Stenodus leucichthys

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Stenodus leucichthys

Extinct in the Wild  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Stenodus
S. leucichthys
Binomial name
Stenodus leucichthys
  • Salmo leucichthys Güldenstädt, 1772
  • Stenodus leucichthys leucichthys (Güldenstädt, 1772)
  • Salmo nelma (non Pallas, 1773)

Stenodus leucichthys is a species of freshwater whitefish in the family Salmonidae. In the strict sense its natural distribution is restricted to the Caspian Sea basin. It is now considered extinct in the wild, but survives in cultured stocks.[1][2] The nelma (Stenodus nelma), a more widespread species of Eurasian and North America, is sometimes considered its subspecies.[3][4]


Alternatively, the name Stenodus leucichtys has been used in a broader sense, referring to a widespread species composed of two

sheefish or inconnu, is currently often considered as a distinct species Stenodus nelma.[1][3][5][4][6]

At a higher level, the genus Stenodus is not phylogenetically distinct from the broader lake whitefish genus Coregonus, although it is phenotypically characterized by a specialized predator morphology.[7]

Description and status

The fish has a large mouth with a protruding lower jaw and a high and pointed

predators of smaller fish.[citation needed

Aqbalyq used to inhabit particularly the

IUCN.[1][8] The stock however survives in hatcheries and some populations are maintained by stocking.[3]


External links