upside down jellyfish
 

upside down jellyfish $1 each.the size of a loony-will grow to about 4 "

I have seen these at j&l, very cool. Are they easy to keep in your tank? Will they sting corals or fish? Or should they be kept in their own tank?

Everything I have read says they are not reef safe. Here's a quick link.
http://www.liveaquaria.com/product/p...543&pcatid=543

Saw some Cassiopea ( aka upside down jellyfish ) last week at King Ed... I believe they should be in a tank of its own with low flow. There's been discussions on them in the past on canreef so just do a search.



This company is building a dedicated tank for
jellyfish:

http://reefbuilders.com/2011/08/15/j...ktop-aquarium/

Hey, Are you breeding these jellies? I am interested in these guys as my plan is to set-up a 15 gallon mangrove refugium, and Cassiopeias are awesome for that kind of a set-up.

That being said, I'm not yet ready for that at the moment. I just discovered a small leak in my tank, so I'm going to have to build that bad boy up before I can take the jellies. Will you have more of these in the near future?

considering they rest on the sand, wondering why not reef compatible?

Sting corals and fish..they can move.:biggrin:

jellys
 

i have them in a 40 gal tank with 2 firefish gobies,some mushrooms and a turban coral(couple of crabs,snails& a tiger cowry.they are harmless and stick to the bottom of the tank,or the sides of the glass.they feed on light and maybe some phyto.i have handled them many times with no effects(unlike some corals or anenomies).as far as i'm concerned they are reef safe as they are not preditory.i also have about 50 in the tank ranging from 1/4 inch to 1 1/2 inches with more starting in other tanks.
once in a while they will move through the water collumn but most of the time they are on the bottom

http://www.ohgizmo.com/2011/08/15/de...ellyfish-tank/

can at least get a stand alone low flow tank...

To be fair though I wouldn't be surprised if it was an opportunistic feeder, it's listed as omni/carnivore. Like your tiger cowrie (I tried one once had problems with it eating certain corals and slower animals as well as bulldozing the liverock like crazy), I'd wager it needs a setup that has the least chance for causing problems. Certainly a "with caution".