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Coregonus nigripinnis (Milner, 1874)

Blackfin cisco
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Image of Coregonus nigripinnis (Blackfin cisco)
Coregonus nigripinnis
Picture by Lyons, J.


Canada country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: scarce (very unlikely) | Ref: Page, L.M. and B.M. Burr, 1991
Importance: minor commercial | Ref: Coker, G.A., C.B. Portt and C.K. Minns, 2001
Aquaculture: | Ref:
Regulations: protected | Ref: Page, L.M. and B.M. Burr, 1991
Uses: no uses
Comments: Existing only in Lake Nipigon, Ontario (Ref. 5723). Protected as a threatened species (Ref. 5723). Status of threat : Coregonus nigripinnis nigripinnis: possibly extinct; status same as 1989. Criteria: 2,4; Coregonus nigripinnis regalis: threatened. Criteria: 2,4 (http://fisc.er.usgs.gov/afs/) (Ref. 81264).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ca.html
National Fisheries Authority: http://www.ncr.dfo.ca/home_e.htm
Occurrences: Occurrences Point map
Main Ref: Coker, G.A., C.B. Portt and C.K. Minns, 2001
National Database:

Common names from other countries

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).

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

; المياه العذبة القاع; نطاق العمق 2 - 160 m.   Temperate; 51°N - 41°N

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

North America: restricted to Great Lakes (Lake Huron in Canada-USA and Lake Michigan in USA) and Lake Nipigon in Canada.

الحجم / وزن / العمر

Maturity: Lm ?  range ? - ? cm
Max length : 39.0 cm TL ذكر/ مختلط الجنس; (Ref. 5723); common length : 33.0 cm TL ذكر/ مختلط الجنس; (Ref. 1998); العمر: 14 سنين (Ref. 12193)

وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 9 - 11; شوكة شرجية: 0; أشعه شرجية لينه: 10 - 13; فقرات: 56 - 59. This species is usually characterized by darkly pigmented fins and deep body. Body elongate, distinctly laterally compressed, and deep, the greatest body depth in front of the dorsal fin. Head triangular; eye large; snout blunt, its length usually greater than eye diameter; mouth terminal, lower jaw usually projecting beyond upper, sometimes equal to upper jaw, maxillary pigmented , and extending posteriorly to below the anterior edge of the pupil. Overall coloration dark silvery, with pink or purple iridescence on sides, back dark green to black and silvery below. Maxillary and mandible whitish but heavily pigmented. All fish typically black, particularly on outer half.

أحياء     المصطلحات (على سبيل المثال epibenthic)

Formerly found in deep waters (90-160 m) of Lakes Michigan and Huron, and in 2-100 m in Lake Nipigon. Belongs to C. artedi complex.

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

المرجع الرئيسي Upload your references | مراجع | المنظم | المتعاونين

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)

IUCN Red List Status (Ref. 130435)

  منقرض (EX) ; Date assessed: 01 August 1996

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Harmless




استخدامات بشرية

FAO(Publication : search) | FishSource |

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.
References
مراجع

أدوات

تقارير خاصة

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مصادر علي الأنترنت

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00262 - 0.01101), b=3.22 (3.06 - 3.38), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
مستوى غذائي (Ref. 69278):  3.3   ±0.45 se; based on food items.
المرونه (Ref. 120179):  منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (tmax=14).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (54 of 100).