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Mastacembelus niger Sauvage, 1879

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Image of Mastacembelus niger
Mastacembelus niger
Picture by Hopkins, C.D.


Congo (Kinshasa) country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the Chiloango (Ref. 81678) and the Congo [=Zaire] River basin (Ref. 6060). Present in the lower Congo, Pool Malebo (Ref. 41585), middle Congo River (Ref. 46880), Ruki (Ref. 41580), Ubangi (Ref. 1880, 45441), Itimbiri, Aruwimi (Ref. 106290) and Wagenia Falls (Ref. 106245).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cg.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Vreven, E.J., 2008
National Database:

Common names from other countries

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

> Synbranchiformes (Spiny eels) > Mastacembelidae (Spiny eels)
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335).
  More on author: Sauvage.

Issue
The species Mastacembelus goro Boulenger, 1902 is considered valid in Eschmeyer (CofF ver. May 2011: Ref. 86870). It is treated here a synonym of Mastacembelus niger Sauvage, 1879 following the recent work of Vreven (2008: 81678).

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

; المياه العذبة القاع.   Tropical

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

Africa: Mbonge River basin in Cameroon to the Shiloango River basin in Democratic Republic of the Congo (Ref. 81678). Also present in the Congo River basin (Ref. 81678) from the Kinsuka rapids and Pool Malebo (Ref. 41585) up to the Wagenia Falls (Ref. 106245). Reports of Mastacembelus flavomarginatus from the rivers Konkouré (Ref. 3009) and Sassandra (Ref. 3057) are misidentifications of respectively Mastacembelus kakrimensis (Ref. 55095) and Mastacembelus praensis (Ref. 57415).

الحجم / وزن / العمر

Maturity: Lm ?  range ? - ? cm
Max length : 37.5 cm SL ذكر/ مختلط الجنس; (Ref. 81678)

وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي

فقرات: 89 - 98. Diagnosis: distance from tip of snout to last externally visible dorsal spine 49.5-67.6% SL (mean 60.5%), decreasing with size; postanal length 38.5-53.4% SL (mean 44.7%), increasing with size; distance from tip of snout to last externally visible anal spine 49.2-67.0% SL (mean 59.1%), decreasing with size; distance from posterior edge of pectoral fin to anterior origin of first dorsal spine, 19.4-86.4% HL (mean 52.4%); gill opening small, its distance to dorsal pectoral fin base relatively long, 8.3-14.9% HL (mean 11.5%); 24+1 up to 33+1 (median 30+1) dorsal spines; origin of soft dorsal fin slightly anterior or posterior to origin of soft anal fin (Ref. 81678).

أحياء     المصطلحات (على سبيل المثال epibenthic)

Occurs in shallow waters (Ref. 6060). Maximum reported total length 387 mm (Ref. 81678).

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

المرجع الرئيسي Upload your references | مراجع | المنظم | المتعاونين

Travers, R.A., G. Eynikel and D.F.E. Thys van den Audenaerde, 1986. Mastacembelidae. p. 415-427. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 6060)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 16 February 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Harmless




استخدامات بشرية

FAO(Publication : search) | FishSource |

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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=0.00257 (0.00122 - 0.00544), b=2.97 (2.79 - 3.15), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
مستوى غذائي (Ref. 69278):  3.9   ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref. 120179):  وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (36 of 100).