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Pseudoscaphirhynchus hermanni (Kessler, 1877)

Dwarf sturgeon
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Pictures | تصوير گوگل
Image of Pseudoscaphirhynchus hermanni (Dwarf sturgeon)
Pseudoscaphirhynchus hermanni
Female picture by Salnikov, V.B.

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

> Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Pseudoscaphirhynchus: Greek, pseudes = false + Greek, skaphe = boat + Greek, rhyngchos = snout (Ref. 45335).
Eponymy: Kessler does not provide any name other than ‘Hermann’. [...] (Ref. 128868), visit book page.

Issue
Species of the genus Pseudoscaphirhynchus belong to the subfamily Acipenserinae, and not Scaphirhynchinae as it was previously considered (V. Birstein, pers. comm. 03/05 ).

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

; آب شيرين; لب شور نزديك كف زي; رود رو (Ref. 51243). Temperate

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

Former USSR and Asia: Endemic to the basin of Amu Dariya and Sir Dariya rivers. Registered in the 1984 USSR Red Book; 1985 Turkmen SSR Red Data Book; 1996 IUCN Red List (Ref. 35930).

Size / Weight / سن

Maturity: Lm ?  range ? - ? cm
Max length : 27.5 cm TL جنس نر / بدون خواص جنسي; (Ref. 35930); بيشينه وزن گزارش شده: 50.50 g (Ref. 35930); بيشينه سن گزارش شده: 6 سال ها (Ref. 35930)

زيست شناسي     واژه نامه (بعنوان مثال epibenthic)

A rare and endangered species; smallest sturgeon; sensitive to chemicals in the water Ref. 35930).

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

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

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)

وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)

  درمعرض خطر بحرانی (CR) (A2c); Date assessed: 14 September 2019

CITES


خطر برای انسان ها

  Harmless





استفاده انسانی

ماهي گيري – شيلات: از بی علاقه گی
FAO - ماهي گيري – شيلات: نمايه گونه; 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 - ماهي گيري – شيلات: نمايه گونه; 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 | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00138 - 0.00693), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.5 se; based on size and trophs of closest relatives
جهندگی (Ref. 120179):  متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (tmax=6).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (18 of 100).