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Silurus asotus Linnaeus, 1758 Amur catfish |
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photo by
Kim, I.-S. |
| Family: | Siluridae (Sheatfishes) | |||
| Max. size: | 130 cm TL (male/unsexed); max.weight: 30 kg | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: Honshu, Shikoku and Kyushu in Japan, the Korean Peninsula, Taiwan, China, and Russia. | |||
| Diagnosis: | Dorsal soft rays (total): 4-4; Anal soft rays: 67-84. The side of the dorsal is dark grey; white stomach; with irregular white dots on the side. One pair of maxillary barbel, longer than the head; one pair of mandibular barbels, about 1/5-1/3 the length of the maxillary barbel (Ref. 40516). | |||
| Biology: | Commercially cultured in Japan. Adults feed on all types of fish (Ref. 41072). Recorded as having been or being farmed in rice fields (Ref. 119549). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 17 February 2020 Ref. (130435) | |||
| Threat to humans: | harmless | |||