Why are freshwater snails dangerous?

Why certain species of snails are more dangerous than you might think. ... Another creature belonging to the “small but deadly” category is the freshwater snail, which is responsible for more than 200,000 deaths a year — more deaths than sharks, lions and wolves combined. read more

Humans wipe out 475,000 fellow people in murders and wars, but diseases such as schistosomiasis caused by freshwater snails, Chagas disease carried by bugs, sleeping sickness spread by Tsetse flies and rabies, which is transmitted by dogs, are also responsible for thousands of deaths. read more

SOME freshwater snails are hosts to parasites that can affect humans or our livestock. Some pose a threat to other species. because humans have released them into the wrong biotope. read more

Assassin snails are often put to work as contract killers by aquarium owners trying to get rid of an infestation of plant-eating snails. Like some of the best assassins, these snails are small at 2.5 centimeters (1 in) and exceedingly sneaky. read more