Red Rainbowfish: Full care Guide

Every fish keeper wants to keep some colorful fish in their aquarium. The Red Rainbowfish is one colorful fish.

As the name suggests this fish is colorful. When they are kept in a group they display bright red color.

The care level is not so hard. So beginners can also keep this in their aquarium. They are also good community fish.

Care Level:Easy.
Color Form:Red.
Lifespan:Up to 6 – 8 Years.
Size:Up to 6 inches.
Minimum tank size:30 Gallons.
Tank Set-Up:Tropical Freshwater with dense vegetation.
Compatibility:Peaceful community.

Overview of Red Rainbowfish

They are tropical freshwater fish native to Lake Sentani in Indonesia. They belong to the Melanotaeniidae family also known as the rainbowfish family.

The Red Rainbowfish is also known as Salmon Red Rainbowfish, Red Iranian rainbowfish, and New Guinea Red Rainbowfish.

They live in groups for protection, hiding in the vegetation. They are not aggressive species and are also easy to care for.

If you are a beginner aquarist then this is a good choice for you. If you keep them in good care they survive up to 6 – 8 Years.

The Appearance of Red Rainbowfish

The Red Rainbowfish can grow up to 6 inches. The identification of males and females is not so hard.

The males have red colorations. They also develop a much higher back. A Male’s shade of red can be influenced by many factors.

These include diet, age, water condition, and mood. A good healthy mature male will be blood red on its body and fins. The silver scales are scattered across the center of the body.

Females and young fish have brown with grey fins.

The Behavior of Red Rainbowfish

They are peaceful fish. They can be kept with other fish of similar size and temperament.

When mating they may chase each other, but this should not result in any injuries. In wild, you can find them in groups, so they should not keep singly. And also a group will help to show off their color.

You can find them in the middle and upper levels of the aquarium. this will either be swimming in the open or hiding in the vegetation. Sometimes they swim to the lower levels to scavenge for food.

Interested in other freshwater fish Click Here.

The Tank Requirments of Red Rainbowfish

They are only found in Lake Sentani in Western New Guinea. These fish are found in shallow areas of the lake where dense vegetation is abundant for shelter from bigger fish. The water would be warm in this tropical climate.

Tank Conditions

For suitable substracts use sand and gravel. They would not go to the low levels of the tank very often.

You should also plant some live plants. For decoration use Rocks and bogwood. The filter outlet should create sufficient water movement and standard aquarium lighting is bright enough.

Find out more about Freshwater plants.

Water Parameters

The water must be heated to 70oF – 79oF. The pH should be 6.5-8.5 and the hardness should be 8-25 dGH.

Best aquarium size for Red Rainbowfish

They are large and active, so they need plenty of space. At least 30 gallons of water is essential. The recommended tank size is 50-60 gallons. In a big tank, they will enjoy the extra space.

Red Rainbowfish Diet

They are omnivores and eat most small foods that come their way. In the wild, they would eat insects that fall into the water or floating bits of vegetation.

You can feed them dried foods like flakes and pellets. You can only feed dried foods because they are not very nutritious.

Feed them live/frozen foods like Bloodworms and brine shrimp. This food is nutritious.

Feed them twice a day, But only give them what they can finish in 3 minutes to case the workload on their digestive system.

Tankmates for Red Rainbowfish

They are peaceful. They work well in a community tank, as well as a species tank. The tankmates should not be bigger or more aggressive.

You can also add other rainbowfish species. It will give a vibrant color to your tank.


Can you keep Red Rainbowfish Together?

Yes, you can. They are naturally found in groups of their own kind. They will enjoy being together. Keep at least 5 of them, though 6 or if you mix sexes. Having males and females in the tank is the best way to bring out their colors.

Hey, I am Shuvradeb Biswas a content writer. Fishkeeping is my hobby. There are many problems I faced during my first fishkeeping. So, I made the blog to help new fishkeepers.

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