Eumicrotremus spinosus,^[4][5] commonly known as the Atlantic spiny lumpsucker, is a species of lumpfish native to the Arctic and North Atlantic.

Quick Facts Eumicrotremus spinosus, Conservation status ...

Eumicrotremus spinosus
Conservation status
Data Deficient  (IUCN 3.1)[1]
Secure  (NatureServe)[2]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Scorpaeniformes
Family:	Cyclopteridae
Genus:	Eumicrotremus
Species:	E. spinosus
Binomial name
Eumicrotremus spinosus (J. C. Fabricius, 1776)
Synonyms[3]
Cyclopterus spinosus J. C. Fabricius, 1776 Lethotremus armouri Fowler, 1914 Eumicrotremus spinosus eggvinii Koefoed, 1956 Eumicrotremus eggvinii Koefoed, 1956

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Eumicrotremus spinosus was first formally described as Cyclopterus spinosus in 1776 by the Danish zoologist Johan Christian Fabricius, with its type locality given as Greenland.^[6] In 1862 the American biologist Theodore Gill proposed a new genus Eumicrotremus with Fabricius's Cyclopterus spinosus designated as its type species.^[7]

The Atlantic spiny lumpsucker is a small fish that reaches a maximum length of 13.2 cm (5.2 in). The species appears to be variable in color but typically ranges from brown to dull orange or red. It is a benthic fish that feeds on crustaceans, smaller fishes, and Oikopleura.^[3]

Atlantic spiny lumpsuckers are found in the Arctic and coastal parts of the North Atlantic. They are known from the Barents Sea, Svalbard, Franz Josef Land, Greenland, Iceland, Norway, the Hudson Bay, and the Canadian Arctic, as well as ranging south to Massachusetts.^[2] Within Canada, they have been reported from Quebec, the Northwest Territories, and Nunavut. They occur at depths of 30 to 400 m (98 to 1312 ft), where they are most frequently seen over and on stony bottoms.^[3]