Deep-sea smelt

Deep-sea smelts
Goiter blacksmelt, Bathylagus euryops
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Osmeriformes
Family:	Bathylagidae
Genera
Bathylagichthys Bathylagoides Bathylagus Dolicholagus Leuroglossus Lipolagus Melanolagus Pseudobathylagus See text for species.

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.

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 Bathylagus
  • Bathylagus andriashevi Kobyliansky, 1986.
  • Bathylagus antarcticus Günther, 1878.
  • Bathylagus borealis Gilbert, 1896.
  • Bathylagus callorhini (Lucas, 1899).
  • Goiter blacksmelt, Bathylagus euryops Goode & Bean, 1896.
  • Bathylagus gracilis Lönnberg, 1905.
  • Bathylagus greyae Cohen, 1958.
  • Bathylagus niger Kobylyanskii 2006.^[1]
  • 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 smoothtongue, Leuroglossus schmidti Rass, 1955.
• Genus Lipolagus
  • Eared blacksmelt, Lipolagus ochotensis (Schmidt, 1938).
• Genus Melanolagus
  • Melanolagus bericoides (Borodin, 1929).
• Genus Pseudobathylagus
  • Stout blacksmelt, Pseudobathylagus milleri (Jordan & Gilbert, 1898).

References

• Froese, Rainer, and Daniel Pauly, eds. (2006). "Bathylagidae" in FishBase. January 2006 version.

1. ^ Kobylyanskii (2006). "Bathylagus niger sp. nova (Bathylagidae) Salmoniformes, a new species from subpolar waters of the Southern Ocean.". Vopr Ikhtiol 46 (4): 438.