This behaviour has presumably led to the sexual dimorphism of larger heads, body size and tusks to increase success of fights (Katsirakos & Shine 1997).

The dorsal surface of the frog is normally brown, but can be olive to black, with low ridges, warts and irregular darker markings.

[1] The [ventral] surface of this species is more striking - being marbled black and white with flashes of red on the groin and hind legs.

[2] A. brevis is associated with dams, ditches, flooded grassland and creeks in rainforest, wet sclerophyll forest and woodland.

Breeding takes place in spring and summer and eggs are laid as a foamy mass in the nest, hidden from sunlight.

In the breeding season (October - December), males build nests out of foam hidden from direct sunlight in ponds and swamps.