Govine Aquarium Decorations, 12pcs Plastic Artificial Fish for Aquarium Fish Tank Random Color and Pattern These colorful artificial fishes are made of plastic and 12 pieces plastic fishes will be send together by random color and pattern. Colorful artificial fish with wiggly tails for aquariums.Create a beautiful aquarium with these fishes. These plastic fishes must be placed on water cycle or aquarium with bubble generator, otherwise they will not swim and may float to the top or get stuck in the corner. These pictures are taken under the irradiation of blue & white lights in the fish tank, we recommend blue & white light, blue light or purple light to get better effect. Size: L 40 x W 30 mm / L 1.6" x W 1.2"Because of different fish species,the size will be also different.