Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
دريايي; آب شيرين; لب شور pelagic-neritic; تغييرات عمق 1 - ? m (Ref. 27363). Subtropical; 11°C - 24°C (Ref. 52052); 26°S - 41°S
South America: southern Argentina and Río de La Plata. Introduced into Europe and Asia.
Length at first maturity / Size / Weight / سن
بلوغ: Lm 13.2 range ? - ? cm
Max length : 50.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 12187); بيشينه سن گزارش شده: 4 سال ها (Ref. 59043)
خارهاي باله پشتي (کل) : 6; شعاع نرم باله پشتي (کل) : 9; خارهاي باله مخرجي: 1; شعاع نرم باله مخرجي: 18 - 22. Body bluish brown dorsally, silvery ventrally. A broad silvery band with dark blue upper margin running from pectoral fin base to caudal fin base along midbody. Upper surface of head, pectoral and caudal fins blackish (Ref. 27363). Scales in the lateral line series above the lateral band 52-60; predorsal scales 28-35 (Ref. 47314).
Body shape (shape guide): elongated.
Inhabit coastal lagoons and near estuaries, usually in freshwater (Ref. 27363, 59043). Gregarious. Adults feed on zooplankton. Mature adults spawn for the first time at 1-2 years. Eggs are deposited among aquatic vegetation (Ref. 59043). Maximum length estimated from the fact that the congeneric Odontesthes incisa has a common length of 10 cm TL. This species is a cool water predator that has affected the abundance of other species native to the lakes (Ref. 1739). The fisheries has now flourished especially in lakes and reservoirs, in Peru, Argentina, southern Brazil and Chile.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Dyer, B.S., 1998. Phylogenetic systematics and historical biogeography of the neotropical silverside family Atherinopsidae (Teleostei: Atheriniformes). p. 519-536. In L.R. Malabarba, R.E. Reis, R.P. Vari, Z.M.S. Lucena and C.A.S. Lucena (eds.) Phylogeny and classification of neotropical fishes. Porto Alegre: EDIPUCRS. (Ref. 33128)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Potential pest
استفاده انسانی
ماهي گيري – شيلات: ارزش تحاري اندك; آبزي پروري: تجاري; ماهي ها ي سرگرم كننده: بله
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00314 - 0.00878), b=3.05 (2.91 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (مرجع
69278): 2.6 ±0.24 se; based on food items.
Generation time: 2.0 (1.5 - 2.8) years. Estimated as median ln(3)/K based on 31
growth studies.
جهندگی (مرجع
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.1; tmax=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
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Nutrients (Ref.
124155): Calcium = 114 [67, 217] mg/100g; Iron = 1.57 [0.90, 2.57] mg/100g; Protein = 19.5 [17.2, 22.2] %; Omega3 = 0.284 [0.129, 0.706] g/100g; Selenium = 22.1 [9.9, 46.3] μg/100g; VitaminA = 6.4 [2.1, 20.1] μg/100g; Zinc = 1.19 [0.84, 1.68] mg/100g (wet weight);
