Caspian trout
The Caspian trout, depicted on a 1993 stamp from Azerbaijan as Salmo trutta caspius.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Salmo
Species:
S. caspius
Binomial name
Salmo caspius
Kessler, 1877
Synonyms
  • Salmo trutta caspius
The fish labeled with the letter B in this figure is a specimen of S. caspius.
The Caspian trout, depicted on a 2020 stamp from Kazakhstan, also as Salmo trutta caspius.

The Caspian trout (Salmo caspius)[1] is a disputed species of fish in the family Salmonidae. It is native to Eurasia, where it occurs only in the southern Caspian Sea basin. It reaches 25 cm (9.8 inches) in standard length.[2] While historically considered a distinct species, recent evidence suggests that the Caspian trout, as well as the Black Sea salmon (Salmo labrax) and the Abant trout (Salmo abanticus) are not distinct species but are instead morphs of the brown trout (Salmo trutta).[3]

References

  1. ↑ "WoRMS - World Register of Marine Species - Salmo caspius Kessler, 1877". www.marinespecies.org. Retrieved 2022-09-06.
  2. ↑ Froese, Rainer; Pauly, Daniel, eds. (2022). "Salmo caspius". FishBase.
  3. ↑ Kalayci, G., Ozturk, R.C., Capkin, E., & Altinok, I. (2018). Genetic and molecular evidence that brown trout Salmo trutta belonging to the Danubian lineage are a single biological species. Journal of fish biology, 93 5, 792-804 .
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