Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce; estuarina pelágico(a,os,as); anádromo (Ref. 51243); intervalo de profundidade 20 - ? m (Ref. 9696). Temperate; 10°C - 20°C (Ref. 2059); 63°N - 36°N, 8°E - 73°E
Eurasia: Black Sea, Caspian Sea and Aral Sea basins; Baltic basin from Vistula to Neva drainages, southern Sweden and Finland, Lakes Ladoga and Onega. Occasionally on Baltic coast west of Vistula and on Finnish coast north of 61°N (Ref. 59043).
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL macho/indeterminado; (Ref. 556); common length : 25.0 cm TL macho/indeterminado; (Ref. 556); peso máx. Publicado: 2.0 kg (Ref. 556); Idade máx. registada: 11 anos (Ref. 27368)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Mouth oblique. Low wavy lateral line. Belly with a sharp edge (Ref. 35388).
Adults shoal in lower reaches of large rivers and in the eastern Baltic, the Caspian Sea and the Aral Sea. They spawn in spring in midstream (Ref. 9696) and return to estuaries to forage immediately after spawning (Ref. 59043). Juveniles may migrate to estuaries during first summer (Ref. 59043). Feed on zooplankton, terrestrial invertebrates and small fish (Ref. 59043).
Open water egg scatterers.
Muus, B.J. and P. Dahlström, 1968. Süßwasserfische. BLV Verlagsgesellschaft, München. 224 p. (Ref. 556)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Pescarias: pouco comercial
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00358 - 0.01465), b=3.14 (2.98 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.6 ±0.53 se; based on food items.
Generation time: 10.0 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (K=0.20; tmax=11).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).
Nutrients (Ref.
124155): Calcium = 66.5 [31.2, 113.7] mg/100g; Iron = 0.558 [0.337, 0.929] mg/100g; Protein = 18.7 [17.7, 19.7] %; Omega3 = 0.8 [0.4, 1.6] g/100g; Selenium = 7.91 [3.55, 16.95] μg/100g; VitaminA = 17.8 [5.7, 58.8] μg/100g; Zinc = 0.677 [0.485, 0.950] mg/100g (wet weight);