In my experience, rasboras are social fish that thrive in the company of their own kind. While they can be kept alone, they are much happier and more vibrant when kept in groups of 7 or more. I have found that a larger group creates a more natural and active behavior in rasboras, as they feel more secure and comfortable with their companions.
When it comes to their habitat, I have observed that rasboras do exceptionally well in a well-planted aquarium. The presence of live plants not only enhances the aesthetic appeal of the tank but also provides hiding spots and a sense of security for the fish. I have noticed that rasboras tend to explore and interact more with their environment when there are plenty of plants to swim around.
In terms of substrate, I have found that using a dark-colored substrate, such as black gravel or sand, really makes the colors of the rasboras pop. The contrast between their vibrant hues and the dark substrate creates a visually striking display. Additionally, a dark substrate can help reduce stress in the fish, as it mimics their natural environment where they would typically be found in shaded areas.
To create a well-decorated aquarium for rasboras, I suggest incorporating a variety of plants, both floating and rooted. This can include species like Java fern, Anubias, and Vallisneria, which provide different levels of coverage and create a more natural-looking environment. Adding some driftwood or rock formations can also provide additional hiding spots and visual interest to the tank.
It is important to note that rasboras are relatively small fish, and they appreciate having areas to retreat to and hide. Providing them with ample hiding places, such as caves or dense plant growth, can help alleviate any stress they may experience. This is particularly important in tanks with other fish species that may be more dominant or aggressive.
Rasboras are social fish that thrive in groups of 7 or more. They show their best colors and behavior in a well-planted aquarium with a dark substrate. By providing them with plenty of hiding spots and a diverse habitat, you can create an environment where they can flourish and exhibit their natural behaviors.