Deep-sea smelt
Encyclopedia
The deep-sea smelts are a family, Bathylagidae, of osmeriform fishes.
They are marine fishes found in deep waters throughout the oceans, down to 1,500 m in depth. They are small fishes, growing up to 25 cm long. They feed on plankton
, especially krill
.
They are marine fishes found in deep waters throughout the oceans, down to 1,500 m in depth. They are small fishes, growing up to 25 cm long. They feed on plankton
Plankton
Plankton are any drifting organisms that inhabit the pelagic zone of oceans, seas, or bodies of fresh water. That is, plankton are defined by their ecological niche rather than phylogenetic or taxonomic classification...
, especially krill
Krill
Krill is the common name given to the order Euphausiacea of shrimp-like marine crustaceans. Also known as euphausiids, these small invertebrates are found in all oceans of the world...
.
Species
There are 23 species in eight genera:- Genus Bathylagichthys
- Bathylagichthys australis Kobyliansky, 1990.
- Bathylagichthys longipinnis (Kobyliansky, 1985).
- Bathylagichthys parini Kobyliansky, 1990.
- Bathylagichthys problematicus (Lloris & Rucabado, 1985).
- Genus Bathylagoides
- Bathylagoides argyrogaster (Norman, 1930).
- Genus BathylagusBathylagusBathylagus is a genus of ray-finned fish in the Bathylagidae family.-Species:* Bathylagus andriashevi Kobyliansky, 1986.* Bathylagus antarcticus Günther, 1878.* Bathylagus borealis Gilbert, 1896....
- Bathylagus andriashevi Kobyliansky, 1986.
- Bathylagus antarcticusBathylagus antarcticusBathylagus antarcticus is a deep-sea smelt of the family Bathylagidae, found in all the southern oceans as far south as Antarctica, from the surface to depths of 4,000 m...
Günther, 1878. - Bathylagus borealis Gilbert, 1896.
- Bathylagus callorhini (Lucas, 1899).
- Goiter blacksmeltGoiter blacksmeltThe Goiter blacksmelt is a type of Deep Sea smelt, the genera Bathylagidae.It is the biomass dominant pelagic fish over the Mid Atlantic Ridge when the entire water column is fully considered....
, Bathylagus euryops GoodeGeorge Brown GoodeGeorge Brown Goode , was an ichthyologist, although most of his time was spent as a museum administrator and he was very interested in the history of science, especially the history of the development of science in America. Goode graduated from Wesleyan University and studied at Harvard University...
& BeanTarleton Hoffman BeanTarleton Hoffman Bean was an American ichthyologist, born at Bainbridge, Pennsylvania on 8 October 1846. He died in Albany, New York on 28 December 1916.-FAMILY AND EDUCATION :...
, 1896. - Bathylagus gracilis Lönnberg, 1905.
- Bathylagus greyae Cohen, 1958.
- Bathylagus niger Kobylyanskii 2006.
- Blackchin blacksmelt, Bathylagus nigrigenys Parr, 1931.
- Slender blacksmelt, Bathylagus pacificus Gilbert, 1890.
- California smoothtongue, Bathylagus stilbius (Gilbert, 1890).
- Bathylagus tenuis Kobyliansky, 1986.
- Snubnose blacksmelt, Bathylagus wesethi Bolin, 1938.
- Genus Dolicholagus
- Longsnout blacksmelt, Dolicholagus longirostris (Maul, 1948).
- Genus Leuroglossus
- Northern smoothtongueNorthern smoothtongueThe Northern smoothtongue is a type of deepwater fish that can grow to a length of . The fish are located from the north Pacific Ocean southeast Hokkaido, Japan to Navarin Canyon in the Bering Sea as well as waters off southern British Columbia, Canada....
, Leuroglossus schmidti Rass, 1955.
- Northern smoothtongue
- Genus Lipolagus
- Eared blacksmelt, Lipolagus ochotensis (Schmidt, 1938).
- Genus Melanolagus
- Melanolagus bericoides (Borodin, 1929).
- Genus Pseudobathylagus
- Stout blacksmelt, Pseudobathylagus milleri (JordanDavid Starr JordanDavid Starr Jordan, Ph.D., LL.D. was a leading eugenicist, ichthyologist, educator and peace activist. He was president of Indiana University and Stanford University.-Early life and education:...
& Gilbert, 1898).
- Stout blacksmelt, Pseudobathylagus milleri (Jordan