In it, an aquarist makes an attempt to simulate a specific natural ecosystem, assembling fish, invertebrate species, vegetation, decorations and water conditions all present in that ecosystem. Biotope aquaria simulates the experience of observing in the wild. It typically serves as the healthiest attainable synthetic environment for the tank’s occupants. A kreisel tank (kreisel being German for “spinning high” or “gyroscope”) is an Aquarium formed like a horizontal cylinder that is designed to carry delicate animals similar to jellyfish and newborn seahorses. These aquariums provide slow, circular water move with a naked minimal of inside hardware to prevent the inhabitants from becoming injured by pumps or the tank itself.
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