An image of platy fish and guppy fish that explains why these two fish are good in living in the same aquarium

Can Platy Fish Live With Guppies In The Same Aquarium

Small Aquarium Fish For BeginnersPlaty Fish


Have you ever wondered if platy fish and guppies can share a tank? This is about mixing two colorful and friendly types of fish in one home. Platy fish are known for their bright colors, while guppies are famous for their fancy tails.

Both like to be around other peaceful fish.

Understanding how these little swimmers behave and breed when they’re apart helps us know if they can get along together. They both need a big enough tank, at least 10 gallons, with clean water from a good filter.

Even though platies and guppies come from the same family tree, they cannot have baby fish together. And while they mostly enjoy each other’s company, sometimes things can go wrong if they start fighting too much.

Keeping platies and guppies happy together is all about knowing what each one needs to thrive—like enough space to swim freely in their watery world without bumping into problems.

Let’s dive deeper into how we can make this mixed-fish friendship work!

Can Platy Fish Live With Guppies

  • Platy fish and guppies can live together because they both like calm friends and won’t make mixed-up babies.
  • The tank for platies and guppies should be at least 10 gallons with a good filter to keep water clean.
  • Both types of fish eat the same kind of food, but it’s best if they are fed little amounts more than once a day.
  • Giving the fish places to hide helps keep peace in the tank, especially when platy or guppy babies are born.
  • Watch your fish to see if they get along; sometimes male platies or guppies might act tough towards others.

About Platies and Guppies

platy fish and guppy fish swimming in a different aquarium

Platies and guppies are popular freshwater fish known for their vibrant colors and peaceful nature. They both belong to the livebearer family, meaning they give birth to live fry rather than laying eggs.

While platies have a rounded body shape, guppies are more slender with a distinct tail fin. Both species are relatively easy to care for and make great additions to community aquariums.


Guppies flash around with their fancy tails like little water dancers. They come in many vibrant colors and patterns that can make your tank look like a moving rainbow. Guppies are small, but they stand out because of their bright colors and the flowing fins of the male guppies.

Platy fish bring their own splash of color to the aquarium. They might not have long fins, but what they lack in fin length, they make up for in color variety. You’ll find them wearing spots, stripes or just being one solid pretty shade.

And good news – if you put platies and guppies together, you won’t have to worry about them making new mixed-up fish babies; their looks will stay just as unique!


Moving on from how these fish look, let’s talk about how they act. Platies and guppies both have friendly ways. They like being with others and don’t often fight. But sometimes, male platies can get rough when they want to mate.

They might chase the girl fish around a bit too much. Even though this happens, platies are mostly not mean.

It’s smart to watch your fish when you put them together in a tank. Make sure the platies and guppies are getting along okay. If you see them fighting a lot, it could be a problem that needs fixing.

This doesn’t happen very much, but it’s good to be careful so all your fish stay happy and safe.

Breeding (separately)

Platies and guppies are both livebearers. This means they give birth to baby fish, or fry, that swim on their own right away. But even though they share this cool trait, they can’t have babies with each other because they come from different fish families.

If you’re into breeding platies or guppies for fun or for a show, it’s best to keep them separate. Platies will be happy making more little platyfish in their own group. Guppy fish like hanging out with their kind too when having babies.

Some folks really want the best looking guppies, so they pick which ones breed very carefully in a special tank called a breeding tank or use something known as a breeding box.

Breeding these fishes needs some care and planning. Make sure you know what food to feed the tiny fry – things like baby brine shrimp work great! And remember to do water changes often to keep everyone healthy and the water nice and clean.

Can Platies and Guppies Live Together?

single platy fish swimming in a colorful aquarium

Platies and guppies can definitely live together in the same aquarium, but there are certain considerations to keep in mind. It’s important to ensure sufficient tank size, compatible diet and water parameters, as well as methods for managing potential breeding interactions between the two species.

Tank size and filter recommendations

Platies and guppies need a minimum tank size of 10 gallons to thrive.

  1. Tank Size: Ensure that the tank is at least 10 gallons in capacity to provide enough space for both platies and guppies to swim and establish territories without feeling crowded.
  2. Filter Type: Consider using a high-quality hang-on-back (HOB) filter or an efficient canister filter to keep the water clean and clear, as both species produce waste that can quickly degrade water quality.
  3. Filtration System Maintenance: Regularly clean and maintain the filter system, including changing filter media as recommended by the manufacturer, to ensure optimal performance and a healthy environment for platies and guppies.
  4. Water Parameters: Monitor and maintain stable water parameters such as temperature, pH levels, and ammonia/nitrite/nitrate levels to support the well-being of both platies and guppies living together in the same aquarium.
  5. Tank Setup: Provide hiding spots, live aquatic plants like java moss, and suitable decorations to create a natural environment while also offering spaces for retreat if needed by both species.

Diet and water parameters

Both platies and guppies need similar water conditions and food. They are livebearers, so a balanced diet is vital for both species. Here’s what you need to consider for their diet and water:

  1. Varied Diet: Offer high-quality fish foods such as flake, pellet, or granules. Include live or frozen options like brine shrimp or bloodworms.
  2. Feeding Frequency: Feed small amounts once or twice a day; give only what they can consume in 2-3 minutes.
  3. Water Temperature: Keep the water temperature between 72-82°F (22-28°C) for both species.
  4. Water Parameters: Maintain clean water with proper pH levels (around 7) using suitable conditioners.

Breeding in the same aquarium

Platies and guppies are livebearing fish, meaning they give birth to live fry rather than laying eggs. When kept together in the same aquarium, these fish can interbreed within their own species but not with each other.

This means that while platies will produce platy offspring and guppies will produce guppy offspring, there may be instances where accidental mating occurs between them, resulting in hybridized offspring that may exhibit deformities.

It’s important for aquarists to be aware of this potential outcome when considering keeping platies and guppies together in the same tank. Providing ample hiding spaces for fry from both species can help manage any unintended breeding behaviors and reduce the chances of hybridization between them.

Potential Challenges with Keeping Platies and Guppies Together

platy fish and guppy swimming in the same aquarium

Platies and guppies may exhibit aggression and competition towards each other, particularly during feeding times or when establishing territory in the tank. However, with proper care and attention to their behavior, these challenges can be managed effectively for a harmonious coexistence.

To learn more about creating a peaceful environment for platies and guppies in the same aquarium, keep reading!

Aggression and competition

Male platy fish may show aggression between themselves, especially when competing for mates. This behavior often involves chasing and nipping at each other as they strive to establish dominance within the aquarium.

Similarly, male guppies can also display aggression, particularly the orange ones vying for superiority. It’s essential to monitor their interactions closely to ensure a harmonious environment.

While not inherently aggressive, both platies and guppies can exhibit competitive behavior, especially when it comes to reproductive activities. Therefore, creating an environment with plenty of hiding spots and visual barriers can help mitigate potential conflicts between these colorful and lively freshwater fish.

Differences in habitat and tank requirements

Platies and guppies have different habitat and tank requirements due to their specific needs. Understanding these differences is crucial for successful cohabitation.

  1. Tank Size: Platies require a minimum tank size of 15 gallons due to their adult size, whereas guppies can thrive in smaller tanks.
  2. Water Parameters: Guppies prefer slightly hard water with a pH range of 7.0-7.8, while platies thrive in alkaline water with a pH of 7.2-8.3.
  3. Temperature: Platies prefer warmer water between 70-80°F, while guppies can tolerate a broader range from 72-82°F.
  4. Filtration: Platies need efficient filtration to maintain clean water, while guppies are more adaptable to varying filtration systems.

Conclusion: Can They Coexist?

In conclusion, platies and guppies can coexist peacefully in the same aquarium. The practical tips provided here ensure a harmonious environment for both species. By implementing these strategies, aquarists can create an efficient setup that promotes the well-being of their fish.

It’s important to recognize the positive impact of maintaining a compatible tank community for platies and guppies. This approach not only fosters a thriving aquatic ecosystem but also enhances the overall enjoyment of freshwater fishkeeping.

Explore further resources and guidance to continue enriching your experience with these fascinating aquatic companions!


1. Can platy fish and guppies live together in one fish tank?

Yes, platy fish and guppies are both peaceful fish from the poeciliidae family. They can share a tank if it has enough space.

2. What do I need to keep platies and guppies healthy together?

Make sure your aquarium has clean water, a good hob filter, an aquarium heater for a warm temperature, and plenty of aquarium plants.

3. Should I feed platies and guppies the same food?

Both platies and guppies enjoy flake foods. You might also give them small bits of vegetables.

4. Do I need special care if swordtails are with my guppies too?

Swordtails can also swim with your guppies but watch out! Sometimes they pick on smaller fish or try to breed with them.

5. If I mix these different types of fishes, how do I stop them from breeding too much?

Manage breeding by separating males from females and using a quarantine tank when needed to control who is where!

6. Who should I ask for more help about mixing these fishes in my tank?

Always talk to a veterinarian who knows about freshwater fishkeeping for extra advice on keeping your mixed aquarium safe.