The natural habitats of the African bullfrog are dry savanna, moist savanna, subtropical or tropical dry shrubland, intermittent freshwater lakes, intermittent freshwater marshes, arable land, pastureland, canals, and ditches. It is among the largest frogs (second only to the goliath frog), with males weighing up to . Females are half the size of males, which is unusual since in most amphibian species females are larger than males, to help the amplexus. Males can reach in snout–to–vent length, while females are much smaller.