Generally speaking, for turtles of the same age, female individuals are always larger than male individuals. Common male Brazilian turtles weigh up to 300 grams, and female turtles weigh about 500 grams when they are sexually mature. Other turtles have different standards depending on the species. Generally speaking, Brazilian turtles can only lay eggs and hatch hatchlings when they reach sexual maturity of more than one pound. My Brazilian turtle can only lay eggs when it grows to about 4 pounds. But there is no male turtle and it cannot hatch hatchlings. The egg is 3 cm long, 1.5 cm in diameter, and weighs about 7-8 grams. White.