Introduction 

The Australian rainbow fish, also known as the Murray River rainbow fish, is a vibrant, colorful, and peaceful species originating from the Murray River Basin in New South Wales.

With an average size of 4-6 inches, they prefer warm water and prefer groups with ample space. Maintaining a pH level of 7.0pH and water hardness between 8-20dGH is essential for their well-being.

What other fish can I keep with Australian rainbow fish?

Australian rainbow fish are calm and get along with many different kinds of fish. The following are some of the ideal tank mates for Australian rainbow fish:

• Tetras: Tetras make excellent companions for Australian rainbow fish. They are tiny, calm fish that come in a range of colours.
• Guppies: These little, vibrant fish are simple to maintain and get along well with Australian rainbow fish.
• Mollies: The tough fish known as mollies may live alongside Australian rainbow fish and are excellent for novices.
• Swordtails: These energetic fish can cohabit with Australian rainbow fish and are excellent swimmers.
• Platies: These colourful, little fish are calm and may live with Australian rainbow fish.
• Catfish: The bottom-dwelling fish known as catfish are excellent cleansers and can cohabit with Australian.
• Danios: Australian rainbow fish enjoy the company of these energetic, schooling fish.
• Rasboras: These little, calm fish may cohabit with Australian rainbow fish and are available in a range of colours.It’s crucial to remember that you should always check the compatibility of new fish with your existing fish species before adding them to your aquarium. Additionally, make sure your tank is big enough to fit.
  

  How many Australian rainbow fish should I keep in a tank?

  For rainbow fish, a tank must be at least 30 gallons in capacity. Choose a larger tank if you wish to keep a school of five or more fish. The volume of the tank and the kind of other fish you intend to maintain with the Australian rainbow fish will determine how many of them you may retain.

  For every inch of fish, you should have at least 20 gallons of water. If you intend to maintain other fish species together with your Australian rainbow fish, you need find out if they get along and make sure your aquarium is big enough to hold all the fish you wish to keep.

  Tetras, guppies, mollies, swordtails, platies, catfish, danios, and rasboras are a few of the greatest tank companions for Australian rainbow fish.

  What is the ideal temperature for Australian rainbow fish?

  These fish require a stable temperature between 68°F and 77°F for proper growth. Regular monitoring and adjustments to the temperature using a reliable aquarium heater and thermometer are crucial.

  How often should I change the water in my aquarium?

  The frequency of water changes in an aquarium depends on several factors, including the bio-load of your tank, the size of the tank, and the presence of living plants. Here are some general guidelines:

  • For a heavily stocked tank, it is recommended to perform a water change every one to two weeks.
  • If your tank is not heavily stocked, you can perform a water change every two to four weeks.
  • A good rule of thumb is to change 10 to 15 percent of the water each week for a lightly stocked aquarium.
  • Smaller tanks generally require more frequent water changes than larger tanks.

  Regular water changes are important for maintaining good water quality and the overall health of your fish. They help remove excess nitrates and phosphates, which can be harmful to your fish if they accumulate in high levels. However, it’s also important not to do too many water changes, as this can disrupt the balance of beneficial bacteria in the tank.

  Remember to monitor your aquarium closely and adjust the frequency of water changes based on the specific needs of your fish and tank conditions. If you’re unsure, it’s always a good idea to consult with a knowledgeable aquarium hobbyist or professional.

  

  How often should I feed my Australian rainbow fish?

  AquariumNexus advises feeding rainbow fish 1-2 times daily, rotating their diets, and ensuring they consume only what they can consume in 2-3 minutes. Fish Laboratory suggests small portions and rotating diets, while JalJeev recommends feeding them 2 to 3 times daily, with frozen food only once a week.