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Petrocephalus longicapitis Kramer, Bills, Skelton & Wink, 2012

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drawing shows typical species in Mormyridae.

Namibia country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Type locality of the holotype of Petrocephalus longicapitis: 'Upper Zambezi River at Katima Mulilo, East Caprivi' (Ref. 91771). Known from Upper Zambezi River (Ref. 37065, 91771), Chobe River (Ref. 37065), Lake Liambezi (Ref. 37065) and Kwando River (Ref. 37065, 91771).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/wa.html
National Fisheries Authority: http://www.benefit.org.na/
Occurrences: Occurrences Point map
Main Ref: Kramer, B., R. Bills, P. Skelton and M. Wink, 2012
National Database:

Common names from other countries

Zambezi kivipeakala, ... more

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Petrocephalus: Latin, petra = stone + Greek, kephale = head (Ref. 45335);  longicapitis: The species name longicapitis refers to this species' long head (Ref. 91771).

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 居于水底的.   

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: upper and middle Zambezi River (Ref. 91771). Also in the Okavango in Angola (Ref. 120641).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 91771)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 0; 背的软条 (总数) : 21 - 25; 臀棘: 0; 臀鳍软条: 26 - 30. Diagnosis: Head length 25.8-29.6% of standard length; predorsal length 61.9-65.7% of standard length; preanal length 57.5-61.7% of standard length; depth of caudal peduncle 33.4-39.8% of its length; 12 scales around caudal peduncle; 37-39 scales in lateral line row (Ref. 91771).

生物学特性     字汇 (例如 epibenthic)

Appears to prefer quiet reaches of oxbow lakes or arms with dense vegetation on borders; where it occurs in the main river channel, sand and gravel substrate mainly with occasional rocky rapids; during the day associated with marginal cover in holes in banks, root stocks and aquatic weed beds (Ref. 91771).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼


主要参考文献 Upload your references | 参考文献 | 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)

世界自然保护联盟红皮书 (Ref. 130435)

  不评价 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 




人类利用

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01585 (0.00697 - 0.03603), b=2.85 (2.67 - 3.03), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).