''Eumicrotremus eggvinii'', known as Eggvin's lumpsucker or the Eggvin lumpsucker, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

lumpfish The Cyclopteridae are a family of marine fishes, commonly known as lumpsuckers or lumpfish, in the order Scorpaeniformes. They are found in the cold waters of the Arctic, North Atlantic, and North Pacific oceans. The greatest number of species ar ...

known only from the

Barents Sea The Barents Sea ( , also ; no, Barentshavet, ; russian: Баренцево море, Barentsevo More) is a marginal sea of the Arctic Ocean, located off the northern coasts of Norway and Russia and divided between Norwegian and Russian territo ...

. Until a 2016 revalidation, this species was considered to be synonymous with ''

Eumicrotremus spinosus ''Eumicrotremus spinosus'', commonly known as the Atlantic spiny lumpsucker, is a species of lumpfish native to the Arctic and North Atlantic. Description The Atlantic spiny lumpsucker is a small fish that reaches a maximum length of 13.2 cm ...

'', though

FishBase FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.

still lists ''E. eggvinii'' as a synonym of ''E. spinosus''. This species can reportedly be distinguished from its relatives by the number and position of bone plaques.Voskoboinikova, O.S. & Chernova, N.V. (2016): Revalidation of the Eggvin lumpsucker ''Eumicrotremus eggvinii'' (Cyclopteridae) and its new finding near Franz Josef Land (Barents Sea). ''Journal of Ichthyology, 56 (1): 31-36.''

References

Cyclopteridae Fish of the North Atlantic Fish described in 1956 {{Scorpaeniformes-stub