Mystacoleucus marginatus (Valenciennes 1842)

Anal fin with a convex distal margin; dorsal fin with black anterior and distal margins; a black distal margin on the caudal fin; most scales with a black crescent-shaped mark on their base (Ref. 27732).

Inhabits areas with sand and pea gravel from small streams to large rivers (Ref. 12693).

Found at bottom depths of rivers and streams. Inhabits areas with sand or pea-gravel from small streams to large rivers (Ref. 12693). Usually found in streams with clear and moving waters (Ref. 27732). Breeds when water levels begin to rise, but whether it leaves permanent water or not is unknown. Occasionally seen in markets (Ref. 12693).

fisheries: subsistence fisheries

Mystacoleucus obtusirostris is a species of ray-finned fish, found in freshwater habitats in Southeast Asia, notably in Thailand in the Mekong River, Chao Phraya River, and Mae Klong River. It is exploited in subsistence fishing.