Hippos, responsible for 500 deaths annually, attack boats and people with their massive size and territorial aggression, making them far more dangerous than lions in Africa.
Despite their gentle image, elephants cause 500 deaths per year, often trampling people during territorial conflicts as their habitats are increasingly encroached upon by human settlements.
Saltwater crocodiles, killing 1,000 people annually, are the largest reptiles on Earth. Their speed and strength make their attacks, especially in water, almost always fatal to humans.
Ascaris roundworms cause 2,500 deaths annually by invading the human intestine through contaminated food or water, leading to severe and sometimes deadly diseases like Ascariasis.
Scorpions, particularly the deadly Indian red scorpion, kill 2,600 people annually. Their venomous stings often occur when they are accidentally disturbed in homes or stepped on.
Assassin bugs, responsible for spreading Chagas disease and causing 10,000 deaths annually, bite sleeping individuals, often on the face, transmitting a deadly parasite in the process.
Saw-scaled vipers, causing 138,000 deaths each year, are highly venomous and aggressive. They frequently come into contact with humans in populated areas, leading to numerous fatal bites.
Freshwater snails indirectly cause 200,000 deaths annually by being intermediate hosts for parasites that cause schistosomiasis, a severe disease affecting millions in tropical and subtropical regions.