An average kreisel tank housing various moon jellyfish A kreisel tank (kreisel becoming German for "spinning best" or "gyroscope") can be an aquarium formed just like a horizontal cylinder that is certainly intended to maintain fragile animals including jellyfish and newborn seahorses. These aquariums offer slow, round water move which http://northlandfeatured.com/directory/listingdisplay.aspx?lid=47092