How many Galaxy Rasboras can go into a 10 gallon aquarium?

Galaxy Rasboras, scientifically known as Celestichthys margaritatus, are small and captivating fish that have become increasingly popular in the aquarium hobby. Due to their small size and peaceful nature, they can be kept in large numbers in a single aquarium, creating a stunning display of activity and color.

When it comes to the number of Galaxy Rasboras that can be housed in an aquarium, it is essential to consider their small size and the available space. These tiny fish typically reach a maximum size of about 0.8 inches (2 centimeters) in length. Given their small stature, a general guideline is to provide at least 1 gallon (3.8 liters) of water per fish. This means that in a 10-gallon (38-liter) aquarium, you could comfortably keep around 10 Galaxy Rasboras.

However, it's important to remember that these fish are highly social and thrive in large groups. Keeping a larger school of Galaxy Rasboras not only enhances their natural behavior but also creates a visually stunning effect in the aquarium. Aim for a minimum of 10 to 15 individuals, but if space permits, you can keep even larger groups.

In conclusion, due to their small size and peaceful nature, Galaxy Rasboras can be housed in large numbers in a single aquarium. Providing at least 1 gallon of water per fish, a 10-gallon tank can comfortably accommodate around 10 Galaxy Rasboras. However, for optimal social behavior and visual impact, it is recommended to keep larger schools of 10 to 15 individuals or more if space permits. Creating an environment where these beautiful fish can thrive in large groups will add vibrancy and liveliness to any aquarium.

You can learn more about Galaxy Rasboras in our complete care guide!