Published November 12, 2025
| Version v1
Taxonomic treatment
Open
Salmo aestivalis
Authors/Creators
Description
Salmo aestivalis
Common name. Sevan spring trout.
Diagnosis. Distinguished from other species of Salmo in Caspian basin by: ○ flank silvery with black and red spots in individuals of all size groups / ○ parr marks distinct up to about 100 mm SL, absent or indistinct in larger individuals. Size up to 500 mm SL and 1.9 kg.
Distribution. Armenia: Lake Sevan basin.
Habitat. Lacustrine, spawns in lake and in mouths of tributaries.
Biology. Spawns in spring and early summer. Feeds mainly on benthic gammarid crustaceans.
Conservation status. VU; might by CR; may be extinct in the wild, surviving only through artificial propagation and stocking.
Further reading. Levin et al. 2022 (Sevan trout).
Notes
Published as part of Freyhof, Jörg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash & Kaya, Cüneyt, 2025, Handbook of Freshwater Fishes of West Asia, GmbH, Berlin / Boston :De Gruyter on page 628, DOI: 10.1515/9783111677811, http://zenodo.org/record/17881367
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Linked records
Additional details
Identifiers
Biodiversity
- Kingdom
- Animalia
- Phylum
- Chordata
- Order
- Salmoniformes
- Family
- Salmonidae
- Genus
- Salmo
- Species
- aestivalis
- Taxon rank
- species
References
- Levin, B., E. Simonov, B. K. Gabrielyan, R. L. Mayden, S. M. Rastorguev, H. R. Roubenyan, F. S. Sharko & A. V. Nedoluzhko. 2022. Caucasian treasure: Genomics sheds light on the evolution of half-extinct Sevan trout, Salmo ischchan, species flock. Molecular Phylogenetics and Evolution 167: 107346. https://doi.org/10.1016/j.ympev.2021.107346