
Abstract
A new species, Triplophysa longipectoralis, is described from Liujiang River, Guangxi, China. The new species is distinguished from other species of Triplophysa by the following combination of characters: pectoral fin highly developed, reaching beyond pelvic-fin origin; eyes present and vestigial; body covered with scales; dorsal and lateral sides of head and body mottled with blotches; dorsal fin emarginate; caudal fin forked; anus close to anal-fin origin. A key to all valid species of Triplophysa in Xijiang River water system is provided.