Ask for identification, was the turtle released by others? What about age?

Brazilian green turtle, also known as red-eared turtle, Brazilian colorful turtle, red-eared colorful turtle, beautiful golden turtle, mahjong turtle, colorful turtle, red-eared skateboard turtle, Mississippi red-eared turtle and red-eared side turtle, is an excellent species among turtles and has high edible, medicinal and ornamental values. It is named after two thick red stripes on both sides of the back of the head.

Judging from the size, it should be four years. . The Brazilian tortoise is recognized as an ecological killer in the world. It is listed as one of the most destructive species by the world environmental protection organization and as a dangerous alien invasive species by many countries! China also listed it as an alien invasive species, which caused immeasurable damage to the natural environment of China.