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Silurus asotus Linnaeus, 1758
AMUR CATFISH
Life   Vertebrata   Fish   Siluridae   Silurus


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Silurus&speciesname=asotus ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Silurus&speciesname=asotus
http://192.134.151.83/Summary/speciesSummary.php?genusname=Silurus&speciesname=asotus ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Silurus&speciesname=asotus
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Silurus&speciesname=asotus ---> https://fishbase.mnhn.fr/summary/Silurus-asotus.html
Silurus asotus, Amur catfish : fisheries, aquaculture
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Silurus asotus Linnaeus , 1758

Amur catfish Upload your photos  and  videos
Pictures | Google image Image of Silurus asotus (Amur catfish) Silurus asotus
Picture by Kim, I.-S.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Siluriformes (Catfishes) > Siluridae (Sheatfishes)
Etymology: Silurus: Greek, silouros = a cat fish + Greek, odous = teeth (Ref. 45335 ) .
More on author: Linnaeus .

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal. Temperate; 5°C - 25°C (Ref. 13614 ); 53°N - 23°N, 95°E - 143°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Honshu, Shikoku and Kyushu in Japan, the Korean Peninsula, Taiwan, China, and Russia.

Length at first maturity / Size / Weight / Age

Maturity: L m 36.0 , range 35 - 37 cm
Max length : 130 cm TL male/unsexed; (Ref. 56557 ); common length : 37.0 cm SL male/unsexed; (Ref. 35840 ); max. published weight: 30.0 kg (Ref. 56557 )

Short description Morphology | Morphometrics

Dorsal soft rays (total): 4; Anal soft rays : 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 ).

Biology     Glossary (e.g. epibenthic)

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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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.

Main reference Upload your references | References | Coordinator | Collaborators

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 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 17 February 2020

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial; aquaculture: commercial FAO - Aquaculture: production ; ; Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
BRUVS
References
Aquaculture
Aquaculture profile
Strains
Genetics
Electrophoreses
Heritability
Diseases
Processing
Nutrients
Mass conversion
Collaborators
Pictures
Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Bio-Quiz | E-book | Field guide | Identification keys | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Aquaculture: production ; ; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00589 (0.00500 - 0.00694), 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. Generation time: 10.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. Resilience (Ref. 120179 ):  Low, minimum population doubling time 4.5 - 14 years (tm=4-5; K=0.11). Fishing Vulnerability (Ref. 59153 ):  High to very high vulnerability (65 of 100). Price category (Ref. 80766 ):   Unknown .

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Updated: 2024-07-16 20:05:53 gmt
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