A normal kreisel tank housing quite a few moon jellyfish A kreisel tank (kreisel being German for "spinning top" or "gyroscope") can be an aquarium formed just like a horizontal cylinder that is certainly intended to keep sensitive animals like jellyfish and newborn seahorses. These aquariums offer slow, round drinking https://www.auseka.com.au/signal-hill/business-services/age-of-aquariums