Petrocephalus magnoculis : fisheries

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Petrocephalus magnoculis Kramer, Bills, Skelton & Wink, 2012

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drawing shows typical species in Mormyridae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Osteoglossiformes (Bony tongues) 骨舌魚目 (Bony tongues) > Mormyridae (Elephantfishes) 象鼻魚科 (Elephantfishes)
Etymology: Petrocephalus: Latin, petra = stone + Greek, kephale = head (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 居於水底的.   

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

Africa: Cunene River below Ruacana Falls in Namibia (Ref. 91771) and Angola (Ref. 120641).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 10.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 91771)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 0; 背的軟條 (總數): 20-24; 臀棘 0; 臀鰭軟條: 26 - 31. Diagnosis: Body depth 28.3-34.0% of standard length; head length 25.0-27.7% of standard length; preanal length 59.0-62.8% of standard length; anal fin length 21.5-25.6% of standard length; diameter defined by orbital rims 25.9-32.9% of head length; length of snout to posterior orbital rim of eye 47.0-51.4% of head length; length of snout to centre of eye 35.2-39.1% of head length; number of dorsal fin rays 20-24; number of scales in lateral line row 38-42 (Ref. 91771).

生物學特性     字彙 (例如 epibenthic)

Found in rather strong currents; dicotyledonous trees, extensive reed beds and semiaquatic bushes dominate the river banks, which are rocky or sandy depending on the inside or outside bank (Ref. 91771).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


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

Kramer, B., R. Bills, P. Skelton and M. Wink, 2012. A critical revision of the churchill snoutfish, genus Petrocephalus Marcusen, 1854 (Actinopterygii: Teleostei: Mormyridae), from southern and eastern Africa, with the recognition of Petrocephalus tanensis, and the description of five new species. Journal of Natural History 46(35-36):2179-2258. (Ref. 91771)

IUCN 瀕危狀態 (Ref. 123251)

  未評估 

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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人類使用

漁業:
FAO - Publication: search | FishSource |

更多資訊

國家
FAO區域
生態系
發現紀錄
簡介
Stocks
生態學
食性
食物相
食物消耗量
定量
俗名
同種異名
新陳代謝
捕食者
生態毒物學
繁殖
成熟度
產卵場
產卵群集
孕卵數

卵發育
年龄/大小
成長
長度-重量
長度-長度
長度-頻率
形態測量圖
型態特徵
仔魚
稚魚動力學
入添量
豐度
BRUVS
參考文獻
養殖
養殖資訊
品種
遺傳學
基因序列
遺傳率
疾病
加工
Nutrients
Mass conversion
合作者
照片
Stamps, Coins Misc.
聲音
神經毒
速度
泳型
鰓區
Otoliths
腦重體重比
眼睛色素

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網路資源

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

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00672 - 0.03569), b=2.83 (2.65 - 3.01), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (13 of 100) .