The Alvord chub Gila alvordensis is a rare cyprinid fish endemic to the Alvord basin in southeastern Oregon and northwestern Nevada, USA, known only from a few springs, streams, and marshes in the Sheldon National Wildlife Refuge, and one location elsewhere.
The Asoka Barb (Systomus asoka) is a species of cyprinid endemic to Sri Lanka where it is found in the upper reaches of the Sitawaka River and its tributaries, and Kelani near Kitulgala.
The Borax Lake chub Gila boraxobius is a rare cyprinid fish found only in outflows and pools around Borax Lake, a small lake of the Alvord basin, Harney County, Oregon.
Clypeobarbus schoutedeni is a species of cyprinid fish endemic to the Democratic Republic of the Congo where it is only known from the Dungu River.
The desert dace (Eremichthys acros) is a rare cyprinid fish known only from the warm springs and creeks of Soldier Meadow in western Humboldt County, Nevada, USA.
A Ray-finned fish species Hemigrammocapoeta caudomaculata was only known from Lake Amik, while cyprinid Barbus canis (Tor canis) was found nowhere else in Turkey.
The long-snout dace (Leuciscus oxyrrhis) is a putative species of cyprinid fish, found in the Garonne drainage in France.
Pethia didi is a species of cyprinid fish which has only been recorded in the vicinity of Myitkyina and Indawgyi Lake in the north of Myanmar.
Pethia muvattupuzhaensis is a species of cyprinid fish found in Muvattupuzha and Periyar Rivers, Kerala, India.
Pethia nankyweensis is a species of cyprinid fish found in Myanmar where it is known from smaller streams in the area of Myitkyina.
Pethia tiantian is a species of cyprinid fish that has only been recorded from streams in the vicinity of Putao in the far north of Burma.
Pethia pookodensis, is a species of cyprinid fish known to occur only in Pookode Lake.
Pseudaspius leptocephalus, the Redfin, is a species of cyprinid fish found in eastern Asia where it occurs in the countries of Russia, Mongolia and China.
Puntius is a genus of cyprinid fishes known as the spotted barbs for the predominant pattern, though many have vertical black bands instead.
Systomus pleurotaenia, the Side Striped Barb or Black lined barb, is a species of cyprinid fish endemic to Sri Lanka where it occurs in the catchment of the Kelani and Nilwala Rivers.