Editor's Choice - Our Favorite Marina Fish Breeding Tanks

1. Marina Hang-On Breeding Box

User Ratings: 73 4

Marina 10942 First Impressions

"Hope this is helpful."

This product is excellent, works fabulously. I am using several to sort through some fish I am breeding. I also like to put in a bowl with acclimating. Perfect for holding my guppy babies. We have 12 babies swimming around in our tank at the moment. They are now all back together, living as peaceably as fish can. I feel like this breeder box is sturdier than some others that I've used.

  • Marina Hang-On Breeding Box
  • Safe & secure tank for breeding, isolating or acclimating fish
  • Multi-purpose use
  • Space saving design
  • Hangs on the outside of the aquarium
  • 0.3 gallons
  • Multi-PurposeS
  • afe & secure tank for breeding, isolating or acclimatizing fish or shrimpS
  • pace-saving design, easily installs on the exterior of the aquarium U
  • Manufacture: Marina
  • Product Dimensions: 5.2 x 6.8 x 5.3 inches; 8.96 Ounces
  • Editor's Impressions Of The Marina 10942
  • Quality
  • Value For Money
  • Affordability

Marina 10942 Final Thoughts

"Works like a charm."

We had 2 pregnant fish in seperate halves with them seperated. I have noticed that with all they pieces in that food does not exit the bottom half. I got the medium and it's mostly the width of a 10 gallon tank. The breeder box has a decent size for isolating fish or dwarf shrimp. I have both the small and larger version. I feel like this breeder box is sturdier than some others that I've used. I also like that it goes in to the tank and not a hang on the outside type.

Overall Score
4.5


(1982 Points)

2. WEAVERBIRD Fish Breeder Box Acrylic Aquarium Isolation Hatchery Feeding Boxes White for Small Baby F...

WEAVERBIRD First Impressions

"I recommend this box."

With everything out the tank seems to stay really clean. We picked this up to use as a secondary QT box for our reef tank. I own 7 of these isolation, breeding tanks. When I came across this one that showed the actual inner dimensions, I was impressed. The dividers only work with the fry drop in place. We did have some get stuck in the edge of the partition. Not as sturdy as I thought but perfect for what I wanted.

  • WEAVERBIRD Fish Breeder Box Acrylic Aquarium Isolation Hatchery Feeding Boxes White for Small Baby Fishes Shrimp Clown Fish
  • Material: The fish breeder box made of quality crystal,also it is easy to see your baby fish.
  • Fish breeder box: ideal as maturation tank for fry, or isolation tank for aggressive or injured fish.
  • Self-floating design: 2-layer combination does not occupy space;unique floating and transparent plastic cover designed to prevent the fish out of the isolation room to protect the newborn fish.
  • Multifunction: This breeder box is safe and reliable for breeding, isolating or acclimating fish, can reduce danger from aggressive fishes, protect injured fish, small fish, shrimp, and other clownfish.
  • Easy to Feed: There is no need to open the lid for feeding and there is a feeding hole at the top. with suction cup design, simple attach it on the wall of your fish tank.
  • Manufacture: WEAVERBIRD
  • Editor's Impressions Of The WEAVERBIRD
  • Quality
  • Value For Money
  • Affordability

WEAVERBIRD Final Thoughts

"So adorable."

Worked well, water and air flow is minimum due to slots being very thin. I have noticed that with all they pieces in that food does not exit the bottom half. Both are designed for free floating. I've used several other floating breeders, and have always wished they were larger. When I came across this one that showed the actual inner dimensions, I was impressed. With everything out the tank seems to stay really clean. Took me a little while to figure it out but it worked for me.

Overall Score
5.0


(4 Points)

3. Maxmartt Brine Shrimp Eggs, brine Shrimp hatcher,Incubator Incubator Hatchery Artemia Aquarium

User Ratings: 51 11

Maxmartt First Impressions

"This is not a small box."

It comes with 2 removable dividers and a removable fry drop slotted piece. With the fry drop removed you get a really nice size little tank. With everything out the tank seems to stay really clean. Easily accommodates two Molly's, swords or platy fish. Hope you found this review helpful! This product is excellent, works fabulously. We had 2 pregnant fish in seperate halves with them seperated.

  • Maxmartt Brine Shrimp Eggs, brine Shrimp hatcher,Incubator Incubator Hatchery Artemia Aquarium
  • Made of high quality materials, non-toxic and durable.
  • Suitable for hatching various dried frozen shrimp eggs, with professional design and good hatching.
  • Durable, high strength and excellent aquarium. Simple, practical, easy to hatch shrimp to feed fish.
  • Connected to the air pump, eggs can hatch in 36-48 hours.
  • Height: 27.5cm / 10.83in Outer diameter: 5cm / 1.97in Thickness: 0.2cm / 0.08in.
  • Manufacture: Maxmartt
  • Editor's Impressions Of The Maxmartt
  • Quality
  • Value For Money
  • Affordability

Maxmartt Final Thoughts

"Very satisfied."

No more babies swimming back up the cracks and getten eaten by mom. The lid doesn't lock in place too snugly which make it easy to open. My husband got me a few guppies that apparently had been pregnant. 5 gallon, but he was struggling to swim. Much easier to use and install than those tank partitions. I will update after the babies are born but so far this is great. I have two female Bettas and a Pleco in a filtered, heated 15-gallon tank.

Overall Score
3.9


(13 Points)

4. Cobalt Aquatics Cichlid Hut Breeding Cave, X-Large (45122)

User Ratings: 68 17

Cobalt Aquatics 45122 First Impressions

"It's all very exciting."

Hope you found this review helpful! We need to do mare to make sure bettas are treated better in pet stores, though. This works better at protecting babies from mom than the one room nets. The suction cups hold well, and it has floating handle chambers as a backup. Lets in just enough new water to keep it clean, but not too much to have a current. He had room to still swim around and I didn't feel too guilty. I have two female Bettas and a Pleco in a filtered, heated 15-gallon tank.

  • Cobalt Aquatics Cichlid Hut Breeding Cave, X-Large (45122)
  • Perfectly sized and shaped for spawning fish
  • Safe and chemically inert
  • Also great for nocturnal or shy fish
  • Package Dimension: 6.5"L x 6.5"W x 2.75"H
  • Age range description: All Life Stages
  • Manufacture: Cobalt International Inc.
  • Product Dimensions: 6.5 x 6.5 x 2.75 inches; 4.8 Ounces
  • Editor's Impressions Of The Cobalt Aquatics 45122
  • Quality
  • Value For Money
  • Affordability

Cobalt Aquatics 45122 Final Thoughts

"Easy to install."

The lid doesn't lock in place too snugly which make it easy to open. With everything out the tank seems to stay really clean. I also like to put in a bowl with acclimating. It is large enough for fish bigger than guppies. That way the water still flows nicely in where mom is. I had a 2 pregnant guppies and bought this for them. I left it out and the babies were sneaking out through that hole.

Overall Score
4.2


(6 Points)

5. Trixie 8049 Multi-plus Breeding Container 20 × 10 × 10cm

User Ratings: 56 7

Trixie 8049 First Impressions

"He's happy, so I'm happy."

I'll put the bag from the pet shop in it and cut it open. He's happy just sitting on his plant blowing bubbles. 5 gallon, but he was struggling to swim. If you have a smaller tank, the Lee's may be the better choice. With the fry drop removed you get a really nice size little tank. I left it out and the babies were sneaking out through that hole. My husband got me a few guppies that apparently had been pregnant.

  • Trixie 8049 Multi-plus Breeding Container 20 × 10 × 10cm
  • Plastic fish hatchery, suitable for viviparous and spawning fish
  • For spawning and raising young fish in the aquarium
  • Versatile due to 5 chamber system
  • Side and bottom vents ensure optimum water circulation
  • For hooking into normal tank or breeding tank, lid prevents jumping out
  • Manufacture: EFNT4
  • Product Dimensions: 8.11 x 4.41 x 4.41 inches; 11.29 Ounces
  • Editor's Impressions Of The Trixie 8049
  • Quality
  • Value For Money
  • Affordability

Trixie 8049 Final Thoughts

"Great product."

I feel like this breeder box is sturdier than some others that I've used. I left it out and the babies were sneaking out through that hole. I really like that it has suction cups, and is very sturdy on the glass. I will definitely buy these kind of breeder again. I never knew how important this was until tank cleaning time! With everything out the tank seems to stay really clean. The funnel tray is placed too high within the box.

Overall Score
4.1


(295 Points)

6. Aquarium Fish Tank Double Breeding Incubator Breeder Isolation Box Hatchery

User Ratings: 38 21

Generic First Impressions

"I liked this breeder box."

I put three pregnant females in the box immediately. I had a 2 pregnant guppies and bought this for them. The baby fish were able to swim from the bottom back to the time in the corners. I don't see how they send used stuff out as new! 5 gallon, but he was struggling to swim. I got this so I can just put him in our 20-gallon hex with the angelfish. We have 12 babies swimming around in our tank at the moment.

  • Aquarium Fish Tank Double Breeding Incubator Breeder Isolation Box Hatchery
  • his product is made of high quality transparent plastic, durable. Transparent plastic box without any barrier, allowing you to observe.
  • Unique floating and transparent plastic cover designed to prevent the fish out of the isolation room to protect the newborn fish. It is ideal to be sick fish in fish and isolation space
  • With sucker, anywhere convenient fixed in the tank
  • Manufacture: Generic
  • Editor's Impressions Of The Generic
  • Quality
  • Value For Money
  • Affordability

Generic Final Thoughts

"Great product."

This product is excellent, works fabulously. We need to do mare to make sure bettas are treated better in pet stores, though. The suction cups were adequate and held the breeder on to the glass fairly well. In the picture, the Petzilla Aquarium Fish Breeder box is on the right. One of them does not because you're supposed to add some sort of water rain bar. Not sure why some people are complaining the the separating tray floats. I'm using it as a nursery for baby guppies.

Overall Score
3.3


(10 Points)

7. Petyoung Brine Shrimp Eggs Hatcher Incubator Hatchery Artemia Eggs Hatchery Kit DIY Aquarium Fish Ta...

User Ratings: 72

Petyoung 1318611/120337AM16UK2AQW First Impressions

"Very light!"

We caught momma the day before she had them and removed her after. I will definitely buy these kind of breeder again. The tube for the bubbler is a nice touch. The suction cups were adequate and held the breeder on to the glass fairly well. There are slats in the bottom for the babies to escape to, to keep from being eaten. I personally use these to introduce smaller fish into my community tanks. I really liked the fact I could add an airline for water flow.

  • Petyoung Brine Shrimp Eggs Hatcher Incubator Hatchery Artemia Eggs Hatchery Kit DIY Aquarium Fish Tank Hatch Tool
  • Connect with air pump, eggs can be hatched within 36-48 hours
  • Suitable for hatching all dry frozen shrimp eggs
  • Simple, practical, convenient to hatch shrimp for feeding fish.
  • Can be directly into the harvest shrimp eggs, sea salt and water
  • Made of premium material, non-toxic and durable.
  • Manufacture: Petyoung
  • Product Dimensions: 11.81 x 3.15 x 3.15 inches; 10.02 Ounces
  • Editor's Impressions Of The Petyoung 1318611/120337AM16UK2AQW
  • Quality
  • Value For Money
  • Affordability

Petyoung 1318611/120337AM16UK2AQW Final Thoughts

"This is it."

It comes with 2 removable dividers and a removable fry drop slotted piece. The Petzilla and Lee's make observations easier. Each of the four corners I thought had a cap. Both are designed for free floating. I highly recommend this product, simple and easy to use! For me, the geatest feature is that it floats and floats evenly. The little air tube connection on the side is a nice addition too.

Overall Score
4.6


(9 Points)

8. Timiy Aquarium Fish Breeder Box Set Nylon Net Isolation Box Breeder for Tank,Green

User Ratings: 50 5

Timiy First Impressions

"This product works great!"

There's only one issue with this unit. With the fry drop removed you get a really nice size little tank. We need to do mare to make sure bettas are treated better in pet stores, though. There's only one issue with this unit. I highly recommend this product, simple and easy to use! I have both the small and larger version. The plastic is much thicker than the last box I bought for the same price.

  • Timiy Aquarium Fish Breeder Box Set Nylon Net Isolation Box Breeder for Tank,Green
  • It consists of a soft nylon mesh and a plastic frame
  • The included suction cup can be easily attached to the top of the aquarium
  • Safely separate the new fry from other fish and increase the survival rate of the juvenile
  • Divided into two spaces, it is easy to install and meets all your aquatic needs, regardless of size
  • It can be used as a spawning box for viviparous fish to isolate injured or aggressive fish or shrimp
  • Manufacture: Timiy
  • Editor's Impressions Of The Timiy
  • Quality
  • Value For Money
  • Affordability

Timiy Final Thoughts

"Over all pretty good."

It's a decent size for an internal breeder box. Lets in just enough new water to keep it clean, but not too much to have a current. There are slats in the bottom for the babies to escape to, to keep from being eaten. With the fry drop in you have plenty of room for temporarily keeping the females. I have used other breeder boxes and like this one the best. I can home one day and one was dead and all torn up from the sides. It comes with 2 removable dividers and a removable fry drop slotted piece.

Overall Score
4.2


(31 Points)

9. Petyoung Brine Shrimp Eggs Hatcher Incubator Hatchery Artemia Eggs Hatchery Kit DIY Aquarium Fish Ta...

User Ratings: 72

Petyoung 1318611/120337AM16UK2AQW First Impressions

"I really like it."

We need to do mare to make sure bettas are treated better in pet stores, though. She doesn't seem very stressed, honestly, and likes to nap in the V's. We have 12 babies swimming around in our tank at the moment. Apparently my purple Betta, Dragonfruit, did not get the memo. We need to do mare to make sure bettas are treated better in pet stores, though. We have 12 babies swimming around in our tank at the moment. Kind of a pain to remove the lid and feed the fry.

  • Petyoung Brine Shrimp Eggs Hatcher Incubator Hatchery Artemia Eggs Hatchery Kit DIY Aquarium Fish Tank Hatch Tool
  • Connect with air pump, eggs can be hatched within 36-48 hours
  • Suitable for hatching all dry frozen shrimp eggs
  • Simple, practical, convenient to hatch shrimp for feeding fish.
  • Can be directly into the harvest shrimp eggs, sea salt and water
  • Made of premium material, non-toxic and durable.
  • Manufacture: Petyoung
  • Product Dimensions: 11.81 x 3.15 x 3.15 inches; 10.02 Ounces
  • Editor's Impressions Of The Petyoung 1318611/120337AM16UK2AQW
  • Quality
  • Value For Money
  • Affordability

Petyoung 1318611/120337AM16UK2AQW Final Thoughts

"Great item!"

Petzilla is larger in size which reduces crowding as the babies grow. Guppy fry didn't escape and they look happy. I will update after the babies are born but so far this is great. No trying to get mom back out while trying to keep babies in. You have to be really careful with shrimp or they die. I'm using it as a nursery for baby guppies. The funnel tray is placed too high within the box.

Overall Score
4.6


(9 Points)

10. Ultum Nature Systems 60U Rimless Tank

User Ratings: 34 35

Ultum Nature Systems 45U First Impressions

"It is perfect!"

Took me a little while to figure it out but it worked for me. The funnel tray is placed too high within the box. Definitely worth buying if you need to separate fish for any reason. It's a decent size for an internal breeder box. Easily accommodates two Molly's, swords or platy fish. So overall, this is a functioning product with little issues. We picked this up to use as a secondary QT box for our reef tank.

  • Ultum Nature Systems 60U Rimless Tank
  • 91% clarity with diamante glass
  • High quality German silicon
  • Includes black Nano foam leveling mat
  • 17.71x11.02x11.02" 9.3 gallons
  • Manufacture: Ultum Nature Systems
  • Product Dimensions: 17.71 x 11.02 x 11.02 inches; 16 Pounds
  • Editor's Impressions Of The Ultum Nature Systems 45U
  • Quality
  • Value For Money
  • Affordability

Ultum Nature Systems 45U Final Thoughts

"Awesome product."

I have safe little fry and more to come! We caught momma the day before she had them and removed her after. No more babies swimming back up the cracks and getten eaten by mom. I'll put the bag from the pet shop in it and cut it open. I will definitely buy these kind of breeder again. I own 7 of these isolation, breeding tanks. Good quality and easy to take apart.

Overall Score
3.3


(7 Points)

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