Sevan Trout
Salmo ischchan Kessler, 1877
Also calledIschchan (deu) · Pstrag sewanski a. gokszynski (pol) · Saumon du lac Sevan (fra) · Sevan-ørred (dan) · Sevanintaimen (fin) · Sevanska pastrva (hrv) · Sewan-Forelle (deu) · Truite du lac Sevan (fra) · pstruh sevanský (ces) · Ишхан (rus) · Севанская форель (rus) · Սևանի իշխան (hye) · 塞凡湖鱒 (zho)
First described in: Kessler, K. F. (1877). The Aralo-Caspian Expedition. IV. Fishes of the Aralo-Caspio-Pontine ichthyological region. <em>Fishes of the Aralo-Caspio-Pontine ichthyological region. St. Petersburg.</em> i-xxviii + 1-360, Pls. 1-8.
Descriptions from checklists and floras indexed by GBIF
biology_ecology
Habitat. Lacustrine, spawned in lake, in gravel, close to springs and in mouth of inflowing streams. Biology. Spawned in autumn – early winter. Fed mainly on benthic gammarid crustaceans.
Handbook of Freshwater Fishes of West Asia
diagnosis
Diagnosis. Distinguished from other species of Salmo in Caspian basin by: ○ flank with small or middle-sized black spots, smaller than 10 mm in diameter in individuals larger than 300 mm SL / ○ flank silvery, without orange spots / ○ parr marks present up to about 100 mm SL. Size up to 760 mm SL and 15 kg.
Handbook of Freshwater Fishes of West Asia
discussion
Remarks. The name S. danilewskii has been used for small individuals feeding on gammarids and plankton. Salmo danilewskii is a synonym, and these fish were most likely small individuals of S. ischchan.
Handbook of Freshwater Fishes of West Asia
In the stacks
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Every page naming Salmo ischchan in the Biodiversity Heritage Library →
From the GBIF Backbone Taxonomy and occurrence records (GBIF.org), with Wikipedia and the Source Library. GBIF species 2351641.