The checker barb (Oliotius oligolepis)[2] is a species of cyprinid fish endemic to creeks, rivers, and lakes in Sumatra, Indonesia.

Their omnivorous diet consists of small worms, crustaceans, insects, and plants.

An egg-scattering fish, they spawn early in the morning on plants that are the center of the male's territory.

The checker barb is a schooling fish that is well suited to a community aquarium.

It occupies the medium to lower levels of the aquarium and is an omnivore, doing well on processed foods.