Common names from other countries
Issue
Similar to A. gueldenstaedti.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển; Nước ngọt; Thuộc về nước lợ gần đáy; di cư biển sông (để đẻ trứng) (Ref. 58888). Temperate; 52°N - 36°N, 38°E - 54°E
Eurasia: Caspian basin, most abundant in the southern part (Ref. 59043). Also distributed along the eastern Black Sea (Ref. 58888).
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 137.0  range ? - ? cm
Max length : 255 cm TL con đực/không giới tính; (Ref. 98365); Khối lượng cực đại được công bố: 70.0 kg (Ref. 58888)
Anadromous. Inhabits coastal and estuarine zones at the sea. Breeds in strong-current habitats in main course of large and deep rivers on stone or gavel bottom. Juvenile stay in riverine habitats during their first summer (Ref. 59043). Adults migrating to breed take the path of short, fast flowing mountain rivers (Ref. 33773). Maximum reported length for female is 176.1 cm TL(Ref. 58888).
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Các nghề cá: Tính thương mại
Các công cụ
Special reports
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Các nguồn 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=0.00407 (0.00227 - 0.00732), b=3.13 (2.98 - 3.28), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.7 ±0.59 se; based on food items.
Thích nghi nhanh (Ref.
120179): Rất thấp, thời gian nhân đôi của chủng quần tối thiểu là hơn 14 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (85 of 100).