Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع; سمكة نهرية (Ref. 51243). Tropical
Africa: Gambia, Senegal, Niger, Volta and Chad basins. Sahelo-Soudanian basins and the coastal basins of the rivers Cavally, Bandama, Sassandra, Comoé, Mono, Ouémé, Ogun and Culufi; Congo basin. Two subspecies exist: Mormyrus rume rume: West Africa and Chad System; Mormyrus rume proboscirostris: middle and upper Congo River.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm ?, range 33 - ? cm
Max length : 100.0 cm SL ذكر/ مختلط الجنس; (Ref. 31256); أعلا وزن تم نشرة: 5.3 kg (Ref. 2915); العمر: 6 سنين (Ref. 2744)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 72 - 95; شوكة شرجية: 0; أشعه شرجية لينه: 16 - 21. Anal fin base 4.6-6.5x that of dorsal fin; 20-26 scales on caudal peduncle; body height 3.5-6.1x SL; height of caudal peduncle 1.3-3.0x of its length.
Affinities: look-alike of M. subundulatus and M. tapirus. Feeds on insects and larvae (Ref.13851). Generates electric organ discharge (EOD) of long duration that seems to correlate with territorial behavior of the species (Ref. 10460; 10601).
Bigorne, R., 1990. Mormyridae. p. 122-184. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux saumâtres d'Afrique de l'Ouest. tome 1. Faune Trop. 28. Musée Royal de l'Afrique Centrale, Tervuren, and ORSTOM, Paris. (Ref. 2915)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
مصائد: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00792 - 0.01322), b=2.83 (2.78 - 2.88), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.5 ±0.86 se; based on food items.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Assuming tm=5-10; Fec < 1,000).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (73 of 100).
Nutrients (Ref.
124155): Calcium = 187 [40, 394] mg/100g; Iron = 1.12 [0.44, 2.77] mg/100g; Protein = 18.4 [15.7, 20.6] %; Omega3 = 0.452 [0.181, 1.191] g/100g; Selenium = 96 [36, 210] μg/100g; VitaminA = 23 [8, 65] μg/100g; Zinc = 2.69 [0.60, 7.23] mg/100g (wet weight); based on
nutrient studies.