| General information |
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Silurus glanis Linnaeus, 1758 |
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| Common name | Wels catfish |
| Synonyms |
- |
| IUCN Red List status (2014) |
Least Concern (LC) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Siluridae. |
| Geographical distribution |
China; Iran; Syria; Afghanistan; Kazakhstan; Turkmenistan; Uzbekistan; Turkey; Russia; Algeria; UK; Germany; France; Spain; Portugal; Italy; Greece; Bulgaria; Ukraine; Romania; Georgia; Azerbaijan; Sweden; Denmark; Finland; Netherlands; Albania; Austria; Belarus; Bosnia and Herzegovina; Croatia; Czech Republic; Estonia; Hungary; Latvia; Lithuania; Moldova; Poland; Serbia; Slovakia; Slovenia; Switzerland; Tunisia |
| Occurrence |
introduced: China; native: Iran; introduced: Syria; native: Afghanistan; native: Kazakhstan; native: Turkmenistan; native: Uzbekistan; native: Turkey; native: Russia; introduced: Algeria; introduced: UK; native: Germany; introduced: France; introduced: Spain; introduced: Portugal; introduced: Italy; native: Greece; native: Bulgaria; native: Ukraine; native: Romania; native: Georgia; native: Azerbaijan; native: Sweden; extirpated: Denmark; extirpated: Finland; introduced: Netherlands; native: Albania; native: Austria; native: Belarus; introduced: Bosnia and Herzegovina; introduced: Croatia; native: Czech Republic; native: Estonia; native: Hungary; native: Latvia; native: Lithuania; native: Moldova; native: Poland; native: Serbia; native: Slovakia; native: Slovenia; native: Switzerland; introduced: Tunisia |
| Remarks |
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| Karyological information |
| Geographical area of study |
Institute of Fishery and Hydrobiology, Vodfiany, Czechoslovakia |
| Source of chromosomes |
Not reported |
| Number of specimens with sex |
07 (05 Juveniles and 02 subadult with unknown sex) |
| Diploid chromosome number |
60 |
| Karyotype formula |
22m+38sm/st |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
NORs (AgNO3 and CMA3 staining) were found to be localized on the ends of shorter arms of submetacentric chromosome pair 14. No DA/DAPI-bright positive fluorescent patterns on chromosomes were detected. C-banding led to the detection of specific banding patterns on several chromosome pairs: |
| Reference |
Rab P, Mayr B, Roth P(1991). Chromosome banding study of European catfish, Silurus glanis (Pisces, Siluridae). Genetica, 83: 153-157. |
| Cross Link |