What are the symptoms of grass turtle ink marks?

Signs of inking of turtles: naturally growing male turtles can not fully mature until they develop normally for more than 5 years. At this time, it may become ink. Greenhouse turtles, pond turtles and wild turtles will become ink turtles as long as they are fed and raised. You can't be a black turtle without a greenhouse turtle. This is not a rare opportunity. Some vendors sell turtles at high prices. In fact, most of these turtles were transferred from the greenhouse to the outer pond.

Turtle (scientific name: Mauremysreevesii) is a reptile, belonging to Tortoise, Pseudomedusa. The head is small, not as wide as 1/4 of the posterior nail, the front of the head is smooth, and the skin at the back has fine granular scales; The snout is obliquely cut inward, and the horny sheath at the beak edge is thin; The angle between the left and right odontoid bones of mandible is less than 90. The carapace is relatively flat, with three longitudinal edges, slightly flat limbs and webbed fingers and claws between the toes. The tail is short and small. The carapace is brown, the carapace and the nail bridge are brown, and there are dark brown spots on each shield. Head olive or dark brown; There are yellow lines and yellow spots on the head and pharynx, which extend backward to the neck. Almost all males are black and smelly, while females have brown shells.