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Apr 28, 2011 · The skyward gaze of one set of eyes belonging to box jellyfish provides evidence that these creatures -- which lack a conventional brain -- are capable of sophisticated behavior.
- Jellyfish Stings
- Symptoms
- Treatment
- What Not to Do
- Complications
- Prevention
- Summary
- A Word from Verywell
Of the many species of jellyfish, eight are known to be capable of causing death. The most venomous of all is the Chironex fleckeri,or the Australian box jellyfish. It can weigh up to 4 pounds, with dozens of tentacles that reach up to 10 feet.Each tentacle is covered with button-like structures loaded with thousands of poisonous "darts" that reach...
Box jellyfish stings are extremely painful. Some symptoms can arise hours to weeks after a sting, but the most deadly appear immediately. They include: 1. Red whip-shaped lesions on the skin called "wheals" 2. Blistering and burning at the site of the sting 3. Severe abdominal pain 4. Chest pain 5. Shock 6. Feveror chills 7. Muscle spasms 8. Sweati...
It's best to treat any painful jellyfish sting rapidly and seriously, even if you don't know what kind stung you. While some kill within minutes, other box jellyfish stings can lead to death in four to 18 hours. If you witness a box jellyfish sting, immediately do the following: 1. Help the person exit the water and try to keep them calm. 2. Call 9...
It's important to know what you shouldn't do as well as what you should do in the event of a box jellyfish sting, such as: 1. Do not touch or press on the site of the sting. 2. Do not rinse with fresh water, alcohol, or ammonia (urine), which could spread the venom. 3. Do not ignore it and wait for the pain to go away. Serious complications can sti...
Reactions to box jellyfish stings can be immediate or delayed by several days or even weeks. Complications may include the following.
Some actions you can take to reduce the chance of a box jellyfish sting include: 1. Avoid swimming in areas where jellyfish are common. 2. Wear a wetsuit and waterproof swimming shoes. 3. Be alert for warnings that jellyfish are in the area. Sometimes they swarm. 4. Don't touch jellyfish that have washed up on land; the tentacles are still poisonou...
Box jellyfish, usually found in tropical or warm waters, are one of the most venomous creatures in the world. There are dozens of kinds of box jellyfish, and some species are deadly. If someone is swimming in warm waters and has severe pain, trouble breathing, or loses consciousness, they may have been bitten by a jellyfish. If so, call 911 immedia...
Though only a small percentage of box jellyfish stings are fatal, when they are, they kill quickly. Even nonfatal stings can have serious complications. Therefore, you should take any jellyfish sting seriously. If you witness symptoms of a jellyfish sting, call an ambulance right away. Doing so could save a life.
- Nancy Lebrun
Apr 28, 2011 · They can actually see images, with the aid of light-focusing lenses. Now, Anders Garm from the University of Copenhagen has found that the jellyfish always keeps its upper lens eyes pointing...
Box jellyfish (class Cubozoa) are cnidarian invertebrates distinguished by their box-like (i.e. cube-shaped) body. Some species of box jellyfish produce potent venom delivered by contact with their tentacles.
Apr 30, 2011 · The researchers examined the function of one of two types of "upper lens eyes," already known to form images, to work out just what those eyes can see and how well.
Apr 28, 2011 · Researchers have known for over a century that box jellyfish support an astounding two-dozen eyes. Now, they are beginning to find out how these eyes are used: four of a box jellyfish’s 24 eyes are always peering up out of the water finds the new study.
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The infamous box jellyfish developed its frighteningly powerful venom to instantly stun or kill prey, like fish and shrimp, so their struggle to escape wouldn’t damage its delicate tentacles.
![[PDF] The lens eyes of the box jellyfish Tripedalia cystophora and ...](https://ca.images.search.yahoo.com/search/images?p=box+jellyfish+eyes+disease+photos+and+pictures&ei=UTF-8&fr=fp-hotsearch-hifi-ca&th=102.1&tw=79.6&imgurl=https%3A%2F%2Fd3i71xaburhd42.cloudfront.net%2Fa5c9b61602cff92709b899b6dff5f0fba640b33b%2F3-Figure1-1.png&rurl=https%3A%2F%2Fwww.semanticscholar.org%2Fpaper%2FThe-lens-eyes-of-the-box-jellyfish-Tripedalia-and-Garm-Coates%2Fa5c9b61602cff92709b899b6dff5f0fba640b33b&size=763KB&name=%5BPDF%5D+The+lens+eyes+of+the+box+jellyfish+Tripedalia+cystophora+and+...&oid=1&h=1110&w=864&turl=https%3A%2F%2Ftse1.mm.bing.net%2Fth%3Fid%3DOIP.yXCbbhxWcYFzy7vIMgTaqAHaJg%26pid%3DApi%26rs%3D1%26c%3D1%26qlt%3D95%26w%3D79%26h%3D102&tt=%5BPDF%5D+The+lens+eyes+of+the+box+jellyfish+Tripedalia+cystophora+and+...&sigr=YT4Ww8Qxf1MH&sigit=xvokOEr5Qx0e&sigi=sAXcJxWYmaaK&sign=xE8FzAEtSJ_h&sigt=xE8FzAEtSJ_h "[PDF] The lens eyes of the box jellyfish Tripedalia cystophora and ...")
