Jellyfish exhibits have been popular additions to aquariums in the past few years. Special tanks are carefully lit and designed to show off different types of jellyfish, creating lovely photo opportunities. The jellies are soothing to watch and it’s no surprise that those with the means want to display them at home. But you can’t just plop a jellyfish into a regular fish tank. The title of this N.Y. Times Bits blog posting speaks to the unpleasant results if a jellyfish hits a normal filter instead of having a gentle current to drift in. The Jellyfish Art start-up specializes in building and installing jellyfish habitats for homeowners, and also providing suitable food. The JelliesZone website has an extremely detailed write-up on the challenges of keeping captive jellyfish.