Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
Africa: known from Senegal, Casamance, Niger, Volta, Chad basin and certain coastal rivers in Guinéa-Bissau, Togo and Benin (Ref. 2938, 7095, 81281). Also in the Nile and Lake Mobutu Sese Seko (Lake Albert) (Ref. 2938, 7095, 28714).
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 84.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 7095); بيشينه وزن گزارش شده: 2.5 kg (Ref. 3799)
شعاع نرم باله پشتي (کل): 20-23; شعاع نرم باله مخرجي: 23 - 26. Diagnosis: 59-77 lateral line scales (Ref. 28714, 81281). Body depth 1.6-1.9 times and head length 3.3-4.3 times in SL; caudal peduncle length 0.6-0.8 times its depth; short snout, 0.9-1.5 times eye diameter; eye diameter 3.9-6 times in head length; adipose-fin base 1.4-2 times longer than distance separating it from rayed dorsal fin; pointed pectoral fins, shorter than head (0.6-0.85 times head length) and as long as pelvic fins; cycloid scales; scale formula 17.5-18.5/59-71/18.5-19.5; 13.5-15.5 scales between lateral line and pelvic-fin base; 20-23 dorsal fin rays; 23-26 anal fin rays (Ref. 2938, 81281).
Occurs in open water and vegetation beds of lakes and flowing water; ingests mud containing benthic and sedimented algae; spawns in the perennial wetland at high water (in the Sudd in South Sudan) (Ref. 28714).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Gosse, J.-P., 1990. Citharinidae. p. 261-268. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren and O.R.S.T.O.M., Paris, 384 p. (Ref. 2938)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري
اطلاعات بيشتر
اسامي عاممترادفسوخت و سازشکارچیانسم شناسي بوم زيستيتولید مثلبلوغتخم ریزیSpawning aggregationFecundityتخم هانمو تخم
مراجعآبزي پرورينمايه آبزي پرورينژادهاژنتيكElectrophoresesوارثبيماري هافرآوریNutrientsMass conversion
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5195 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00665 - 0.03001), b=2.98 (2.78 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 2.2 ±0.13 se; based on food items.
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (61 of 100).
Nutrients (Ref.
124155): Calcium = 67.1 [28.4, 160.5] mg/100g; Iron = 1.39 [0.69, 3.27] mg/100g; Protein = 18.1 [16.0, 20.3] %; Omega3 = 0.299 [0.112, 0.820] g/100g; Selenium = 104 [42, 243] μg/100g; VitaminA = 12 [3, 39] μg/100g; Zinc = 1.39 [0.93, 2.15] mg/100g (wet weight);
