| Hucho | |
|---|---|
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| Hucho hucho | |
Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Salmoniformes |
| Family: | Salmonidae |
| Subfamily: | Salmoninae |
| Genus: | Hucho Günther, 1866 |
| Type species | |
| Salmo hucho[1] Linnaeus, 1758 | |
Hucho is agenus of largepiscivoroussalmonidfish known astaimens (fromFinnishtaimen, 'trout', throughRussian:тайме́нь,romanized: taĭménʹ), and is closely related toPacific trout andlenoks (all belonging to the sametribe in thesubfamilySalmoninae). Native to the cold rivers and otherfreshwater habitats inEurasia, they arethreatened byoverfishing andhabitat loss.
The earliest fossil remains of this genus are known from theLate Oligocene tomiddle Miocene of theVitim Plateau in Russia. Younger remains are also known from theLate Miocene of Ukraine and theLate Pleistocene of Germany.[2]
The currently recognized species in this genus are:[3]
| Image | Scientific name | Common name | Distribution |
|---|---|---|---|
| Hucho bleekeriSh. Kimura, 1934 | Sichuan taimen | Yangtze basin in China | |
| Hucho hucho(Linnaeus,1758) | huchen, Danube salmon | endemic to the Danube basin in Europe |
| Hucho ishikawaeT. Mori, 1928 | Korean taimen | North Korea and China | |
 | Hucho taimen(Pallas, 1773) | Siberian taimen, Siberian giant trout, and Siberian salmon | Siberia |
In addition, theSakhalin taimen was formerly placed in this genus, butgenetics and other evidence has shown that it belongs in its own monotypic genus asParahucho perryi.[4][5][6]
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