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鳄龟原产北美洲，又叫小鳄龟，最大体重１０千克，其长相奇特，粗看酷似一条鳄鱼，其头伸出体外，不能全部缩入壳内；嘴部上下颌略尖，眼睛有神；尾两边有肉突，尾背前面２／３处有一条鳞皮状隆起的棱脊，并呈锯齿口状；背壳很薄，上有三条纵向背棱，并分成许多丘突，上皮以棕
Snapping turtle native to North America, also known as snapping turtle, the maximum weight of 10 kg, its strange looks, looks like a crocodile rough, his head out of the body, can not be fully retracted into the shell; mouth slightly pointed jaw, eyes God; tail on both sides of the sudden, 2/3 in front of the back of a squamous ridge ridge, and was serrated mouth; back shell is thin, there are three longitudinal dorsal ribs, and is divided into many hillocks, epithelium Take brown