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Pictures | تصوير گوگل
Silurus asotus
Picture by Kim, I.-S.
Pictures | تصوير گوگل
Picture by Kim, I.-S.
China country information
Common names:
Chinese catfish, 廉仔, 廉仔
Occurrence: native
Salinity: freshwater
Abundance: common (usually seen) | Ref: Nichols, J.T., 1943
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Recorded from the Yili river (Ref. 41093) and from almost all of drainages in China (Ref. 45657) and Tungting (=Dong Ting) Lake where it is known as "nian-y" (Ref. 35840). Introduced from its native range to other regions in the country (intensive culture and extensive stocking in all kinds of inland waters) (Ref. 55380).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ch.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Hwang, H.C., P.C. Yueh and S.F. Yu, 1982
National Database:
Occurrence: native
Salinity: freshwater
Abundance: common (usually seen) | Ref: Nichols, J.T., 1943
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Recorded from the Yili river (Ref. 41093) and from almost all of drainages in China (Ref. 45657) and Tungting (=Dong Ting) Lake where it is known as "nian-y" (Ref. 35840). Introduced from its native range to other regions in the country (intensive culture and extensive stocking in all kinds of inland waters) (Ref. 55380).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ch.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Hwang, H.C., P.C. Yueh and S.F. Yu, 1982
National Database:
Common names from other countries
رده بندی / Names اسامي عام | مترادف | Catalog of Fishes(جنس, گونه ها) | ITIS | CoL | WoRMS | Cloffa
> Siluriformes (Catfishes) > Siluridae (Sheatfishes)
Etymology: Silurus: Greek, silouros = a cat fish + Greek, odous = teeth (Ref. 45335).
More on author: Linnaeus.
Etymology: Silurus: Greek, silouros = a cat fish + Greek, odous = teeth (Ref. 45335).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range بوم شناسي
; آب شيرين نزديك كف زي. Temperate; 5°C - 25°C (Ref. 13614); 53°N - 23°N, 95°E - 143°E
پراكنش كشورها | مناطق سازمان خوار و بار جهاني (FAO) | Ecosystems | ظهور | Point map | معرفي | Faunafri
Asia: Honshu, Shikoku and Kyushu in Japan, the Korean Peninsula, Taiwan, China, and Russia.
Length at first maturity / Size / Weight / سن
Maturity: Lm 36.0, range 35 - 37 cm
Max length : 130 cm TL جنس نر / بدون خواص جنسي; (Ref. 56557); common length : 37.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 35840); بيشينه وزن گزارش شده: 30.0 kg (Ref. 56557)
Max length : 130 cm TL جنس نر / بدون خواص جنسي; (Ref. 56557); common length : 37.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 35840); بيشينه وزن گزارش شده: 30.0 kg (Ref. 56557)
توصيف مختصر كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
شعاع نرم باله پشتي (کل) : 4; شعاع نرم باله مخرجي: 67 - 84. The side of the dorsal is dark grey; white stomach; with irregular white dots on the side. One pair of maxillary barbel, longer than the head; one pair of mandibular barbels, about 1/5-1/3 the length of the maxillary barbel (Ref. 40516).
Commercially cultured in Japan. Adults feed on all types of fish (Ref. 41072). Recorded as having been or being farmed in rice fields (Ref. 119549).
Life cycle and mating behavior بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Pairs manifest spawning embrace widely observed in other catfish species (Ref. 37360).
Details of reproductive behaviour from Katano, et al (1988): " A male first energeticaly pursued a female with its head near to the female's belly (chasing) and then began to cling to the female's body from the side, bending its tail or head (clinging). Finally the male enfolded the female's body, with its anus near to the female's (enfolding). In some cases, 2-4 males pursued a single female and two males enfolded a female at the same time. Although no aggressive behaviour was evident between males, it was always the largest male that could almost frequently approach and enfold the female. The mating pair moved a long distance in a ditch, paddy field and/or creek, performing reproductive activities."
The scattering of eggs may reduce the incidence of death of the young.
مآخذ اصلی
Upload your references | مراجع | هماهنگ كننده | همكاران
Kobayakawa, M., 1989. Systematic revision of the catfish genus Silurus, with description of a new species from Thailand and Burma. Jap. J. Ichthyol. 36(2):155-186. (Ref. 9417)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
حداقل نگرانی (LC) ; Date assessed: 17 February 2020
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري; آبزي پروري: تجاري; ماهي ها ي سرگرم كننده: بله
FAO(Aquaculture systems: production; ; publication : search) | FishSource |
اطلاعات بيشتر
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
بازسازی
فراواني
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
بازسازی
فراواني
Life cycle
تولید مثل
بلوغ
Fecundity
تخم ریزی
Spawning aggregations
تخم ها
نمو تخم
توزاد ( لارو)
پويايي لاروي
تولید مثل
بلوغ
Fecundity
تخم ریزی
Spawning aggregations
تخم ها
نمو تخم
توزاد ( لارو)
پويايي لاروي
Anatomy
منطقه آبششي
Brain
Otolith
منطقه آبششي
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Human related
Aquaculture systems
نمايه هاي آبزي پروري
نژادها
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
نمايه هاي آبزي پروري
نژادها
Ciguatera cases
Stamps, coins, misc.
ابزارها
Bio-Quiz | E-book | راهنماي صحرايي | كليدهاي شناسايي | امكان نرم افزاري بسامد طولي | ابزار تاريخ زيستي | نقشه نقطه ای | Classification Tree
| Catch-MSY |
گزارش های ويژه
راجع به نگهداری آکواريم ملاحظه کنيد | برگه اطلاعات و مشخصات گونه ها را ملاحظه کنيد | برگه اطلاعات و مشخصات آبزی پروری را ببينيد
بارگيری XML
صفحه خلاصه | Point data | اسامي عام | تصاوير
منابع اينترنتي
Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | فيش واچر را ببينيد | CISTI | Catalog of Fishes(جنس, گونه ها) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(ژنوم, نوکلئوتيد) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | پايگاه هاي داده ها | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(برو, جستجو) | World Records Freshwater Fishing | Zoobank | Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00500 - 0.00693), b=3.01 (2.96 - 3.06), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278): 4.4 ±0.3 se; based on diet studies.
جهندگی (Ref. 120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (tm=4-5; K=0.11).
Fishing Vulnerability (Ref. 59153): High to very high vulnerability (65 of 100).