How Many Guppies In A 10 Gallon Tank Can You Fit?

Most owners want to get all guppies they see at a pet store because they are so adorable. But, they don’t know the number of guppies they can fit safely in a typical tank. Although these fishes are small fish, it’s a mistake if you keep too many of them in one tank. It’s important to care about your fish in order to become a responsible and loving pet fish owner. Of course, nobody wants these fish overcrowded nor too lonely without much company. So, let’s check out this article to determine how many guppies you can fit in a 10-gallon tank.

Things to know before reading on

A 10-gallon tank allows you to keep plenty vibrant fish. Only when you do it right, your aquarium can become a healthy and colorful ecosystem. In addition, your fish can also be able to live a long and happy life. When you just have a 10-gallon tank, it’s easy to make wrong decisions. That’s why it’s important to understand the temperaments and needs of the fish in order to prevent premature deaths. It’s best to do your own research. Now, moving on to the next section!

Size Matters

Normally, male guppies have the length of 0.60″ to 1.40″, while their female counterparts are usually between 1.20″ and 2.40″ long. You can get a comfortable dwelling for a species from a 10-gallon tank.

Gender Matters

If you decide to get an all-male group of guppies with an average length of an inch, the tank allows you to get 10 of them in this tank. And, if you want to buy an all-female group of guppies with an average length of 2″, it’s good to fit five of them in the tank. So, how to mix male and female guppies together. It’s best to combine them with a ratio of 1:2. In fact, male guppies offer a more vibrant color than other females. In addition, these male fish attract female guppies to mate. That’s why we recommend you to get a male guppy between two female guppies. The fact is that they are just rough estimates figures. And, guppies come in various sizes. It’s important to keep in mind that you can fit species measuring as much as 10″ in length combined in a 10-gallon tank. It’s a mistake when you make it exceed this number.

What If They Mate and Reproduce?

One of the possibilities, when you decide to combine male and female guppies in your aquarium, is mating and reproduction. So, what should you do when this happens.

Sell the newborn guppies

The fact is that it’s hard to keep the newborn guppies in your aquarium. Indeed, only their parents can. As a result, there will be an awful environment for the fishes. It’s best to handle this problem by selling the newborn guppies to fellow hobbyists. But, before closing a deal, you know that the buyer owns a clean and safe tank for the newborn guppies. They also have a good knowledge about taking care of fishes.

Buy a new aquarium

If you want to further the lineage of your existing guppies. It’s time for you to purchase a new aquarium instead. You can buy one or two more tanks. By this way, you can easily separate male and female guppies. Also, this way help you avoid mating. It’s a good idea to transfer the newborn guppies the newborn guppies in a new tank. It’s great to buy a larger tank. But, you need the higher maintenance.

Maintenance Requirements

Now, it’s time to consult about how to take care of guppies. In fact, fishes normally don’t need that much attention compared to other pets. Here are some essential things to consider:

You need to keep the temperature of your aquarium between 72 and 80 degrees Fahrenheit. This is the ideal temperature for your fish. In addition, don’t forget to give your guppies a balanced diet. You can consider feeding them daphnia, brine shrimp, and guppy flakes as well. For younger guppies, it’s essential to feed them more to sustain their growth. You need to feed them at least four times per day. When they grow older, you just need to feed them at least once a day. In addition, replace your tank filter once you see it turning brown in color. Once you decide on the number of guppies you will keep, you need to meet their needs at all times.


There a lot of other fish that you can keep in a 10-gallon tank such as Kuhli Loaches, Dwarf Lamprologus, Pencilfish, Least Killifish, and Rasboras. Other common species include Nerite Snails, Cherry Shrimp, Ghost Shrimp, and Apple Snails. They also give your aquarium lots of color to the tank. It’s essential to do an extensive research about it. Make sure you don’t make them die in any way. Hopefully, this article can help you to answer your question.