Jellyfish Hello, I'm the OUTDOOR PROFESSOR from DiscoveringTheOutdoors.com/ Here's your outdoor tip on jellyfish. Although some people may never come in contact with jellyfish, there are many people who frequent salt water beaches or some fresh water areas and occasionally encounter jelly fish. There are more than two thousand species of jellyfish in the world, but less than one hundred are considered dangerous to humans—most love the warm water--some of the most deadly are in Australia and a few love the cold Antarctic water. Some of the most venomous are the box jellyfish and the Portuguese man-of-war. So to be on the safe side, it’s a good idea for you to have some basic information about the potential threats of jellyfish. Jellyfish eat zooplankton by capturing them with toxic tentacles that shoot out tiny harpoons. These cells inject a protein-based venom often causing allergic reactions or some may have venom strong enough to kill a human. They travel around the oceans via s
