Botia rostrata, the Gangetic loach, ladder loach, or twin-banded loach, is a freshwater fish belonging to the loach family Botiidae. It originates in calmer water pool areas of highland streams in the lower Ganges and Brahmaputra basins in Bangladesh and north India. Records from elsewhere are believed to be misidentification of relatives (e.g., ). It is not as common in the aquarium trade as the clown loach or yoyo loach.