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Papyrocranus afer (Günther, 1868)

Reticulate knifefish
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Papyrocranus afer
Picture by Kaladjian, M.


Benin country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from the Ouémé River.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/bn.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Paugy, D., K. Traoré and P.S. Diouf, 1994
National Database:

Common names from other countries

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | 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)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

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)

生物學特性     字彙 (例如 epibenthic)

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。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Roberts, T.R., 1992. Systematic revision of the old world freshwater fish family Notopteridae. Ichthyol. Explor. Freshwat. 2(4):361-383. (Ref. 7431)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 25 October 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

漁業: 自給性漁業; 水族館: 商業性
FAO(Aquaculture systems: 產生; ; publication : search) | FishSource |

更多資訊

Trophic ecology
食物相
Diet compositions
Food consumptions
Food rations
捕食者
Ecology
生態學
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
長度-頻率
Mass conversions
Recruitments
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Life cycle
繁殖
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
仔魚
稚魚動力學
Distribution
國家
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簡介
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腦重體重比
Otoliths
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魚的聲音
Diseases / Parasites
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Stamps, coins, misc.
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參考文獻

工具

特別的報告

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網路資源

Aquatic Commons | BHL | Cloffa | Websites from users | 檢查 FishWatcher | CISTI | Catalog of Fishes(, ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因組, 核甘) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | 樹狀分類階層 | Wikipedia(, 搜尋) | World Records Freshwater Fishing | 動物學的記錄

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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.
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).
價格種類 (Ref. 80766):   Unknown.