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Sevan trout (Salmo ischchan) and Sevan khramulya (Varicorhinus capoeta) dominated in the fish landings. Drawing the water from the lake eventually led to an almost disappearance of the Sevan trout which became listed as an endangered fish species. Khramulya feeds on aquatic macrophytes and from the age 2+ also on detritus (Dadikyan, 1986). Since 1936, with the gradual deterioration of reproduction conditions due to the permanent exposure of many spawning grounds, and with many spawning grounds in rivers lost, khramulya stocks in Sevan have gradually declined.
[edit] Sources
- Rubenyan, A.R. 1985. Method of artificial rearing of Sevan khramulya.
- Verulashvili, G.G. 1981. Khramulya (Varicorhinus capoeta), a useful fish for fishery.
- Markosyan, A.G. et al. 1955. Stripping and rearing of Sevan khramulya.
