Wels Catfish and Similar Species
Silurus glanis
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Open the appSeveral fish can be confused with Wels Catfish. Here are the key differences.
Species often confused with {name}
Aristotle's Catfish
Silurus aristotelis
Key differences: Aristotle's Catfish is endemic to Greece and is significantly smaller (max ~50 cm). It has only two barbels on the lower jaw, compared to the Wels Catfish's four, and its dorsal fin is slightly larger relative to its body size.
Amur Catfish
Silurus asotus
Key differences: The Amur Catfish, found in East Asia, is generally smaller than the Wels Catfish. It typically has a more uniform dark coloration and its anal fin is not as proportionally long, often clearly separated from the caudal fin.
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