as a valid species from Japan, Korea, and the Hawaiian Islands, while noting that DNA testing might render the Hawaiian population distinct from the East Asian populations.Randall, J.E., 2007. Reef and shore fishes of the Hawaiian Islands. Sea Grant College Program, University of Hawai'i, Honolulu. i-xivb + 1-546. Subsequent DNA analysis by Randall and DiBattista (2012) showed that the Hawaiian population of Etrumeus micropus is distinct species, which the authors named Etrumeus makiawa.Randall, J.E. & DiBattista, J.D. (2012). Etrumeus makiawa, a new Species of Round Herring (Clupeidae: Dussumierinae) from the Hawaiian Islands. Pacific Science 66 (1): 97-110.
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