Suitable background for Luohan fish tank:

1. Blue is the most commonly used color. Blue has a good brightening effect and can make the body of Luohan fish The color is better displayed.

2. You can also choose a wallpaper with more sequins. This kind of wallpaper is more suitable for golden-colored Luohan fish and can make the fish body look more colorful.

3. If it is a Luohan fish with a lot of sequins, you can choose a black background, so that the sequins on the Luohan fish can be more prominent and highly ornamental.

4. For Luohan fish with special colors, you can choose wallpapers of similar colors according to its body color, so that it will not be easy to make mistakes.

5. You can also choose a 3D background that simulates the scenery. With the help of lighting, it can achieve a real-life effect, which is more beautiful than a solid-color background.