Jellyfish attacks and accidents: Jellyfish are responsible for about 100 fatalities a year. Seventy of the 200 species of jellyfish are known to sting people and cause reactions which can be disturbing.

Jellyfish habitat around the world: Most of the dangerous jellyfish are found in Hawaii, Northern Australia, Papua New Guinea, Malaysia, Indonesia, the Philippines, North American coast, Thailand, Japan, Mexico, and Vietnam.