Want some color? Rainbow fish are small and brightly colored making the perfect addition to your tank. They love to swim fast and dart in and out of things. These fish move in schools. Having one or two rainbow fish can lead to aggressiveness among them. Keep several so that there is a balance. Some popular types are: Celebes rainbow, checkered rainbow and Boesemani rainbow.https://kamiworldwide.co.uk/
These fish are brightly colored and thrive in open spaces. They also like to hide in vegetation or driftwood. To highlight their colors, keep surrounding light and substrate material darker. They are great for community tanks and move in schools.
What fish are you considering for your tank? Start with these varieties to see which ones you like.