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My LFS has a couple of Blue Jellyfish, I'm not really thinking of getting one. I'm just curious if anyone has sucessfully kept one. They don't look like they could handle the currents in a full blown reef tank.
They need a lot of current becuase they filter feed, but at the same time they need a tank where the can't bump into things and be damaged. The ideal tank is a rotating cylinder with a circular current to keep them from hitting the wall. This is how these creatures are kept on research vessels sometimes.
I had one in my pond for about 3 seconds before he went straight to the pump.
I saw them at That Pet Place today, it is honestly really disappointing as I have little doubt they will all be dead in a short period of time. One is already stuck to a powerhead.
As mentioned, they are difficult to provide an environment for in a tank. They need current for food, but at the same time are not designed to swim in heavy currents. I don't see how they could be fit into 99% of home aquaria, but would rather need a species tank as mentioned above.