You can mix danios in the same tank. However, there are certain factors to consider before doing so. These factors include tank size, other fish species in the tank, and the individual temperament of each danio.
In terms of tank size, danios are active swimmers and appreciate plenty of space to dart around. A larger tank, such as a 20-gallon or larger, would be ideal for housing multiple danios. This would provide ample swimming space and reduce any potential aggression that may arise from overcrowding.
When mixing danios, it’s important to consider the compatibility of other fish species in the tank. Danios are generally peaceful fish and can coexist with other community fish. However, some caution should be exercised when choosing tankmates. Avoid keeping danios with aggressive or fin-nipping fish species, as this can lead to stress or injury for the danios.
Additionally, the individual temperament of each danio should be taken into account. While danios are known to school, not all individuals may exhibit this behavior to the same extent. Some danios may prefer to swim independently or form smaller groups within the tank. It’s important to observe the behavior of each danio and ensure they are compatible with each other.
In my personal experience, I have successfully mixed different species of danios in my 75-gallon tank. I have 6 blue danios and 1 zebra danio, and they coexist peacefully. The zebra danio even schools with the blue danios, creating a visually appealing and dynamic display in the tank.
To summarize, danios can be mixed in the same tank, but it’s important to consider factors such as tank size, compatibility with other fish species, and the individual temperament of each danio. By providing enough space, choosing appropriate tankmates, and observing the behavior of each danio, it is possible to create a harmonious and visually appealing community tank.