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Best Fish Fry Box of 2025
Last updated on 30/12/2025
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Breeding Tanks
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1
Fluval Hang-On Breeding Box, Medium, 1.1 Litre
Fluval
Why we love it
Safe and secure breeding.
Space-saving, easy installation.
Protects fish fry effectively.
Main Highlights
Multi-purpose
Safe & secure tank for breeding, isolating or acclimatizing fish
Space-saving design, easily installs on the exterior of the aquarium
Fish fry slip through the v-shaped separator and are safely segregated from adults
Measures 16 cm (6 1/3") wide and holds 1.1 liters of water.
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9.9
Exceptional
Check Price
9.9
Exceptional
Fluval
Fluval Hang-On Breeding Box, Medium, 1.1 Litre
Check Price
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Why we love it
Safe and secure breeding.
Space-saving, easy installation.
Protects fish fry effectively.
Main Highlights
Multi-purpose
Safe & secure tank for breeding, isolating or acclimatizing fish
Space-saving design, easily installs on the exterior of the aquarium
Fish fry slip through the v-shaped separator and are safely segregated from adults
Measures 16 cm (6 1/3") wide and holds 1.1 liters of water.
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Value for Money
2
Uniclife Aquarium Fish Breeding Box Acrylic Hatchery Incubator Tank with Suction Cups Large Isolation Box for Baby Fish Shrimp Betta Guppy and Platy
Uniclife
Why we love it
Improves survival rate of fry.
Isolation for sick fish.
Highly transparent acrylic box.
Main Highlights
Large Hatching Box: With inner size of 17.3 L x 10 W x 10 H(cm), it protects newborn fry from being eaten or attacked, improving the survival rate of newborn fish.
Versatile Uses: 2 removable separators constitute 3 rooms. The bottom is the hatchery for baby fish, and another 2 rooms can be used to isolate aggressive or sick fish.
Floating Design: The balancing panel and 2 handles help keep the box floating in water, it can also be secured inside the tank with 2 suction cups. Space-saving during use.
Acrylic Material: The highly transparent acrylic box allows you to watch the breeding process or fish fighting without any barriers, bringing you with endless enjoyment.
Easy to Use: The incubator can be easily installed or disassembled for cleaning without any tool. And its side vents ensure optimum water flow, requiring no heater or air pump.
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9.9
Exceptional
Check Price
9.9
Exceptional
Uniclife
Uniclife Aquarium Fish Breeding Box Acrylic Hatchery Incubator Tank with Suction Cups Large Isolation Box for Baby Fish Shrimp Betta Guppy and Platy
Check Price
Show More
Why we love it
Improves survival rate of fry.
Isolation for sick fish.
Highly transparent acrylic box.
Main Highlights
Large Hatching Box: With inner size of 17.3 L x 10 W x 10 H(cm), it protects newborn fry from being eaten or attacked, improving the survival rate of newborn fish.
Versatile Uses: 2 removable separators constitute 3 rooms. The bottom is the hatchery for baby fish, and another 2 rooms can be used to isolate aggressive or sick fish.
Floating Design: The balancing panel and 2 handles help keep the box floating in water, it can also be secured inside the tank with 2 suction cups. Space-saving during use.
Acrylic Material: The highly transparent acrylic box allows you to watch the breeding process or fish fighting without any barriers, bringing you with endless enjoyment.
Easy to Use: The incubator can be easily installed or disassembled for cleaning without any tool. And its side vents ensure optimum water flow, requiring no heater or air pump.
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3
WAVE External Fish Hatchery, Large
Amtra
Why we love it
Perfectly designed for fry fish.
Eco-friendly water recycling system.
Compact size fits any space.
Main Highlights
Accessories for aquarium
External nursery for fry fish
Water recycle system
No toxic
17x13x13
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9.7
Exceptional
Check Price
9.7
Exceptional
Amtra
WAVE External Fish Hatchery, Large
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Why we love it
Perfectly designed for fry fish.
Eco-friendly water recycling system.
Compact size fits any space.
Main Highlights
Accessories for aquarium
External nursery for fry fish
Water recycle system
No toxic
17x13x13
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4
Uniclife Aquarium Fish Breeding Box Acrylic Hatchery Incubator Tank with Suction Cups Medium Isolation Box for Baby Fish Shrimp Betta and Guppy
Uniclife
Why we love it
Improves survival rate of fry.
Versatile with removable separators.
Easy installation and disassembly.
Main Highlights
Medium Hatching Box: With inner size of 13.5(L) x 9.5(W) x 9.5(H)cm, it protects newborn fry from being eaten or attacked, improving the survival rate of newborn fish.
Versatile Uses: 2 removable separators constitute 3 rooms. The bottom is the hatchery for baby fish, and another 2 rooms can be used to isolate aggressive or sick fish.
Floating Design: The balancing panel and 2 handles help keep the box floating in water, it can also be secured inside the tank with 2 suction cups. Space-saving during use.
Acrylic Material: The highly transparent acrylic box allows you to watch the breeding process or fish fighting without any barriers, bringing you with endless enjoyment.
Easy to Use: The incubator can be easily installed or disassembled for cleaning without any tool. And its side vents ensure optimum water flow, requiring no heater or air pump.
Show More
9.6
Superb
Check Price
9.6
Superb
Uniclife
Uniclife Aquarium Fish Breeding Box Acrylic Hatchery Incubator Tank with Suction Cups Medium Isolation Box for Baby Fish Shrimp Betta and Guppy
Check Price
Show More
Why we love it
Improves survival rate of fry.
Versatile with removable separators.
Easy installation and disassembly.
Main Highlights
Medium Hatching Box: With inner size of 13.5(L) x 9.5(W) x 9.5(H)cm, it protects newborn fry from being eaten or attacked, improving the survival rate of newborn fish.
Versatile Uses: 2 removable separators constitute 3 rooms. The bottom is the hatchery for baby fish, and another 2 rooms can be used to isolate aggressive or sick fish.
Floating Design: The balancing panel and 2 handles help keep the box floating in water, it can also be secured inside the tank with 2 suction cups. Space-saving during use.
Acrylic Material: The highly transparent acrylic box allows you to watch the breeding process or fish fighting without any barriers, bringing you with endless enjoyment.
Easy to Use: The incubator can be easily installed or disassembled for cleaning without any tool. And its side vents ensure optimum water flow, requiring no heater or air pump.
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5
Pawfly Aquarium Fish Breeding Box Transparent Plastic Breeder Box for Fish Tank Fry Hatchery Incubator Hatching Box for Baby Fish Betta Clownfish Large Isolation Box for Aggressive Fish Guppy
Pawfly
Why we love it
Ideal space for vulnerable fry.
Versatile design for easy isolation.
Robust material allows clear monitoring.
Main Highlights
Large Breeder Box: Size:10 cm L x 7 cm l x 13 cm H. The fish breeding box is an ideal haven for vulnerable fry, and small fish. Effectively protect newborns from being eaten or attacked by other tank mates. Perfect for 38-150 L aquariums
2 Versatile Chambers: The removable funnel-like divider creates up to 2 separate rooms. The upper half can isolate small aggressive or sick fish, and the lower space makes an ideal fry hatchery. Enjoy a peaceful tank with a higher fish survival rate.
Self-Floating Design: The hatching box always stays afloat in the tank. It can also be secured to the tank wall using the 2 attached suction cups. You can fully disassemble it for thorough cleaning and maintenance when needed.
Safe & Reliable: Include a cover with two 1.4 cm holes. It practically prevents fish from jumping out while allowing for easy feeding. And the side vents on the isolation box ensure smooth water flow all the time.
Robust & Clear: Made of strong plastic, the fish breeder won’t warp or crack easily. The high transparency enables you to monitor fish behavior and breeding activities without any barriers, bringing you endless enjoyment.
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9.4
Superb
Check Price
9.4
Superb
Pawfly
Pawfly Aquarium Fish Breeding Box Transparent Plastic Breeder Box for Fish Tank Fry Hatchery Incubator Hatching Box for Baby Fish Betta Clownfish Large Isolation Box for Aggressive Fish Guppy
Check Price
Show More
Why we love it
Ideal space for vulnerable fry.
Versatile design for easy isolation.
Robust material allows clear monitoring.
Main Highlights
Large Breeder Box: Size:10 cm L x 7 cm l x 13 cm H. The fish breeding box is an ideal haven for vulnerable fry, and small fish. Effectively protect newborns from being eaten or attacked by other tank mates. Perfect for 38-150 L aquariums
2 Versatile Chambers: The removable funnel-like divider creates up to 2 separate rooms. The upper half can isolate small aggressive or sick fish, and the lower space makes an ideal fry hatchery. Enjoy a peaceful tank with a higher fish survival rate.
Self-Floating Design: The hatching box always stays afloat in the tank. It can also be secured to the tank wall using the 2 attached suction cups. You can fully disassemble it for thorough cleaning and maintenance when needed.
Safe & Reliable: Include a cover with two 1.4 cm holes. It practically prevents fish from jumping out while allowing for easy feeding. And the side vents on the isolation box ensure smooth water flow all the time.
Robust & Clear: Made of strong plastic, the fish breeder won’t warp or crack easily. The high transparency enables you to monitor fish behavior and breeding activities without any barriers, bringing you endless enjoyment.
Show More
6
Uniclife Aquarium Fish Breeding Box Acrylic Hatchery Incubator Tank with Suction Cups Small Isolation Box for Baby Small Fish Shrimp and Betta
Uniclife
Why we love it
Protects newborn fry effectively.
Prevents box soiling efficiently.
Transparent acrylic for clear view.
Main Highlights
Tiny Hatching Box: With inner size of 10.7 L x 6.9 W x7 H cm, it protects newborn fry from being eaten or attacked. Suitable for feeding tiny fish or shrimp ONLY.
Slotted Bottom Panel: It can effectively prevent soiling of the box by debris, food residues or excrement, and the slim slots in it keep the newborn fish from escaping.
Floating Design: The balancing panel and 2 handles help keep the box floating on water, it can also be secured inside the tank with 2 suction cups. Space-saving during use.
Acrylic Material: The highly transparent acrylic box allows you to watch the breeding process or fish fighting without any barriers, bringing you with endless enjoyment.
Easy to Use: The incubator can be easily installed or disassembled for cleaning without any tool. And its side vents ensure optimum water flow, requiring no heater or air pump.
Show More
9.4
Superb
Check Price
9.4
Superb
Uniclife
Uniclife Aquarium Fish Breeding Box Acrylic Hatchery Incubator Tank with Suction Cups Small Isolation Box for Baby Small Fish Shrimp and Betta
Check Price
Show More
Why we love it
Protects newborn fry effectively.
Prevents box soiling efficiently.
Transparent acrylic for clear view.
Main Highlights
Tiny Hatching Box: With inner size of 10.7 L x 6.9 W x7 H cm, it protects newborn fry from being eaten or attacked. Suitable for feeding tiny fish or shrimp ONLY.
Slotted Bottom Panel: It can effectively prevent soiling of the box by debris, food residues or excrement, and the slim slots in it keep the newborn fish from escaping.
Floating Design: The balancing panel and 2 handles help keep the box floating on water, it can also be secured inside the tank with 2 suction cups. Space-saving during use.
Acrylic Material: The highly transparent acrylic box allows you to watch the breeding process or fish fighting without any barriers, bringing you with endless enjoyment.
Easy to Use: The incubator can be easily installed or disassembled for cleaning without any tool. And its side vents ensure optimum water flow, requiring no heater or air pump.
Show More
7
1Pcs Fish Breeding Box Aquarium with Suction Cups, Small Fry Hatchery Net Fish Nursery Isolation Box, Incubator Boxes for Baby Fishes Guppy Shrimp(26 * 15 * 15cm) (Large)
IRYNA
Why we love it
Provides safe environment for fish.
Ensures water circulation effectively.
Durable, non-toxic, and odorless.
Main Highlights
Fish breeding box aquarium isolates a safe environment for pregnant fish, injured fish, sick fish, small fish, newly bought fish, shrimp, etc, preventing fish from being tracked and bitten by aboriginal fish.
Aquarium fish breeding box is composed of soft polyester fine mesh and plastic frame, which provides a safe and comfortable space for the newly born small fish, not only protect the small fish, but also ensure the water circulation.
Fish hatchery isolation box has 6 suction cups, convenient to fix and move. Floating design that can be hang on anywhere, it does not sink and easy to clean.
Large space: 26*15*15cm, odorless, non-toxic, durable, harmless to fish or shrimp. Even if it is placed in water for a long time, it will not age or deform.
Your purchase will be fully protected when you order today, if you are not satisfied with our fish breeding box, we are online 24 hours a day.
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9.4
Superb
Check Price
9.4
Superb
IRYNA
1Pcs Fish Breeding Box Aquarium with Suction Cups, Small Fry Hatchery Net Fish Nursery Isolation Box, Incubator Boxes for Baby Fishes Guppy Shrimp(26 * 15 * 15cm) (Large)
Check Price
Show More
Why we love it
Provides safe environment for fish.
Ensures water circulation effectively.
Durable, non-toxic, and odorless.
Main Highlights
Fish breeding box aquarium isolates a safe environment for pregnant fish, injured fish, sick fish, small fish, newly bought fish, shrimp, etc, preventing fish from being tracked and bitten by aboriginal fish.
Aquarium fish breeding box is composed of soft polyester fine mesh and plastic frame, which provides a safe and comfortable space for the newly born small fish, not only protect the small fish, but also ensure the water circulation.
Fish hatchery isolation box has 6 suction cups, convenient to fix and move. Floating design that can be hang on anywhere, it does not sink and easy to clean.
Large space: 26*15*15cm, odorless, non-toxic, durable, harmless to fish or shrimp. Even if it is placed in water for a long time, it will not age or deform.
Your purchase will be fully protected when you order today, if you are not satisfied with our fish breeding box, we are online 24 hours a day.
Show More
8
Aquarium Fish Breeding Box, Fry Separator for Tank, Transparent Plastic Small Isolation Box for Baby Fishes, Shrimp, Clownfish, Guppy
XINXINGDINGSHENG
Why we love it
Compact and protective design.
Clear visibility for monitoring.
Versatile isolation for fish.
Main Highlights
【Compact & Protective Nursery Box 】Measuring 8cm(L) x 7cm(W) x 10cm(H), this breeder box offers a safe sanctuary for vulnerable fry, baby shrimp, and small fish like guppies. It effectively protects newborns from being eaten or bullied by larger tank mates, greatly improving survival rates.
【Clear & Safe Plastic Construction】Crafted from non-toxic, transparent plastic, this box provides a secure environment for breeding, isolating, or acclimating fish. The crystal-clear walls allow you to easily monitor the health and activity of baby fish or recovering inhabitants.
【Two Versatile Isolation Chambers】Features a removable divider to create two separate compartments. Use the upper section to isolate aggressive or sick fish, while the lower chamber serves as a protected hatchery for eggs and fry, helping maintain harmony in your aquarium.
【Space-Saving Floating Design】Equipped with suction cups for easy attachment to your tank's glass wall. The floating design and compact form factor minimise space usage, while the slatted bottom allows water flow to prevent waste buildup and maintain water quality.
【Ideal for Breeding, Isolation & Recovery】Perfect for creating a safe maternity area for pregnant fish, a quarantine space for sick or injured specimens, or a protected nursery for fry. This versatile box helps to promote higher survival rates in a controlled environment.
Show More
9.3
Superb
Check Price
9.3
Superb
XINXINGDINGSHENG
Aquarium Fish Breeding Box, Fry Separator for Tank, Transparent Plastic Small Isolation Box for Baby Fishes, Shrimp, Clownfish, Guppy
Check Price
Show More
Why we love it
Compact and protective design.
Clear visibility for monitoring.
Versatile isolation for fish.
Main Highlights
【Compact & Protective Nursery Box 】Measuring 8cm(L) x 7cm(W) x 10cm(H), this breeder box offers a safe sanctuary for vulnerable fry, baby shrimp, and small fish like guppies. It effectively protects newborns from being eaten or bullied by larger tank mates, greatly improving survival rates.
【Clear & Safe Plastic Construction】Crafted from non-toxic, transparent plastic, this box provides a secure environment for breeding, isolating, or acclimating fish. The crystal-clear walls allow you to easily monitor the health and activity of baby fish or recovering inhabitants.
【Two Versatile Isolation Chambers】Features a removable divider to create two separate compartments. Use the upper section to isolate aggressive or sick fish, while the lower chamber serves as a protected hatchery for eggs and fry, helping maintain harmony in your aquarium.
【Space-Saving Floating Design】Equipped with suction cups for easy attachment to your tank's glass wall. The floating design and compact form factor minimise space usage, while the slatted bottom allows water flow to prevent waste buildup and maintain water quality.
【Ideal for Breeding, Isolation & Recovery】Perfect for creating a safe maternity area for pregnant fish, a quarantine space for sick or injured specimens, or a protected nursery for fry. This versatile box helps to promote higher survival rates in a controlled environment.
Show More
9
Breeder Box for Fish Tank, Aquarium Breeder Box Plastic Floating Baby Fish Separator for Aquarium Transparent Hatchery Isolation Incubator for Shrimp Betta Clownfish Guppy
Zyghjort
Why we love it
Compact size fits small tanks.
Two compartments increase survival rate.
Floating design offers easy adjustment.
Main Highlights
【Compact Size】The fish breeder box for aquarium measures 12.3 x 8.5 cm (4.8 x 3.3 inches) and is suitable for small to medium-sized fish tanks, suitable for shrimp, bettas, guppies, clownfish, swordtails and other small aquatic species
【Practical Function】The fish breeding box features two separate compartments, providing a safe space for fish to lay eggs and raise their young. This design helps protect newborn fish from predation or attack, increasing their survival rate
【Unique Mesh Design】The upper plastic mesh has larger holes, allowing the fry to easily fall into the protective compartment below, and the bottom uses a fine nylon mesh to ensure smooth water flow while firmly containing the fish
【Floating Design】This breeding box for fish tank does not require a suction cup. Two lightweight foam rings make the breeding box float on the water. You can adjust the depth of the breeding box by moving the foam rings
【Versatile Use】In addition to breeding, this fish tank separator can also be used as a separator to separate more aggressive fish. It can also provide a safe haven for weak or injured fish
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9.1
Superb
Check Price
9.1
Superb
Zyghjort
Breeder Box for Fish Tank, Aquarium Breeder Box Plastic Floating Baby Fish Separator for Aquarium Transparent Hatchery Isolation Incubator for Shrimp Betta Clownfish Guppy
Check Price
Show More
Why we love it
Compact size fits small tanks.
Two compartments increase survival rate.
Floating design offers easy adjustment.
Main Highlights
【Compact Size】The fish breeder box for aquarium measures 12.3 x 8.5 cm (4.8 x 3.3 inches) and is suitable for small to medium-sized fish tanks, suitable for shrimp, bettas, guppies, clownfish, swordtails and other small aquatic species
【Practical Function】The fish breeding box features two separate compartments, providing a safe space for fish to lay eggs and raise their young. This design helps protect newborn fish from predation or attack, increasing their survival rate
【Unique Mesh Design】The upper plastic mesh has larger holes, allowing the fry to easily fall into the protective compartment below, and the bottom uses a fine nylon mesh to ensure smooth water flow while firmly containing the fish
【Floating Design】This breeding box for fish tank does not require a suction cup. Two lightweight foam rings make the breeding box float on the water. You can adjust the depth of the breeding box by moving the foam rings
【Versatile Use】In addition to breeding, this fish tank separator can also be used as a separator to separate more aggressive fish. It can also provide a safe haven for weak or injured fish
Show More
10
Breeding Box for Fish Tank, 10 * 8 * 7cm Transparent Plastic Fish Breeding Box, Small Fish Tank Divider for Fry Protection, Isolating Aggressive Fish
RJFUJP
Why we love it
Safe space for vulnerable fry.
Easy monitoring of fish behavior.
Durable and practical design.
Main Highlights
Fish Breeding Box: Designed for aquarium hobbyists and fish breeders, this breeding box for fish tank provides a safe space for fry protection and isolating aggressive fish; The clear plastic material allows easy monitoring of fish behavior without disturbing their environment
Practical Design: This plastic fish tank accessory offers a practical solution for managing fish populations; Use it to create separate zones within your aquarium for breeding, isolation, or observation purposes
Easy Maintenance: The simple design allows for quick cleaning and reassembly; Thebreeding box for fish tank feature smooth edges to prevent injury to delicate fry and small aquatic creatures
Durable Construction: Made from sturdy plastic, this baby fish separator for tank maintains its shape and clarity over time; The 10*8*7 cm size fits most standard aquariums while providing ample space for small fish
Versatile Use: Ideal for breeding projects, temporary quarantine, and monitoring fish behavior; The small fish tank divider helps increase survival rates by separating vulnerable fry from larger tank mates
Show More
9.0
Superb
Check Price
9.0
Superb
RJFUJP
Breeding Box for Fish Tank, 10 * 8 * 7cm Transparent Plastic Fish Breeding Box, Small Fish Tank Divider for Fry Protection, Isolating Aggressive Fish
Check Price
Show More
Why we love it
Safe space for vulnerable fry.
Easy monitoring of fish behavior.
Durable and practical design.
Main Highlights
Fish Breeding Box: Designed for aquarium hobbyists and fish breeders, this breeding box for fish tank provides a safe space for fry protection and isolating aggressive fish; The clear plastic material allows easy monitoring of fish behavior without disturbing their environment
Practical Design: This plastic fish tank accessory offers a practical solution for managing fish populations; Use it to create separate zones within your aquarium for breeding, isolation, or observation purposes
Easy Maintenance: The simple design allows for quick cleaning and reassembly; Thebreeding box for fish tank feature smooth edges to prevent injury to delicate fry and small aquatic creatures
Durable Construction: Made from sturdy plastic, this baby fish separator for tank maintains its shape and clarity over time; The 10*8*7 cm size fits most standard aquariums while providing ample space for small fish
Versatile Use: Ideal for breeding projects, temporary quarantine, and monitoring fish behavior; The small fish tank divider helps increase survival rates by separating vulnerable fry from larger tank mates
Show More
