Realistic decoration: Each plastic fish is designed with a movable tail, which can be placed in fish tanks or aquariums to create a realistic ocean atmosphere, making your aquarium more vivid and ocean-like, nice decorations for your aquariums and aquariums Purchase Notice: Not all artificial fish themselves will swim, even some of them may sink and not float automatically. Must need to use water pump, wave pump and oxygen pump. They can still sink when the waves are not big enough. Please check carefully before buying Durable to use: Made of quality plastic, the artificial floating fish are durable to use, please use them with confidence, the size of each fish measures approx. 1.6 x 1.2 inch/ 4 x 3 cm (L x W), and the size you suitable for putting them in the fish tank, which is different from each other, so that your fish tank is filled with different kinds of artificial fish Widely used: not only these artificial fishes can be applied in fresh and salt water environment, but also