The three-keel turtle knows its owner.

If the three-keel turtle is raised, it does not run away, but approaches you, which is also a sign that the three-keel turtle recognizes the owner, and may ask the owner for food.

If the three-keel turtle is placed on land, it will be exhausted when it sees strangers May stay away, and will crawl towards an approved owner. When the master strokes, he basically does not resist, and he will show a very enjoyable appearance.