Triplophysa siluroides is a large species of stone loach, which is endemic to the upper parts of the Yellow River basin in the Chinese provinces of Qinghai, Gansu and Sichuan.

[1][2] T. siluroides reaches up to 50 cm (1.6 ft) in standard length and 1.5 kg (3.3 lb) in weight,[3] making it the largest species in its family.

The species is known to have a large head depressed with 3 barbel pairs and a caudal fin emarginate.

The upper body is slightly longer, as for the color the body is of yellowish brown color with brown circles accompanies by cloudy patterns on the sides.

[7] An important food fish,[8] it has seriously declined and is now considered vulnerable according to China's Red List.