The Amur catfish, or Japanese common catfish, Silurus asotus, is a species of catfish (sheatfish), family Siluridae. It is a large freshwater fish found in continental East Asia and in Japan. It prefers slow-flowing rivers, lakes, and irrigation canals. Its appearance is typical of a large silurid catfish. Larval S. asotus specimens have three pairs of barbels (one maxillary, two mandibular), while adult fish have only two pairs (one maxillary, one mandibular); second pair of mandibular barbels degenerates. This species grows to 130 cm (51 in) in total length.
- NatureServe (2013). "Silurus asotus". IUCN Red List of Threatened Species. Version 2014.3. International Union for Conservation of Nature. Retrieved 15 December 2014.
- ITIS (gov)
- "Relationship between external and internal morphological changes and feeding habits in the fry state of Japanese Catfish Silurius Asotus" Archived 2010-05-27 at the Wayback Machine, 1999, Osamu Yada and Atsushi Furukawa, UJNR Aquaculture 28th Panel Proceedings
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