Deep-sea smelt

Deep-sea smelts; Temporal range: Maastrichtian–present PreꞒ Ꞓ O S D C P T J K Pg N
	Goiter blacksmelt, Bathylagus euryops
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Argentiniformes
Family:	Bathylagidae; T. N. Gill, 1884
Genera
	Bathylagichthys; Bathylagoides; Bathylagus; Dolicholagus; Leuroglossus; Lipolagus; Melanolagus; Pseudobathylagus

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 1,500 m (4,900 ft) in depth. They are small fishes, growing up to 25 cm (9.8 in) long. They feed on plankton, especially krill.

Extinct genera known only from fossil remains include Quaesita from California, USA and Krumvirichthys from the Czech Republic. The oldest fossils are otoliths from the Maastrichtian.^[1]

References

^ Přikryl, Tomáš (2021-09-21). "KRUMVIRICHTHYS BRZOBOHATYI GEN. ET SP. NOV. – THE OLDEST RECORD OF THE DEEP-SEA SMELTS (BATHYLAGIDAE, ARGENTINIFORMES)". RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA. 127 (3). doi:10.13130/2039-4942/16421. ISSN 2039-4942.

Froese, Rainer; Pauly, Daniel (eds.). "Family Bathylagidae". FishBase. February 2012 version.

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[1] Přikryl, Tomáš (2021-09-21). "KRUMVIRICHTHYS BRZOBOHATYI GEN. ET SP. NOV. – THE OLDEST RECORD OF THE DEEP-SEA SMELTS (BATHYLAGIDAE, ARGENTINIFORMES)". RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA. 127 (3). doi:10.13130/2039-4942/16421. ISSN 2039-4942.

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