Best Giant Danio Tank Mates For Your Home Aquarium

If you are looking for some low-maintenance, beginner-friendly, and visually pleasing fish, you cannot go wrong with giant danio. Not only do they require little effort to be taken care of, but they are also docile and peaceful.

Given their nature, looking for giant danio tank mates is relatively easy. Below are the top choices when it comes to forming a community tank for your school of giant danio.

Giant Danio – What You Need To Know

Before learning about the most potential giant danio tank mates, you should have a look at their characteristics first.

Giant danio lifespan

The average life expectancy of giant danio varies from 5 to 7 years. Usually, captured giant danio live at least 5 years, even if the conditions are not optimal. Should you be more attentive and create the perfect environment for your fish, expect them to live for another 2 years.

It should also be noted that gender does not have a say in determining giant danio’s lifespan. Unlike some other species, both female and male giant danio share similar longevity.

Giant danio temperature

During normal days, giant danio thrives when the temperature is between 71 and 75 degrees Fahrenheit. These fish prefer the cool, chilly sensation, hence their liking of anything under 75 degrees Fahrenheit.

However, when the spawning season is about to start, warm up the tank’s water by increasing the temperature by roughly 10 degrees Fahrenheit. The spike in heat induces giant danio to reproduce quickly and easily.

Giant danio tank size

As the name already indicates, giant danio is no tiny fish. On average, a giant danio can reach around 6 inches in length. Given their size, you are recommended to go for medium-sized tanks. Anything with a capacity of at least 50 to 55 gallons will suffice.

Make sure your tank has plenty of room for giant danio to move around, as a lack of personal space is detrimental to the fish’s mental and physical well-being. Also, giant danio is no bottom-dweller, so the height of your tank is not a big deal. As long as the tank is deep enough, your fish will be fine.

Giant danio habitat

Giant danio is native to the freshwater streams, rivers, and lakes in Eastern countries. They are more comfortable swimming with no or slow water flow, giving them more freedom to swivel around.

Giant danio also seeks pleasure in hiding in lush plants, as their natural habitats are filled with vegetation.

Replicating the right environment for giant danio in the wild is easy enough. All you have to do is to remove the heavy water streams inside your tank, coupled with the addition of plants and decor.

While giant danio does not require a particular type of substrate, a dark-colored bottom will be more flattering to the fish’s appearance. You can go for anything, from ground corals or sand to gravel.

Giant Danio Tank Mates

Now that you get the basic idea of giant danio, let’s proceed to learn about their best tank mates.

Clown loaches

Loaches make for perfect giant danio tank mates, as they are within the same size and do not act aggressively. Furthermore, clown loaches are stunning with their yellow and dark green stripes.

Feel free to mix these beautiful fish with your giant danio, since the two of them are social and friendly towards one another.

Cory catfish

Cory catfish is the go-to fish if you want a hardy, low-maintenance tank mate for giant danio. Not only are they known for their calm temperament, but cory catfish are also bottom-dwelling. Thus, the chances of them colliding with giant danio are slim.

Mystery snail

Who says that only fish can be qualified as giant danio’s tank mates? If you want a change, consider putting mystery snails inside your tank. These invertebrates are extremely useful when it comes to tank cleaning and algae consumption.

Furthermore, they are slow-moving and non-threatening to others, making them the perfect pals for giant danio.

Tiger barb

Tiger barbs are known for their colorful appearance and lively performances. While they can be slightly belligerent at times, overall, they can still share the same living space with other fish.

Tiger barbs do not move away much from their territory – which is at the tank’s bottom – so your giant danio will be fine.


Angelfish can be a bit too big for small-sized tanks, given their 6-inch length. That said, if you have a large enough tank, hosting angelfish and giant danio together is a wonderful idea.

These two species are peaceful and do not engage in fights. Moreover, they have the same level of care needed, which spares you extra effort when it comes to fish maintenance.

Cardinal tetras

Tetras are a lovely addition to any community tank thanks to their small size and noticeable appearance. What makes them even more suitable for your giant danio is that cardinal tetras are calm and tranquil. They only swim around and have fun on their own, which is no threat to giant danio.

White cloud mountain minnow

If you have no problem nurturing a small school of fish, white cloud mountain minnows are worth considering. Similar to other tiny fish, minnows make for great beginner-friendly species.

They are easily adaptable and can be found pretty much everywhere. Having at least 3 to 5 minnows creates the ideal school of fish for your community tank.


Once you have learned about the best giant danio tank mates, it is time to set up your tank at home. Check your local stores and see if they have the right selection of giant danio and potential tank mates for you.

And, in case you find this article useful, feel free to share it with fellow aquarists!