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  3. Silurus glanis

Silurus glanis

Basic information
Scientific name Silurus glanis (No picture)
Common names wels catfish
Higher taxon Siluridae, Siluriformes, Actinopterygii
Natural range E & C Europe, W Asia
Habitat Large rivers, lakes and ponds. Sometimes brackish zone.
Invasion information
Range in Japan Not established in Japan. There is a record of this species found in a pond of Japan, in 2005. Range in Japan
Route Deliberate (distributed as pet animal)
Impact Potentially: predation on native species. hybridization with native congeners.
Native organism(s) affected: Native fished and crustaceans. Native Silurus.
Regulation in Japan Invasive alien species (Invasive Species Act)
Keeping this species is prohibited in Shiga Pref. Keeping and release of genus Silurus is prohibited in UK.
Introduced range in other countries Algeria, Tunisia, Europe (Bosnia-Herzegovina, Croatia, France, Italy, Netherlands, Portugal, Spain, UK), Syria, Continental China. Extirpated in Denmark and Finland.
Reference Notes
  • DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki, Tokyo. (in Jpn)
  • Froese & Pauly (eds) (2009) FishBase.
  • Global Invasive Species Database
  • JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha. (in Jpn)
  • (Proposal) Information and evaluations on alien species considered to require selection of invasive alien species.(Accessed on 2018-12-07)
  • etc.