محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي; آب شيرين; لب شور pelagic-neritic; رود کوچ (Ref. 26213); تغييرات عمق 1 - 50 m (Ref. 189). Tropical; 9°N - 27°S, 61°W - 33°W (Ref. 189)
Western Atlantic: Orinoco delta in Venezuela south to Ponta da Cotinga, Paraná coast of Brazil.
طول در اولین بلوغ / اندازه / وزن / سن
بلوغ: Lm 9.4, range 7 - ? cm
Max length : 18.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 102462); common length : 9.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 5217); بيشينه وزن گزارش شده: 32.00 g (Ref. 118626)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 14 - 17; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 19 - 26. Body moderately elongate and compressed (Ref. 189). Snout short, about 2/3 eye diameter; maxilla relatively long, tip bluntly rounded, reaching to pre-operculum; gill cover canals of walkeri-type (Ref. 189). Anal fin fairly long, its origin below about middle of dorsal fin base. A broad silver stripe along flank, equal or greater than eye diameter below dorsal fin (Ref. 189).
Body shape (shape guide): elongated; Cross section: oval.
A schooling species found inshore. Most likely anadromous, entering estuaries and freshwater. Feeds on crustacean larvae or small invertebrates (Ref. 12225). Female maximum length from Ref. 71685.
Both sexes at maturity have a large amount of visceral and intermuscular fat (Ref. 189). Spawn in school (Ref. 205).
Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (Suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/2):305-579. Rome: FAO. (Ref. 189)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: ارزش تحاري اندك
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
دمای ترجیحی (مرجع
123201): 24.5 - 27.8, mean 27.2 °C (based on 68 cells).
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00470 - 0.00614), b=3.14 (3.10 - 3.18), in cm total length, based on LWR estimates for this species (Ref.
93245).
سطح تروفیک (مرجع
69278): 3.1 ±0.30 se; based on food items.
جهندگی (مرجع
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Fec=20,202).
آسیبپذیری ماهیگیری (Ref.
59153): Low vulnerability (10 of 100).
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مواد مغذی (Ref.
124155): Calcium = 273 [153, 637] mg/100g; Iron = 1.9 [1.1, 3.4] mg/100g; Protein = 18.3 [16.9, 19.7] %; Omega3 = 0.306 [0.154, 0.612] g/100g; Selenium = 41.1 [18.3, 94.0] μg/100g; VitaminA = 27.4 [8.1, 73.8] μg/100g; Zinc = 2.03 [1.39, 3.01] mg/100g (wet weight);
