湾鳄 (咸水鳄)

📖 1. 概览

体长6m以上、体重超过1吨的现存最大爬行动物，实测咬合力达16,460N，是公认现生动物中颌部力量最强的掠食者。

🌐 Wikipedia 摘要摘录

The saltwater crocodile is a crocodilian native to saltwater habitats, brackish wetlands and freshwater rivers from India's east coast across Southeast Asia and the Sundaland to northern Australia and Micronesia. It has been listed as Least Concern on the IUCN Red List since 1996. It was hunted for its skin throughout its range up to the 1970s, and is threatened by illegal killing and habitat loss. It is regarded as dangerous to humans.

🦴 2. 身体结构与特征

凭借排盐腺和四腔室心脏精密的旁路瓣膜，能在水下潜伏1小时以上，咬住猎物后施展翻滚撕扯的“死亡翻滚（Death roll）”。

🔍 3. 生态与行为

是与恐龙同自初龙类（主龙类，Archosauria）分化而来并挺过大灭绝的活化石。

🇰🇷 4. 与韩国的关联

在朝鲜半岛白垩纪霞山洞层中也曾发现古鳄类化石，展现出与中生代朝鲜半岛河流生态系统的联系。