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Osteoglossiformes (Bony tongues) >
Notopteridae (Featherbacks or knifefishes) > Xenomystinae
Etymology: Papyrocranus: Greek, papyros = paper rush + Greek, kranion = skull (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي; pH range: 6.5 - ? ; dH range: 10 - ?. Tropical; 24°C - 30°C (Ref. 2059)
Africa: Niger basin (upper Niger, Benue and Niger Delta), most coastal river basins from Senegal and Gambia eastward to include the Tano and Prah basins in Ghana, and the Cross and Sanaga basins east of the Niger delta (Ref. 7431). Absent from the Volta basin, Chad, Ogooué, Kwilu-Niari or Chiloango basins (Ref. 7431).
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 80.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 7431); بيشينه وزن گزارش شده: 1.3 kg (Ref. 3516)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 2; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 113 - 141. With 35-45 ventral spines; head 5.0-5.1 times SL; eye diameter 4.6-5.3 times head length; length of nasal tentacle twice the eye diameter. Caudal vertebrae 63-69 (Ref. 7431).
Obligate air-breathing (Ref. 126274); Prefers calm waters with dense vegetation.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Roberts, T.R., 1992. Systematic revision of the old world freshwater fish family Notopteridae. Ichthyol. Explor. Freshwat. 2(4):361-383. (Ref. 7431)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: معاش ماهیگیری; آكواريوم: تجاري
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7510 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00304 - 0.02174), b=2.99 (2.77 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.45 se; based on food items.
Generation time: 3.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.29).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 99.6 [54.9, 243.6] mg/100g; Iron = 1.46 [0.71, 2.93] mg/100g; Protein = 17.7 [15.9, 19.5] %; Omega3 = 0.472 [0.192, 1.213] g/100g; Selenium = 90 [31, 211] μg/100g; VitaminA = 22.8 [7.2, 69.1] μg/100g; Zinc = 1.28 [0.84, 2.02] mg/100g (wet weight);
