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Clupeiformes (Herrings) >
Ehiravidae (River sprats)
Etymology: Clupeonella: Latin, clupea = sardine, derived from Clupeus = shield; diminutive (Ref. 45335).
Eponymy: Dr Oscar Andreevich von Grimm (1845–1921) was a Russian ichthyologist who was the Chief Inspector of Russian fisheries. [...] (Ref. 128868), visit book page.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; لب شور سطح زی; اقیانوس رو (Ref. 51243); تغييرات عمق ? - 32 m (Ref. 188). Temperate; 43°N - 35°N, 47°E - 54°E (Ref. 188)
Former USSR and Asia: central and southern parts of the Caspian Sea.
طول در اولین بلوغ / اندازه / وزن / سن
بلوغ: Lm 8.8  range ? - ? cm
Max length : 14.5 cm SL جنس نر / بدون خواص جنسي; (Ref. 188); common length : 11.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 188); بيشينه وزن گزارش شده: 23.00 g (Ref. 117561); بيشينه سن گزارش شده: 8 سال ها (Ref. 117561)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 13 - 21; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 12 - 23. Body moderately slender; head long and narrow; belly sharply keeled, with 26 to 32 scutes; pectoral fin tips rounded; last two anal fin rays enlarged; pterotic bulla absent; no notch at the center of the upper jaw.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Schools in the open sea, not approaching shores. Occurs mainly in the south in winter, migrating to the middle parts of the sea in spring and returning south in November-December. Found in upper layers in March-April, but descends to 16 to 32 m in summer and autumn. Feeds mainly on copepods, also pelagic mysids and small fishes. Breeds in January-September intermittently in the open sea. Stocks said to be depleted in southern part of Caspian Sea.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Whitehead, P.J.P., 1985. 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(7/1):1-303. Rome: FAO. (Ref. 188)
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
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00439 - 0.01196), b=3.01 (2.87 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
3.4 ±0.45 se; based on food items. |
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Generation time |
2.6 (2.2 - 4.1) years. Estimated as median ln(3)/K based on 11 growth studies. |
جهندگی (مرجع 120179) |
متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.). |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low to moderate vulnerability (26 of 100). 🛈 |
طبقه قيمت (Ref. 80766) |
Low.
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