1、Floating Design: Artificial aquarium fishes have a centre of gravity design so that it can float silently in still water without rolling or inverting. 2、Lifelike Appearance: Artificial fish can swim in the water under the influence of pumps, wave makers, oxygen pumps (not included) and other external forces. 3、Moving Design: Artificial moving fishes have a delicate and lifelike texture that is hard to distinguish from real fish when viewed from a distance. 4、Long Life Span: Plastic floating fishes have a very long life compared to real fish and can be used for a long time without any care. 5、Safe Material: Artificial plastic fish are made from plastic, which is safe, non toxic, odourless and does not pollute the water, making them a great choice for creating beautiful aquariums.