The goiter blacksmelt (''Bathylagus euryops'') is a species of

deep-sea smelt The deep-sea smelts are any members of the family Bathylagidae, a distinct group of marine smelts. Deep-sea smelts are marine fishes found in deep waters throughout the oceans, down to in depth. They are small fishes, growing up to long. They ...

found in the

North Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe an ...

. It is the biomass-dominant pelagic fish over the

Mid-Atlantic Ridge The Mid-Atlantic Ridge is a mid-ocean ridge (a divergent or constructive plate boundary) located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world. In the North Atlantic, the ridge separates the North ...

when the entire water column is fully considered. The water-column in which it resides is deep. No topographic trapping can be performed on the species as they do not vertically migrate. This species grows to a length of .

References

*
at ITIS.gov
Bathylagus Fish of the Atlantic Ocean Fish described in 1896 {{Argentiniformes-stub