Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce demersal. Temperate; 41°N - 40°N, 44°E - 46°E
Former USSR: Armenia, Lake Sevan.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 104 cm TL macho / no sexado; (Ref. 593); common length : 33.0 cm TL macho / no sexado; (Ref. 593); peso máximo publicado: 17.0 kg (Ref. 593)
The adults spawn in the lake proper at a depth range of 0.5 to 3 m, over fine gravel. Two spawning stocks are known: one spawns in the northwestern corner of the lake from the beginning of November till the end of December; the other spawns at the southeastern corner, from the middle or the end of January till the end of March. This fish approaches the coast twice a year: from April till July and from October till December. In mid winter and at the end of summer, it leaves the coasts to stay at greater depth. Adults feed exclusively on sand hoppers (Amphipoda) (Ref. 593).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Needs better reference.
Berg, L.S., 1962. Freshwater fishes of the U.S.S.R. and adjacent countries. volume 1, 4th edition. Israel Program for Scientific Translations Ltd, Jerusalem. (Russian version published 1948). (Ref. 593)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: comercial; pesca deportiva: si
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00488 - 0.02245), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.3 ±0.53 se; based on food items.
Resiliencia (Ref.
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Assuming tm=3-4).
Fishing Vulnerability (Ref.
59153): High vulnerability (62 of 100).