 "R. ventrimaculata" reach adulthood at an age of six months.The females attach four to eight eggs to leaves beneath the water level, where they are inseminated by the male.The tadpoles leave the eggs after 12 to 16 days, the male carries them one by one to puddles or similar minute bodies of water; as the tadpoles are omnivorous and cannibalistic, they are separated from each other in the process.