Amblyrhynchichthys

Amblyrhynchichthys is a genus of cyprinid fish found in Southeast Asia. The genus currently contains three recognized species: Amblyrhynchichthys cruentus, Amblyrhynchichthys eleios, and Amblyrhynchichthys spinifer. These fish are characterized by their moderately compressed body, large scales, and a terminal mouth with a fleshy lobe. Their diet primarily consists of aquatic invertebrates and detritus.

Amblyrhynchichthys cruentus, the most widespread species, inhabits rivers and streams in Thailand, Malaysia, and Indonesia. It is a relatively small fish, typically reaching lengths of up to 15 cm. Amblyrhynchichthys eleios is found in the Mekong River basin of Cambodia, Laos, Thailand, and Vietnam. It is distinguished by its more elongated body and a higher fin ray count. Amblyrhynchichthys spinifer is endemic to Borneo, specifically the Kapuas River system. This species is notable for its prominent spinous dorsal fin rays.

These fish are generally considered non-game species and are not of significant commercial importance. They are sometimes collected for the aquarium trade, although their availability is limited. Further research is needed to fully understand the ecological roles and conservation status of Amblyrhynchichthys species.