The appearance of the green tree frog tadpole changes during its development. The tadpole can reach from 8.1 millimeters (after it has hatched) to 44 millimeters. The tadpole is brown, but it later changes to green during its development. The underside of the tadpole is dark. It changes to white when the tadpole is an adult frog. The eggs are brown, in a clear jelly. They are 1.1–1.4 millimeters in diameter. 