Salmo ischchan Kessler, 1877
Sevan trout
Taxonomy & Nomenclature
Synonyms: Salmo ischchan danilewskii Gulelmi, 1888; Salmo danilewskii Gulelmi, 1888
The danilewskii subspecies may be valid, in which case it would also be considered Extinct (Nedoluzhko et al., 2018; Freyhof, 2026).
Conservation Status
Extinct (Freyhof, 2026)
Last record: 19 May 1975 or later; before 1980s (Freyhof, 2026)
IUCN RedList status: Extinct
Distribution & Habitat
Lake Sevan drainage, Armenia
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Gulelmi, M. (1888). Lake Gokcha (Sevan) and its fisheries. Vestnik Rybopromyshlennosti St. Petersburg v. 3 (no. 2): 33-52. [In Russian. Author wrongly cited as Yakovlev in literature.]
Other references:
Bogdanowicz, Wiesław, Rutkowski, Robert, Gabrielyan, Bardukh K., Ryspaev, Akylbek, Asatryan, Anzhela N., Mkrtchyan, Jon A. and Bujalska, Barbara M. (2017). Fish introductions in the former Soviet Union: The Sevan trout (Salmo ischchan) — 80 years later. PLoS ONE 12(7): e0180605. https://doi.org/10.1371/journal.pone.0180605
Freyhof, J. (2026). Salmo ischchan. The IUCN Red List of Threatened Species 2026: e.T54923065A156769240. Accessed on 20 July 2026.
Nedoluzhko, Artem V. et al. (2018). Two complete mitochondrial genomes of extinct form of the Sevan trout Salmo ischchan danilewskii. Mitochondrial DNA Part B: Resources 3(1): 40-41.
Savvaitova, K.A., Petr, T. (1999). Fish and fisheries in Lake Sevan, Armenia, and in some other high altitude lakes of Caucasus, pp. 279-304. In: Petr, T. (Editor). Fish and Fisheries at Higher Altitudes: Asia. FAO Fisheries Technical Paper 385. Food and Agricultural Organization of the United Nations, Rome. 304 pages.
https://extinctanimals.proboards.com/thread/23086/salmo-ischchan-danilewskii