You can sponsor this page

Petrocephalus okavangensis Kramer, Bills, Skelton & Wink, 2012

را بارگذاری کني تصاوير و فيلم ها
تصوير گوگل
Image of Petrocephalus okavangensis
No image available for this species;
drawing shows typical species in Mormyridae.

رده بندی / Names اسامي عام | مترادف | Catalog of Fishes(جنس, گونه ها) | ITIS | CoL | WoRMS | Cloffa

> Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Petrocephalus: Latin, petra = stone + Greek, kephale = head (Ref. 45335)okavangensis: The species name refers to the Okavango River (Ref. 91771).

Environment: milieu / climate zone / depth range / distribution range بوم شناسي

; آب شيرين نزديك كف زي. Tropical

پراكنش كشورها | مناطق سازمان خوار و بار جهاني (FAO) | Ecosystems | ظهور | Point map | معرفي | Faunafri

Africa: Okavango River drainage system, from the headwaters in Angola in the north, to the Makgadikgadi Salt Pan region in Botswana in the south (Ref. 79613, 91771). Also reported from the Zambezi in Angola (Ref. 120641).

Size / Weight / سن

Maturity: Lm ?  range ? - ? cm
Max length : 9.5 cm SL جنس نر / بدون خواص جنسي; (Ref. 91771)

توصيف مختصر كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري

خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 20 - 24; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 27 - 32. Diagnosis: Body depth 26.1-34.8% of standard length; head length 23.2-27.4% of standard length; preanal length 53.8-61.9% of standard length; dorsal fin length 14.5-19.5% of standard length; length of anal fin 24.7-28.6% of standard length; depth of caudal peduncle 26.4-34.9% of its length; number of anal fin rays 27-32; number of scales in lateral line row 37-38; number of scales around caudal peduncle 12 (Ref. 91771).

زيست شناسي     واژه نامه (بعنوان مثال epibenthic)

Hardy and eurytopic species, common in both swamp and river (Ref. 79613). Collected under papyrus root stocks in the Guma Lagoon (Ref. 91771).

Life cycle and mating behavior بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)

مآخذ اصلی Upload your references | مراجع | هماهنگ كننده | همكاران

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)

وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر برای انسان ها

  Harmless





استفاده انسانی

FAO - Publication: search | FishSource |

اطلاعات بيشتر

Trophic ecology
اقلام غذايي
تركيب غذايي
مصرف غذايي
Food rations
شکارچیان
Ecology
بوم شناسي
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
بازسازی
فراواني
Life cycle
تولید مثل
بلوغ
Maturity/Gills rel.
Fecundity
تخم ریزی
Spawning aggregations
تخم ها
نمو تخم
توزاد ( لارو)
پويايي لاروي
Anatomy
منطقه آبششي
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
ژنتيك
Heterozygosity
وارث
Human related
Aquaculture systems
نمايه هاي آبزي پروري
نژادها
Ciguatera cases
Stamps, coins, misc.
Outreach
همكاران
Taxonomy
اسامي عام
مترادف
ريخت شناسي
ريخت ستجي بوسيله انداره گيري
عکس ها
References
مراجع

ابزارها

گزارش های ويژه

بارگيری XML

منابع اينترنتي

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | فيش واچر را ببينيد | CISTI | Catalog of Fishes: جنس, گونه ها | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: ژنوم, نوکلئوتيد | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: برو, جستجو | World Records Freshwater Fishing | Zoobank | Zoological Record

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=0.01549 (0.00684 - 0.03506), b=2.86 (2.68 - 3.04), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).