水鳖是一种生理疾病,因鳖被强行滞留于水中,肺充水窒息而致。冬眠之后,鳖由鳃呼吸转为肺呼吸,大多时间均栖息在水外(如觅食、晒甲等),只有在受惊吓时,才会潜入水中,但每隔三五分钟必须将吻端伸出水面呼吸,如果强制滞溜水中时间过长(2～6小时),因为惊慌挣扎,使肺活量加大,气体交 Water turtle is a physiological disease, because turtle was forcibly retained in the water, lung suffocation due to water. After hibernation, the soft-shelled turtle breathes from the gills into the lungs. Most of the time it inhabit the water (such as foraging, sun-drying, etc.). Only when scared will it dive into the water, but every three to five minutes, Out of the water breathing, if forced to stagnate in the water for too long (2 to 6 hours), because of panic struggling to increase vital capacity, gas pay