Fleckeri

Interaction with humans The dangerous "sea wasp" Chironex fleckeri The dangerous "sea wasp" Chironex fleckeri Jellyfish stings killed about 1,500 people in the 20th century, citation and cubozoans are particularly dangerous.

Isarachnanthus nocturnus, a species found in Brazil, was found to secrete toxins similar to those of the Australian box jellyfish (Chironex fleckeri), whose venom can be lethal to humans and forms pores in cell walls.

Nematocyst toxicity Nematocysts from Chironex fleckeri (400x magnification) Nematocysts are very efficient weapons.