Silurus asotus Linnaeus, 1758
Amur catfish
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: 03 August 2010 Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Agustin, Liza Q. - 18.11.92
Modified by: Capuli, Estelita Emily - 31.07.19
Checked by: Casal, Christine Marie V. - 15.01.03

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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