caiman lying in the swamp of the pantanal wetlands along the transpantaneira close to porto jofre.

caiman pantanal reptile rio cuiaba alligator black crocodile dangerous lizard porto jofre south america river dragon jungle mato grosso people person spectacled travel destination wetlands yacare crocodilian eco tourism jacare natural habitat predator skin teeth tropical animal animals brazil danger environment exotic fangs fauna protected species sustainability swamp water wild