Jellyfish live in all of the world's oceans. Their trailing tentacles contain stinging units called nematocysts that can inject poison through human skin, causing burning pain, tingling or numbness, itching, and blisters. In more serious cases, systemic symptoms like vomiting, weakness and muscle spasms occur. Most jellyfish stings do not require medical treatment, but in rare cases of widespread stings or a sting from a highly poisonous species, the venom can be fatal.
Jellyfish stings are painful, irritating and can potential ruin a fabulous day at the beach. A variety of home remedies may offer quick relief when the unsuspecting jellyfish sting occurs. Beach goers should not worry about the...
There are four major types of jellyfish--lion's mane, Portuguese man-of-war, sea nettle and sea wasp. The tentacles of jellyfish contain stinging cells that can cause significant injury to humans and other animals. Jellyfish st...
The very poisonous box jellyfish are found in Hawaii. Nematocysts, stinging cells attached to the tentacles, stun prey and inflict pain on humans who come in contact with them. Even tentacles that break off when the animal is ...
Jellyfish stings are a nuisance to swimmers exploring the water. The animal's body is composed of a transparent gelatin material; most jellyfish have tentacles and stingers that emit venom when touched. According to Divers Aler...
When discharged in human skin they create a painful burning sensation. The sting of an Australian box jellyfish may be deadly, but chance encounters with most of the marine animals known as jellyfish (many are unrelated to tru...
A jellyfish is a type of marine animal that has long tentacles and a transparent body. The tentacles of the jellyfish contain stinging cells, which can harm anything that comes in contact with them. It is relatively common to b...
Jellyfish are translucent sea creatures that have a circular, hollow-like shape with tentacles. Jellyfish's bodies are gelatin-like, with no skeletal system. The jellyfish's mechanism of defense is the venom it releases when te...
