Animalia > Chordata > Actinopterygii > Siluriformes > Siluridae > Silurus > Silurus glanis

Silurus glanis (Danubian wels; Sheatfish; Som catfish; Wels; Wels catfish; European catfish; Danube catfish)

Synonyms: Siluris glanis; Silurus glanis aralensis; Silurus silurus
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Wikipedia Abstract

The wels catfish (/ˈwɛls/ or /ˈvɛls/; Silurus glanis), also called sheatfish, is a large catfish native to wide areas of central, southern, and eastern Europe, in the basins of the Baltic, Black, and Caspian Seas. It has been introduced to Western Europe and is now found from the United Kingdom all the way east to Kazakhstan and south to Greece and Turkey. It is a scaleless freshwater fish recognizable by its broad, flat head and wide mouth.
View Wikipedia Record: Silurus glanis


Adult Weight [2]  371.04 lbs (168.30 kg)
Female Maturity [4]  3 years 6 months
Male Maturity [2]  2 years 6 months
Diet [1]  Carnivore, Planktivore
Brood Egg Substrate [3]  Phytophils
Brood Guarder [3]  Yes
Maximum Longevity [4]  60 years
Nocturnal [1]  Yes
Water Biome [1]  Lakes and Ponds, Rivers and Streams, Brackish Water


Name Countries Ecozone Biome Species Report Climate Land
Cantabric Coast - Languedoc France, Spain Palearctic Temperate Coastal Rivers    
Central & Western Europe Austria, Belgium, Byelarus, Czech Republic, Denmark, France, Germany, Liechtenstein, Lithuania, Luxembourg, Netherlands, Poland, Russia, Slovakia, Switzerland, Ukraine, United Kingdom Palearctic Temperate Floodplain River and Wetlands    
Northern Baltic Drainages Denmark, Finland, Norway, Russia, Sweden Palearctic Polar Freshwaters    

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Akyatan Lagoon 36324 Adana, Turkey      
Alam-Pedja 85235 Estonia  
Amudarya Zapovednik State Nature Reserve Ia 152861 Lebap, Turkmenistan  
Astrakhanskiy Biosphere Reserve Zapovednik Ia 167827 Astrakhan, Russia
Augsdaugava 129298 Latvia  
Båvenreservaten 1914 Sweden  
Berezinskiy Zapovednik State Nature Reserve Ia 209113 Belarus  
Cerová vrchovina a Rimavská kotlina 76986 Slovakia  
Darvinsky Zapovednik Ia 278421 Yaroslavl, Vologda, Russia
Dolina Biebrzy 299507 Poland  
Dolina Dolnego Bugu 183624 Poland  
Dolina Dolnej Pilicy 78633 Poland  
Dolina Pilicy 87367 Poland  
Dolina Tysmienicy 18196 Poland  
Dolna Odra 72985 Poland  
Emåns vattensystem i Kalmar län 3971 Sweden  
Hortobágy National Park II 140004 Hungary  
Jezioro Goplo 33259 Poland  
Legi Odrzanskie 44477 Poland  
Matheswall/Schmielensee 265 Germany  
Neusiedler See-Osterreichischer Teil   Austria      
Oberlausitzer Heide - und Teichlandschaft Nature Reserve IV 32467 Germany  
Okskiy Biosphere Reserve 190748 Russia  
Ostoja Nadbuzanska 113759 Poland  
Ostoja Nidzianska 68254 Poland  
Ostoja w Dolinie Górnej Narwi 50179 Poland  
Palava Protected Landscape Area V   Czech Republic  
Prespa National Park II 62043 Greece  
Przelomowa Dolina Narwi 45974 Poland  
Reserve Srebarna Managed Reserve IV 2294 Bulgaria  
Rzeka San 3397 Poland  
Schorfheide-Chorin Biosphere Reserve 319164 Germany
Spreewald Biosphere Reserve 117355 Germany  
Stadthavel 639 Germany  
Trebon Basin Protected Landscape Area V 173393 Czech Republic  
Ujscie Odry i Zalew Szczecinski 130007 Poland  
Uroczyska Puszczy Drawskiej 183887 Poland  
Voronezhskiy Biosphere Reserve 95835 Russia  

Prey / Diet

Abramis brama (Bream)[5]
Alburnus alburnus (Bleak)[5]
Capoetobrama kuschakewitschi (Sharpray barb)[5]
Carassius carassius (Crucian carp)[5]
Cyprinus carpio (Common carp)[5]
Esox lucius (Jack)[5]
Luciobarbus brachycephalus (Turkestan barbel)[5]
Neogobius fluviatilis (Sand goby)[5]
Perca fluviatilis (River perch)[5]
Rutilus frisii (Black Sea roach)[5]
Rutilus rutilus (Roach)[5]
Scardinius erythrophthalmus (Red-eye)[5]
Tinca tinca (Tench)[5]
Vimba vimba (Vimba bream)[5]


Esox lucius (Jack)[5]
Fratercula arctica (Atlantic Puffin)[5]


Parasitized by 
Acanthocephalus anguillae[6]
Acanthocephalus clavula[6]
Acanthocephalus lucii[6]
Ancylodiscoides magnus <Unverified Name>[6]
Ancylodiscoides siluri <Unverified Name>[6]
Ancylodiscoides vistulensis <Unverified Name>[6]
Anguillicola crassus <Unverified Name>[6]
Ascaris linstowi <Unverified Name>[6]
Ascaris siluri <Unverified Name>[6]
Ascaris siluriglanidis <Unverified Name>[6]
Ascocotyle calceostoma <Unverified Name>[6]
Aspidogaster limacoides[6]
Asymphylodora kubanicum <Unverified Name>[6]
Azygia lucii[6]
Bothriocephalus acheilognathi[6]
Bothriocephalus opsariichthydis <Unverified Name>[6]
Bucephalus polymorphus[6]
Bunodera luciopercae[6]
Bychowskycreadium bychowsky <Unverified Name>[6]
Bychowskycreadium schiliani <Unverified Name>[6]
Camallanus lacustris[6]
Camallanus truncatus[6]
Capillaria brevispicula <Unverified Name>[6]
Clinostomum complanatum <Unverified Name>[6]
Contracaecum siluri-glanidis <Unverified Name>[6]
Contracaecum squalii <Unverified Name>[6]
Cotylurus pileatus[6]
Cucullanus elegans <Unverified Name>[6]
Desportesius brevicaudatus <Unverified Name>[6]
Dilepis unilateralis <Unverified Name>[6]
Dioctophyme renale[6]
Diphyllobothrium latum[6]
Diplostomum spathaceum[6]
Eustrongylides excisus <Unverified Name>[6]
Eustrongylides mergorum <Unverified Name>[6]
Gangesia parasiluri <Unverified Name>[6]
Gangesia siluri <Unverified Name>[6]
Gnathostoma hispidum <Unverified Name>[6]
Goezia ascaroides[6]
Gyrodactylus medius[6]
Ligula intestinalis[6]
Megamonostomella rashediansis <Unverified Name>[6]
Megamonostomella rasheediansis <Unverified Name>[6]
Megastomella rashediansis <Unverified Name>[6]
Metagonimus yokogawai[6]
Nicolla skrjabini <Unverified Name>[6]
Orientocreadium siluri <Unverified Name>[6]
Pomphorhynchus laevis[6]
Postgangesia inarmata <Unverified Name>[6]
Proteocephalus hemispherous <Unverified Name>[6]
Proteocephalus osculatus <Unverified Name>[6]
Raphidascaris acus <Unverified Name>[6]
Schulmanella petruschewskii <Unverified Name>[6]
Silurodiscoides magnus <Unverified Name>[6]
Silurodiscoides siluri <Unverified Name>[6]
Silurodiscoides vistulensis <Unverified Name>[6]
Silurotaenia siluri <Unverified Name>[6]
Sphaerostomum bramae <Unverified Name>[6]
Thaparocleidus magnus <Unverified Name>[6]
Thaparocleidus siluri <Unverified Name>[6]
Thaparocleidus vistulensis <Unverified Name>[6]
Thominx petruschewskii <Unverified Name>[6]
Triaenophorus crassus[6]
Triaenophorus nodulosus[6]
Tylodelphys clavata[6]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Budapest Zool.& Botanical Garden
London Aquarium
Museum de Besancon
Nordens Ark
Ouwehand Zoo
Universeum Science Center


Afghanistan; Africa-Inland Waters; Algeria; Amudar'ya; Aral Sea; Armenia; Asia - Inland waters; Atlantic Ocean; Atlantic, Northeast; Austria; Azerbaijan; Baltic Sea; Belarus; Bulgaria; Caspian Sea; China; Croatia; Czech Republic; Denmark; Don; Elbe; Estonia; Europe - Inland waters; Europe and Asia. In Appendix III of the Bern Convention (protected fauna). Several countries report adverse ecological impact after introduction.; Europe and Asia. North, Baltic, Black, Caspian and Aral Sea basins, as far north as southern Sweden and Finland; Aegean Sea basin in Maritza and from Struma to Sperchios drainages; Turkey. Absent from the rest of Mediterranean basin. Now widely introduced and translocated throught Europe and Lake Balkhash basin in Kazakhstan. Several countries report adverse ecological impact after introduction. In Appendix III of the Bern Convention (protected fauna).; Finland; France; Georgia; Germany, Fed. Rep.; Greece; Hungary; Iberian Coastal; Iran (Islamic Rep. of); Italy; Kazakhstan; Kuban River; Latvia; Lithuania; Loire; Moldova, Republic of; Netherlands; Palearctic; Poland; Portugal; Rhine; Romania; Russian Federation; Seine; Serbia and Montenegro; Slovakia; Spain; Sweden; Switzerland; Syrian Arab Republic; Tigris; Tunisia; Turkey; Turkmenistan; Ukraine; United Kingdom; Uzbekistan; Volga;



Attributes / relations provided by
1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at
2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
3Grenouillet, G. & Schmidt-Kloiber., A.; 2006; Fish Indicator Database. Euro-limpacs project, Workpackage 7 - Indicators of ecosystem health, Task 4,, version 5.0 (accessed on July 3, 2012).
4Frimpong, E.A., and P. L. Angermeier. 2009. FishTraits: a database of ecological and life-history traits of freshwater fishes of the United States. Fisheries 34:487-495.
5Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
6Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Protected Areas provided by Ramsar Sites Information Service
Natura 2000, UK data: © Crown copyright and database right [2010] All rights reserved. Ordnance Survey Licence number 100017955
Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
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Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access