Top Ten Most Dangerous Jellyfish
The Atlantic Portuguese man o' war (Physalia physalis), also known as the man-of-war, is a marine hydrozoan of the family Physaliidae found in the Atlantic, Indian and Pacific Oceans. Its venomous long tentacles deliver a painful sting, which is venomous and powerful enough to kill fish or (rarely) humans.
Irukandji Jellyfish (Carukia barnesi) What the Irukandji jellyfish lacks in size it makes up for in the power of its venom. The name is derived from the Irukandji people of North Australia, as this is where the jellyfish was first observed.
The Australian box jellyfish is considered the most venomous marine animal. Craybdea branchi, pictured here, is a relative of the Australian box jellyfish (Chironex fleckeri), which is considered the most venomous marine animal.
Most Dangerous Jellyfish 7 November 25, 2013 For an animal (just) that is 95% water, has no brain and eats / defecates out of the same opening the jellyfish have a surprisingly complex and effective weapon at their disposal.
Most Dangerous Jellyfish 7 November 25, 2013 For an animal (just) that is 95% water, has no brain and eats / defecates out of the same opening the jellyfish have a surprisingly complex and effective weapon at their disposal.
One of the most remarkable and beautiful sea creatures you could ever encounter is the lion’s mane jellyfish. It is also the largest known jellyfish. The bell alone can reach up to 8 feet in diameter, and the tentacles may reach over 100 feet in length.
Most Dangerous Jellyfish 7 November 25, 2013 For an animal (just) that is 95% water, has no brain and eats / defecates out of the same opening the jellyfish have a surprisingly complex and effective weapon at their disposal.
The Most Dangerous Animals in the World There are many dangerous animals in the world but only the deadliest ones make this top ten list. Ordered by the estimated number of humans they kill each year, snakes and scorpions top the list, mainly due to their aggressive behavior and lethal poisons.