5 Best Breeding Box for Guppies

As an avid guppy enthusiast, I’ve spent countless hours searching for the perfect breeding box to ensure my guppy friends have the safest and most comfortable environment to bring their little ones into the world.

best breeding box

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In this article, I’ll share my top picks for the best breeding boxes for guppies, diving into their features, benefits, and my personal experiences using them. So, let’s embark on this journey together and discover the ideal breeding haven for your beloved guppies!

Best Breeding Box for Guppy Fish

Let’s dive into the realm of guppy breeding boxes and explore the top contenders on the market. These are selected based on their efficiency, ease of use, and overall contribution to successful guppy breeding. After various experiments, I present to you a curated list of the best breeding boxes for guppies:

Fluval Multi-Chamber Holding and Breeding Box

The Fluval Multi-Chamber Holding and Breeding Box is an outstanding space-saving solution for breeding, isolating, or acclimatizing guppy fish.

With its easy installation and compatibility with most aquariums, you’ll enjoy up to three separate compartments tailored to your needs.

The same conditioned water from your main aquarium circulates through the box, eliminating the need for additional heaters or filters.

Observe and maintain your fish easily as this versatile unit hangs conveniently on the aquarium’s exterior. A must-have for any fish enthusiast!


  • Space-saving design
  • Compatible with most aquariums
  • Up to three separate compartments
  • Uses aquarium’s conditioned water
  • Suitable for fresh and saltwater


  • Air pump and airline tubing sold separately


Petzilla Aquarium Breeding Box

The Petzilla Aquarium Breeding Box is a game-changer for fish breeders. Its high-quality acrylic design creates a safe haven for baby guppy fish, significantly improving their survival rate.

Not only is it perfect for egg-laying fishes like bettas and peacocks, but it’s also an ideal solution for isolating aggressive or injured fish, shrimp, and clownfish.

The self-floating and adherent hang-on design allows for easy installation, while its unique dual-layer space-saving combination ensures optimal use of space.

With the option to connect an air pump, Petzilla proves to be a well-thought-out product that stands out from the competition.


  • High-quality acrylic material
  • Protects baby fish and improves survival rate
  • Versatile use: isolation and breeding
  • Space-saving design with multiple size options
  • Detachable dual-V-shape center partition


  • Cleaning may require pouring water through the top


Lee’s Net Breeder

Lee’s Net Breeder is a must-have for any aquarium enthusiast. This multi-purpose container effectively separates guppy fry from other fish, while also isolating injured or aggressive fish.

The fine nylon mesh net ensures optimum water flow and keeps even the tiniest creatures secure.


  • Optimum water flow
  • Safely separates fry
  • Isolates injured/aggressive fish
  • Easy to assemble
  • Affordable


  • Flimsy construction
  • Inadequate hooks for some tanks

Although Lee’s Net Breeder has some minor drawbacks, its benefits outweigh them. Users have praised its effectiveness in saving their baby guppies, isolating freshwater shrimp, and raising angelfish fry.

Make sure to adapt the hooks to your tank if needed, and enjoy the ease of use and protection this net breeder offers.


Capetsma Fish Breeding Box

Experience a stress-free breeding environment with the Capetsma Fish Breeding Box, designed to ensure the safety and effectiveness of your guppy fish.

Crafted with high-quality cell cast crystal acrylic, this compact space-saving gem provides secure isolation for pregnant fish and newborn fry, ensuring their protection and improving their survival rate.

Be impressed by its versatile functionality, allowing you to separate aggressive fish, protect injured ones, or acclimate new members into the tank.

Fitted with reliable suction cups and a self-floating feature, this breeding box stays securely in place while maintaining excellent water flow.


  • High-quality materials
  • Safe and secure isolation
  • Space-saving design
  • Versatile functionality
  • Strong suction cups


  • Assembly may be challenging for some users

Though some users find the assembly a bit tricky, the Capetsma Fish Breeding Box proves to be a valuable investment for any aquarium hobbyist.


ATPWONZ Fish Breeding Box

The versatile ATPWONZ Fish Breeding Box is the perfect solution for both first-time and seasoned guppy breeders.

This transparent acrylic box provides safety and clear visibility for observing your precious fish. Featuring three isolated rooms, it ensures protection for pregnant fish, their eggs, and newborn fry, maximizing survival rates.

The ATPWONZ Breeding Box doubles as a hatchery, shielding vulnerable fish from potential aggressors.

Installation is a breeze with the adjustable suction cups and hanging hooks, allowing for perfect placement in your aquarium. Remember to remove the protective film before first use!


  • Durable and transparent acrylic material
  • Three isolated rooms for optimal fish care
  • Easy installation with adjustable height
  • Works as both breeding box and hatchery
  • Compatible with various fish species


  • May take up some space in smaller aquariums

This ATPWONZ Fish Breeding Box is a must-have for every aquarist, providing the ideal environment for your fish to breed and thrive.

Selecting the best breeding box for your guppies is crucial if you want to create a safe and healthy environment for them to thrive.

From my personal experience, the breeding boxes listed above are exceptional options that cater to various needs and preferences. Make an informed decision, and you’ll undoubtedly foster a successful guppy breeding experience.

Benefits of Using a Breeding Box for Guppies

A breeding box is not just a mere accessory for your aquarium; it plays a vital role in the reproductive journey of your guppies. If you are still unsure about whether to invest in a breeding box, let me share some of the remarkable benefits I’ve experienced firsthand:

  • Safety for the fry: The primary and most crucial benefit of using a breeding box is providing a safe haven for guppy fry. Adult guppies, especially males, can sometimes prey on their own offspring. A breeding box creates a barrier that separates the vulnerable fry from potential predators.
  • Stress-free environment: A breeding box creates a secluded and peaceful environment for pregnant guppies, reducing stress levels during delivery. The calm setting also allows the fry to grow and develop without being disturbed by other tank mates.
  • Better survival rate: By confining the fry in a breeding box, their chances of survival increase significantly. They are provided with adequate space, nutrition, and protection, thereby ensuring a higher survival rate and faster growth.
  • Easy monitoring: With a breeding box, monitoring the progress of your pregnant guppies and the growth of fry becomes incredibly simple. You can observe their development, watch for signs of illness, and monitor their interaction with the environment.
  • Controlled breeding: Breeding boxes provide a controlled environment for your guppies, allowing you to manage their reproduction strategically. It helps prevent overcrowding in your aquarium, ensuring a healthy habitat for all its inhabitants.
  • Water quality maintenance: By separating the adult guppies from their fry, breeding boxes help maintain the water quality in your main aquarium. This isolation prevents waste and food consumption from skyrocketing, thus keeping the water parameters in check.

The numerous benefits offered by a breeding box make it an indispensable addition to any guppy breeding endeavor. From providing protection to the fry to maintaining a healthy aquarium environment, a breeding box is truly a game-changer for guppy enthusiasts like myself.

Breeding Box Alternatives – Other Ways to Save Guppy Fry

While breeding boxes are highly efficient and offer numerous benefits, there are a few alternatives that guppy enthusiasts can explore to provide safety and protection to guppy fry.

If you prefer not to use a breeding box or wish to experiment with other techniques, consider the following options:

  • Densely Planted Tank: Creating a heavily planted environment in your aquarium can serve as a natural refuge for guppy fry. Dense plant growth, such as java moss, hornwort, or water sprite, provides ample hiding spots for the fry, making it harder for adult fish to seek them out as prey.
  • Spawning Mops: Spawning mops, typically made from yarn or nylon, offer a handy alternative to breeding boxes. By providing a tangled structure, spawning mops give the guppy fry a place to hide and rest, improving their chances of evading predators.
  • Separate Fry Tank: A separate fry tank or nursery tank is another viable option to protect guppy fry. By setting up a designated tank solely for the fry, you can ensure their safety, provide proper nutrition, and monitor their growth closely without affecting your main aquarium’s balance.
  • Floating Plants: Introducing floating plants like duckweed or frogbit can provide the guppy fry additional cover to escape predatory adult fish. These plants form a natural canopy on the water’s surface, offering an overhead hiding space for the fry.
  • Cave-like Decorations: Incorporating cave-like decorations, such as terra cotta pots or aquarium-safe rocks, can provide additional hiding spots for guppy fry. These decor elements not only enhance the aesthetic appeal of your aquarium but also contribute to the safety and well-being of the fry.

While breeding boxes have proven to be exceptional tools for ensuring the safety and growth of guppy fry, more unconventional methods, such as densely planted tanks or separate fry tanks, can provide viable alternatives. Regardless of the technique you choose, the ultimate goal is to create a secure and nurturing environment for your treasured guppy fry.


Finding the best breeding box for guppies can be a challenging yet rewarding journey, as it ensures the protection and well-being of your precious fry.

With options such I showed you in this article, you can confidently make an informed choice that caters to your preferences and requirements.

Additionally, exploring alternative methods such as densely planted tanks or spawning mops can also help safeguard the guppy fry. Ultimately, the key is to create a nurturing and secure environment for your guppies to thrive and expand their beautiful brood. Happy breeding!

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