that produce surface films of eggs arch the middles of their backs downwards sufficiently to position their vents above the water while lying almost horizontal at the surface. Soonthornvipat and Soonthornvipat (2010) noted that the fertilized eggs of G. molossus are 4.5"0.8 mm in diameter and that embryos hatched at 5.0"0.17 mm total length about 25 h after fertilization at 22–26EC. External gills are present, 5-day old tadpoles were 9.1"0.02 mm in length, hind limbs were obvious after 12 days, and metamorphosis occurred after 33 days