The jellyfish looks nearly identical to a relative species. Credit: Iesa et al Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . You may unsubscribe at any time. A recently discovered box jellyfish species living in near Singapore looks nearly identical to another jellyfish previously discovered by the same scientist. But regardless of whether or not you can tell Chironex blakangmati and Chironex yamaguchii apart, you’ll want to steer clear of both of them. Box jellyfish didn’t earn their “sea-wasp” nickname for yellow-and-black stripes. Cheryl Ames , a marine biologist at Japan’s Tohoku University, collected C. blakangmati during an expedition near the coast of Singapore’s Sentosa Island. The team initially assumed the invertebrate was an example of C.…