Czechia (Czech Republic) country information

Common names: Síh bajkalský
Occurrence: introduced
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ez.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Hanel, L., 2003
National Database:

Common names from other countries

Омуль, 秋(凹目)白鲑, Pollan, ... more

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes(جنس, الانواع) | ITIS | CoL | WoRMS | Cloffa

> Salmoniformes (Salmons) > Salmonidae (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).
More on author: Pallas.

Environment: milieu / climate zone / depth range / distribution range البيئة

بحري; المياه العذبة; مياه مخلوطة; أسماك صاعدة (Ref. 51243). Polar; 84°N - 49°N, 8°W - 95°W

التوزيع دول | مناطق الفاو | النظام البيئي | الظهور | Point map | مقدمة | Faunafri

Europe: All drainages (except Ob and Baikal) of Arctic Ocean in Eurasia from Mezen eastward. North America: Cape Barrow to Coronation Bay. Introduced in many localities of former USSR, but not established (Ref. 59043).

Length at first maturity / الحجم / وزن / العمر

Maturity: L_m ? range ? - ? cm
Max length : 65.0 cm SL ذكر/ مختلط الجنس; (Ref. 59043); common length : 47.0 cm TL ذكر/ مختلط الجنس; (Ref. 12193); العمر: 12 سنين (Ref. 59043)

وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 10 - 12; شوكة شرجية: 0; أشعه شرجية لينه: 12 - 14; فقرات: 64 - 67. Distinguished by the pale or colorless pelvic fins, a terminal mouth and the presence of 41 to 48 gill rakers on the 1st gill arch (Ref. 27547). Dorsal fairly high and slightly falcate; pelvic with axillary process (Ref. 27547). Brown to dark greenish above fading to silvery on sides and belly; fins pale (Ref. 27547).

Occurs in brackish waters (20-22 ppt) of coastal lagoons and mouths of rivers and bays (Ref. 4779). Mostly in larger lowland rivers (Ref. 59043). Nerito-pelagic (Ref. 58426). Feeds on small crustaceans, insects, small fishes (Ref. 28219, 28857), worms and clams (Ref. 58426). At sea, feeds on larger crustaceans and small fish (Ref. 59043). No feeding occurs during the upstream migration (Ref. 4779). Lives 10 -12 years, rarely up to 20 (Ref. 59043). Enters rivers in shoals to spawn (Ref. 4779). Spends 6-8 years at sea before maturing and returning to rivers in June - July, to spawn in September - October of same year. A second run in autumn; those fishes remain a year in rivers before spawning. Moves far upstream, sometimes our to 1500 km. Spawns in shallow tributaries with some current in well oxygenated water over gravel bottom. Individual females do not spawn every year; spawns only 2-3 times during entire life. After spawning adults return directly to sea. Embryonic development lasts up to 7 months. Alevins migrate downstream in May - June (Ref. 59043). Collected by fyke nets (Ref. 4526). An important commercial species, but catches and abundance markedly reduced in last years (Ref. 59043).

Life cycle and mating behavior Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae

Mature adults migrate upstream in the summer and may cover as much as 1,000 km (Ref. 28219) to spawn over gravel in fairly swift water. After spawning, adults return downstream. Young probably hatch in the spring and descend rivers into estuaries (Ref. 27547). Coregonus autumnalis do not breed yearly (Ref. 28219, 28220).

المرجع الرئيسي Upload your references | مراجع | المنظم | المتعاونين

Wheeler, A., 1992. A list of the common and scientific names of fishes of the British Isles. J. Fish Biol. 41(suppl.A):1-37. (Ref. 5204)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

Harmless

استخدامات بشرية

مصائد: تجاري

FAO(Publication : search) | FishSource | البحر حولنا

مزيد من المعلومات

Trophic ecology
عناصر الغذاء
Diet compositions
Food consumptions
Food rations
مفتريسات

Ecology
البيئة
Home ranges

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
الطول- الترددات
Mass conversions
Recruitments
Abundances

Life cycle
التكاثر
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larvae
حركة انتقال اليرقات

Distribution
دول
مناطق الفاو
النظام البيئي
الظهور
مقدمة
BRUVS - Videos

Anatomy
Gill areas
دماغ
عظمة الأذن

Physiology
Body compositions
Nutrients
Oxygen consumptions
نوع السباحة
Swimming speeds
Visual pigment(s)
أصوات الأسماك
Diseases / Parasites
Toxicities (LC50s)

Genetics
جيني
Electrophoreses
Heritabilities

Human related
Aquaculture systems
ملامح تربية الأحياء المائية
سلالات
Ciguatera cases
Stamps, coins, misc.

Outreach
المتعاونين

Taxonomy
الأسماء الشائعة
مرادفات
الوصف الخارجي
قياسات المظهر الخارجي
صور

References
مراجع

أدوات

تقارير خاصة

البحث عن صيانت الأحواض المائيه | التحقق من وجود صفحات حقائق الأنواع | البحث عنا حقائق حول الأحواض المائيه

Download XML

صفحة الملخص | نقطة بيانات | الأسماء الشائعة | صور

مصادر علي الأنترنت

Estimates based on models

Preferred temperature (Ref. 115969): -1.7 - 3.4, mean -0.4 (based on 988 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00468 (0.00405 - 0.00540), b=3.22 (3.18 - 3.26), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

مستوى غذائي (Ref. 69278): 3.7 ±0.2 se; based on diet studies.

المرونه (Ref. 120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (tm=6; Fec=2,000).

Prior r = 0.40, 95% CL = 0.26 - 0.60, Based on 1 data-limited stock assessment.

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (52 of 100).

فئة السعر (Ref. 80766): Very high.

Coregonus autumnalis (Pallas, 1776)