Eumicrotremus is a genus of lumpfishes native to the northern oceans. The name for this genus comes from the Greek roots eu meaning "good", mikros meaning "small" or "little", and trema meaning "hole".
Taxonomy Eumicrotremus was first proposed as a genus in 1862 by the American biologist Theodore Gill with Johan Christian Fabricius's Cyclopterus spinosus as its type species. The 5th edition of Fishes of the World does not recognize subfamilies within the Cyclopteridae, however, other authorities place this genus in the subfamily Eumicrotreminae.
Species There are currently 18 recognized species in this genus: Eumicrotremus andriashevi Perminov, 1936 E. a. aculeatus Voskoboinikova & Nazarkin, 2015 (Andriashev's spicular-spiny pimpled lumpsucker)Voskoboinikova, O.S. & Nazarkin, M.V. (2015): Redescription of Andriashev’s spiny pimpled lumpsucker Eumicrotremus andriashevi and designation of a new subspecies E. andriashevi aculeatus ssp. n. (Cyclopteridae). Journal of Ichthyology, 55 (2): 155-161. E. a. andriashevi Perminov, 1936 (Andriashev's spiny pimpled lumpsucker) Eumicrotremus asperrimus (S. Tanaka (I), 1912) Eumicrotremus awae (Jordan & Snyder, 1902) Eumicrotremus barbatus (Lindberg & Legeza 1955)
Eumicrotremus bergi Popov, 1929 Eumicrotremus brashnikowi (P. J. Schmidt, 1904)
Eumicrotremus derjugini Popov, 1926 (Leather-fin lumpsucker) Eumicrotremus fedorovi (Mandritsa, 1991) (Fedorov's lumpsucker) Eumicrotremus gyrinops (Garman, 1892) Eumicrotremus jindoensis S. J. Lee, J.-K. Kim, Y. Kai, S. Ikeguchi, & T. Nakabo, 2017
Eumicrotremus inarmatus Mednikov (ru) & Prokhorov, 1956 (Bumpy lumpsucker) Eumicrotremus jordani Soldatov, 1929 (Smooth lumpfish) Eumicrotremus lindbergi Soldatov, 1930 Eumicrotremus mcalpini (Fowler, 1914) (Arctic lumpsucker)
Eumicrotremus multituberculatus Voskoboinikova 2018
Eumicrotremus ochotonensis Popov 1928
Eumicrotremus orbis (Günther, 1861) (Pacific spiny lumpsucker) Eumicrotremus pacificus P. Y. Schmidt, 1904 Eumicrotremus phrynoides C. H. Gilbert & Burke, 1912 (Toad lumpsucker) Eumicrotremus popovi Soldatov, 1929
Eumicrotremus schmidti Lindberg & Legeza, 1955 Eumicrotremus spinosus (J. C. Fabricius, 1776) (Atlantic spiny lumpsucker) Eumicrotremus taranetzi Perminov, 1936 Eumicrotremus tartaricus Lindberg & Legeza, 1955 Eumicrotremus terraenovae G. S. Myers & J. E. Böhlke, 1950 Eumicrotremus tokranovi Voskoboinikova, 2015 (Tokranov's lumpsucker) Eumicrotremus uenoi S. J. Lee, J.-K. Kim, Y. Kai, S. Ikeguchi, & T. Nakabo, 2017
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