乌龟的壳又硬又重,就像铠甲一样,对它们的头、颈、四肢和尾部都起到了很好的保护作用。不同品种的乌龟背着的壳形状不尽相同,其中,不乏一些另类。近几年,有些人把鳄龟当宠物来养,但养上一阵子后,发现它并不是什么好玩的东西,于是,就把它随意放生。鳄龟在我国的自然环境下几乎没有天敌,任意放生鳄龟,势必会对生物链造成破坏。因此,收养和放生鳄龟都必须小心慎重。 Turtle shell hard and heavy, like armor, on their head, neck, limbs and tail have played a very good protective effect. Different species of turtle shell carrying different shapes, of which, there are some alternative. In recent years, some people use snapping turtles as pets to support them, but after spending a while, they find it is not a fun thing, so they are free to let it go. Snapping turtle almost no natural enemies in our natural environment, any release of snapping turtles, is bound to cause damage to the biological chain. Therefore, adopt and release snapping turtle must be careful.