Linnaeus, 1758: SILURIDAE FAMILY; also known as wels, weller, siluro, som, European catfish, sheatfish, malle, Danube catfish
This species occurs naturally or has been introduced to most of central and eastern Europe, also found throughout Asia Minor and central Asia, England, Tunisia and Algeria. The wels mainly inhabits deep-water lakes and rivers, though it enters brackish water in the Baltic and Black Seas and spawns in the salt water of the Aral Sea.
Typical of the family, its body is scaleless. The anal fin is very long and three pairs of barbels, one on the upper and two on the lower...