分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Osteoglossiformes (Bony tongues)
骨舌魚目 (Bony tongues) >
Notopteridae (Featherbacks or knifefishes)
弓背魚科 (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
生態學
; 淡水 居於水底的; pH range: 6.5 - ? ; dH range: 10 - ?. 熱帶; 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).
非洲: 尼日河流域 (尼日河上游，貝努埃河與尼日三角州), 來自塞內加爾與甘比亞向東至的大多數的海岸河流域包括迦納的 Tano 與 Prah 流域 , 與十字河與沙那加河流域尼日三角州以東。 不是在查德的佛塔河，歐固耶河， Kwilu-Niari ， Chiloango 流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 80.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 7431); 最大體重: 1.3 kg (Ref. 3516)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 2; 臀棘: 0; 臀鰭軟條: 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).
有 35-45 腹的棘; 頭部 5.0-5.1 倍於標準體長; 眼直徑 4.6-5.3 倍於頭長; 鼻毛長度兩倍於眼睛直徑。 尾部的脊椎骨 63-69.(參考文獻 7431)
Obligate air-breathing (Ref. 126274); Prefers calm waters with dense vegetation.
偏愛滿佈植物的平靜水域。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
非洲: 尼日河流域 (尼日河上游，貝努埃河與尼日三角州), 來自塞內加爾與甘比亞向東至的大多數的海岸河流域包括迦納的 Tano 與 Prah 流域 , 與十字河與沙那加河流域尼日三角州以東。 不是在查德的佛塔河，歐固耶河， Kwilu-Niari ， Chiloango 流域。
Roberts, T.R., 1992. Systematic revision of the old world freshwater fish family Notopteridae. Ichthyol. Explor. Freshwat. 2(4):361-383. (Ref. 7431)
人類使用
漁業: 自給性漁業; 水族館: 商業性
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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=0.00832 (0.00318 - 0.02175), b=2.99 (2.77 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (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.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (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);
