This is quicker than any insect, spider or snake known to man. Nudibranchs are mollusks in the class Gastropoda, which includes snails, slugs, limpets, and sea hairs.Many gastropods have a shell. Chironex fleckeri, commonly known as the sea wasp, is a species of extremely venomous box jellyfish found in coastal waters from northern Australia and New Guinea to Malaysia, the Philippines and Vietnam. Check out these fun facts about jellies: Jellies are older than the dinosaurs. Gastropods also have a foot and all young gastropods undergo a process called torsion in their larval stage. The polyp is tiny and inconspicuous. A regular wetsuit is not sufficient to protect you from sea wasp stings and a specially designed box jellyfish wetsuit is needed to prevent getting stung. Some people call this jellyfish the most lethal jellyfish in the world, because it has caused deaths because of its painful sting. 12 Fascinating Facts About Jellyfish These odd animals are ancient, adaptable, and in some cases, possibly immortal. Nudibranchs have a shell in their larval stage, but it disappears in the adult form. Another type of jellyfish is the Sea Wasp also called the chironex fleckeri. They mostly live around the north side of Australia, and can have tentacles up to 10 feet long. Approximately 1,000 people are stung by sea wasps annually resulting in 100 deaths. An adult sea wasp carries enough venom to kill 60 full grown adults. Death can occur in as little as 2-3 minutes depending on the number and severity of stings. Scientists have fossilized evidence that suggests jellies have been around for 600 millions years or more, making them one of the oldest multicellular life forms on our planet. The name sea wasp is misleading because the creature isn't actually a wasp or insect at all. Sea Wasp, our latest generation of ROV based systems, was designed to successfully locate, identify and neutralise IEDs, especially in confined areas and challenging conditions like … It’s a myth that urinating on a jellyfish sting will relieve the pain. Sea wasps are generally found in shallow sea water, and if you can spot any of them in the water then swimming and other activities are not recommended. https://www.nationalgeographic.com/animals/invertebrates/group/box-jellyfish Fun Facts Bibliography ~Chironex fleckeri or is the largest of the box jellyfish ~box jellyfish have clusters of eyes on each side of the box ... ~nick name: sea wasp ~box jellies can actively swim unlike most jellyfish which have no control over their direction and float wherever the current takes them. It is a jellyfish. 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