Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά); Γλυκού νερού; Υφάλμυρο pelagic-neritic; εύρος βάθους 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 / Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm 13.2 range ? - ? cm
Max length : 50.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 12187); μεγ. αναφερόμενη ηλικία: 4 έτη (Ref. 59043)
Ραχιαίες άκανθες (συνολικά) : 6; Μαλακές ραχιαίες ακτίνες (συνολικά) : 9; Εδρικές άκανθες: 1; Μαλακές εδρικές ακτίνες: 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.
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Potential pest
Human uses
αλιεία: περιορισμένης εμπορικότητας; Υδατοκαλλιέργειες: Εμπορικό(ά); αλιεία αναψυχής: ναί
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
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).
Τροφικό Επίπεδο (Αναφ.
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.
Ελαστικότητα (Αναφ.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (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);
