Ambastaia is a genus of botiid loaches native to Mainland Southeast Asia and China. The species in this genus were formerly included in Yasuhikotakia.
Species There are currently two recognized species in this genus:Kottelat, M. (2012): Conspectus cobitidum: an inventory of the loaches of the world (Teleostei: Cypriniformes: Cobitoidei). The Raffles Bulletin of Zoology, Suppl. No. 26: 1-199. Ambastaia nigrolineata (Kottelat & X. L. Chu, 1987) Ambastaia sidthimunki (Klausewitz, 1959) (Dwarf botia)
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