Editor's Choice - Our Favorite Saim Fish Breeding Tanks

1. Saim Breeder Tank, Aqua Nursery Automatic Circulating Hatchery Aquarium

User Ratings: 41 17

Saim B0000030238 First Impressions

"I'm happy with this."

Much easier to use and install than those tank partitions. I have both the small and larger version. I will update after the babies are born but so far this is great. There's only one issue with this unit. We have 12 babies swimming around in our tank at the moment. We picked this up to use as a secondary QT box for our reef tank. Took me a little while to figure it out but it worked for me.

  • Saim Breeder Tank, Aqua Nursery Automatic Circulating Hatchery Aquarium
  • It is a completely automatic system, creates a constant circulation in both the maternity and the nursery section
  • Gently separates mother fish from fry, will not be harmful to them
  • A clever, natural way to breed; a slow-flowing tube softly assist breeding
  • Eliminates stagnant water; keeps the mother and babies alive
  • Adjustbale hangers and removable top covers make the process more convenient
  • Manufacture: Saim
  • Product Dimensions: 5.3 x 4 x 4.7 inches; 9.92 Ounces
  • Editor's Impressions Of The Saim B0000030238
  • Quality [star rating='3.5']
  • Value For Money [star rating='4.5']
  • Affordability [star rating='4.3']

Saim B0000030238 Final Thoughts

"So this is what I did."

If you have a smaller tank, the Lee's may be the better choice. Now he's chilling in quarantine until he heals. I also like that it goes in to the tank and not a hang on the outside type. There's only one issue with this unit. It is large enough for fish bigger than guppies. With the fry drop removed you get a really nice size little tank. I put three pregnant females in the box immediately.

Overall Score
3.6

[star rating="3.6"]
(89 Points)

Peoples Choice - Other Highly Rated Saim Fish Breeding Tanks

2. Saim Fish Breeding Box, Aquarium Isolation Mesh Fish Fry Hatchery Separation Net

User Ratings: 52 4

Saim E4YKSZ09523 First Impressions

"This product is great."

When I came across this one that showed the actual inner dimensions, I was impressed. This works better at protecting babies from mom than the one room nets. We need to do mare to make sure bettas are treated better in pet stores, though. It's unsightly with big uneven seams and extra fabric. He had room to still swim around and I didn't feel too guilty. Undeniably the best seller I've encountered. This product is good for the price.

  • Saim Fish Breeding Box, Aquarium Isolation Mesh Fish Fry Hatchery Separation Net
  • Safely separates new-born fry from mother and other fish
  • Isolates injured or aggressive fish, or small fish, shrimp.
  • Easily attached to the top of your aquarium by the included suction cups.
  • Separates new-born fry from other fish,improve the survival rate of juvenile fish.
  • Assemble required, Finished item measures about: 9.9"/25cm x 5.7"/14.5cm x 5.9"/15cm(L*W*H)
  • Manufacture: Saim
  • Editor's Impressions Of The Saim E4YKSZ09523
  • Quality [star rating='4.9']
  • Value For Money [star rating='4.7']
  • Affordability [star rating='3.4']

Saim E4YKSZ09523 Final Thoughts

"Mines in the mail ."

Perfect for holding my guppy babies. This is the best floating breeder I have ever tried. I didn't have the space for an external one. The dimensions for the large size are approximately 8. I tested both my tank and box water to find a big difference in Ammonia levels. We have 12 babies swimming around in our tank at the moment. I have safe little fry and more to come!

Overall Score
4.0

[star rating="4"]
(37 Points)

3. ZEROYOYO Acrylic 8 Holes Catcher Trap Tube Aquarium Tank Planaria Trapping Tool Crystal Glass Worm-t...

ZEROYOYO First Impressions

"Overall I did like it."

My husband got me a few guppies that apparently had been pregnant. Worked great for me and my need to separate babies from the rest of the tank. I ordered this product for my Balloon mollie babies. I've used several other floating breeders, and have always wished they were larger. He's happy just sitting on his plant blowing bubbles. So overall, this is a functioning product with little issues. Lets in just enough new water to keep it clean, but not too much to have a current.

  • ZEROYOYO Acrylic 8 Holes Catcher Trap Tube Aquarium Tank Planaria Trapping Tool Crystal Glass Worm-trap
  • Made of high quality material, which is durable and will not affect the fish tank water quality.
  • With 8 holes as the import bottom, and take advantage of the nozzle so that the planarian easily into hard out. Such a good and effective trapping product, you are worth!
  • Usage: 1. Bait can use dead shrimp, raw pork, raw animal liver, shrimp and other food (use dead shrimp, frozen raw shrimp works best) 2. After arresting device placed within the bait box and set the cap submerged underwater and then tighten the lid to prevent air bubbles into the impact of heavy water; 3. Recommendation 1 hour into the trap arrest is visible after victories await the first water treatment planarian, avoid resting too long continuously in the tank, thereby causing water to avoid
  • Manufacture: ZEROYOYO
  • Editor's Impressions Of The ZEROYOYO
  • Quality [star rating='3.8']
  • Value For Money [star rating='3.3']
  • Affordability [star rating='3.6']

ZEROYOYO Final Thoughts

"Cheap but works good."

I rated this 4 because it works great for the babies to live in for a bit. I usually wait to write reviews but I am already impressed with this breeding box. Future design improvement- less room for fry, more room for moms. The suction cups hold well, and it has floating handle chambers as a backup. I rated this 4 because it works great for the babies to live in for a bit. That way the water still flows nicely in where mom is. They are now all back together, living as peaceably as fish can.

Overall Score
4.0

[star rating="4"]
(1 Points)

4. Bashsea Mad Rack Pro Red and Black

Bashsea First Impressions

"Works like a charm."

It's unsightly with big uneven seams and extra fabric. There's only one issue with this unit. The lid doesn't lock in place too snugly which make it easy to open. Neither ended up having their babies in the breeder box. As with many plastics, if it isn't thick enough, then it can break. As with many plastics, if it isn't thick enough, then it can break. Each of the four corners I thought had a cap.

  • Bashsea Mad Rack Pro Red and Black
  • Industrial grade and laser cut precision!
  • The only frag Rack utilizing 3/8″ thick American cast acrylic
  • Manufacture: Bashsea
  • Editor's Impressions Of The Bashsea
  • Quality [star rating='4.7']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.2']

Bashsea Final Thoughts

"The large is VERY SMALL."

Good size and I like the separated chambers. No more babies swimming back up the cracks and getten eaten by mom. She doesn't seem very stressed, honestly, and likes to nap in the V's. Neither ended up having their babies in the breeder box. I feel like this breeder box is sturdier than some others that I've used. Worked great for me and my need to separate babies from the rest of the tank. I'm using it as a nursery for baby guppies.

Overall Score
5.0

[star rating="5"]
(1 Points)

5. Baoblaze 10pcs Dia.2cm/3cm CO2 Diffuser Ceramic Disc Replacement for

Baoblaze First Impressions

"Good size!"

Good quality and easy to take apart. The seller, Pawfly, was very nice about it. If you have a smaller tank, the Lee's may be the better choice. The baby fish were able to swim from the bottom back to the time in the corners. I also like that it goes in to the tank and not a hang on the outside type. I own 7 of these isolation, breeding tanks. Kind of a pain to remove the lid and feed the fry.

  • Baoblaze 10pcs Dia.2cm/3cm CO2 Diffuser Ceramic Disc Replacement for
  • Replacement CO2 diffuser disc, high-density with silicon sealing , does not easily block.
  • Tow sizes available : Dia. 3cm/ 1.18" or Dia. 2cm/ 0.79"; Each Pack comes with 10 piece.
  • Helps to ensure plants receive proper amounts of CO2, improve the growth and health of your plants with sufficient CO2 supply.
  • The CO2 diffuser disc must be screwed as tight as possible when installation.
  • Notice: The CO2 diffuser may release big CO2 bubbles during its first 1-3 days of usage. When ceramic disc becomes saturated with water, it will then release fine CO2 bubbles, this is normal and may take up to 3 days.
  • Manufacture: Baoblaze
  • Editor's Impressions Of The Baoblaze
  • Quality [star rating='3.8']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.2']

Baoblaze Final Thoughts

"It is awesome!"

Now he's chilling in quarantine until he heals. I will definitely buy these kind of breeder again. I left it out and the babies were sneaking out through that hole. With everything out the tank seems to stay really clean. I feel like this breeder box is sturdier than some others that I've used. I also like to put in a bowl with acclimating. My other one was fine but I brought her out so she wouldn't get hurt.

Overall Score
4.0

[star rating="4"]
(1 Points)

6. Hmlai Clearance Women Swimdress One Piece Tummy Control Plus Size Sunflower Print Ruched Swimsuit Sh...

Hmlai Clearance First Impressions

"Overall I did like it."

I do suggest leaving the lid above the waterline, however, as it has two holes. I tested both my tank and box water to find a big difference in Ammonia levels. This is my first breeder box so I cant really compare with other brands. I currently have about 30 or so new babies in it. First one arrived used with gravel and a hole in it. They are now all back together, living as peaceably as fish can. I put three pregnant females in the box immediately.

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  • Manufacture: Hmlai Clearance
  • Editor's Impressions Of The Hmlai Clearance
  • Quality [star rating='4.7']
  • Value For Money [star rating='4']
  • Affordability [star rating='4.6']

Hmlai Clearance Final Thoughts

"Over all pretty good."

They are now all back together, living as peaceably as fish can. Apparently my purple Betta, Dragonfruit, did not get the memo. The breeder box has a decent size for isolating fish or dwarf shrimp. I will update after the babies are born but so far this is great. Worked well, water and air flow is minimum due to slots being very thin. I am using several to sort through some fish I am breeding. The Petzilla and Lee's make observations easier.

Overall Score
5.0

[star rating="5"]
(2 Points)

7. S_HomeStore Brine Shrimp Eggs Incubator Hatchery Artemia Eggs Hatchery Kit Fish Tank Hatch Tool for ...

User Ratings: 54 7

S_HomeStore First Impressions

"No, really, I'm kidding."

I am using several to sort through some fish I am breeding. My husband got me a few guppies that apparently had been pregnant. It's roomy and gives them space to move around. I can home one day and one was dead and all torn up from the sides. Future design improvement- less room for fry, more room for moms. We had 2 pregnant fish in seperate halves with them seperated. It comes with 2 removable dividers and a removable fry drop slotted piece.

  • S_HomeStore Brine Shrimp Eggs Incubator Hatchery Artemia Eggs Hatchery Kit Fish Tank Hatch Tool for Aquarium Brine Shrimp Eggs
  • ▶▷ Made of premium material, non-toxic and durable.
  • ▶▷ Can be directly into the harvest shrimp eggs, sea salt and water.Easy to use and clean, convenient to hatch.
  • ▶▷ Connect with air pump, eggs can be hatched within 36-48 hours .
  • ▶▷ Can be used for hatching all dry frozen shrimp eggs.
  • ▶▷ Simple and practical, ideal for the shrimp egg to feed the ornamental fish larvae.
  • Manufacture: S_HomeStore
  • Product Dimensions: 12.28 x 3.31 x 2.99 inches; 10.05 Ounces
  • Editor's Impressions Of The S_HomeStore
  • Quality [star rating='3.7']
  • Value For Money [star rating='4.8']
  • Affordability [star rating='4']

S_HomeStore Final Thoughts

"Would buy again."

Easily accommodates two Molly's, swords or platy fish. The breeder box has a decent size for isolating fish or dwarf shrimp. I highly recommend this product, simple and easy to use! Hope you found this review helpful! The little air tube connection on the side is a nice addition too. Suction cups do not hold the box up under its own weight. As with many plastics, if it isn't thick enough, then it can break.

Overall Score
4.1

[star rating="4.1"]
(62 Points)

8. Bashsea Mad Rack Pro

Bashsea MRP11X11 First Impressions

"It's sturdy so far."

That way the water still flows nicely in where mom is. Suction cups do not hold the box up under its own weight. I'll put the bag from the pet shop in it and cut it open. If that bottom piece fit better it would have been perfect. There's only one issue with this unit. Tired of my guppies eating their fry and found this. There is a grate that sits about an inch above the bottom of the box.

  • Bashsea Mad Rack Pro
  • Industrial grade and laser cut precision!
  • The only frag Rack utilizing 3/8″ thick American cast acrylic
  • Manufacture: Bashsea
  • Editor's Impressions Of The Bashsea MRP11X11
  • Quality [star rating='4.2']
  • Value For Money [star rating='4.9']
  • Affordability [star rating='4.5']

Bashsea MRP11X11 Final Thoughts

"It is perfect!"

Much easier to use and install than those tank partitions. They seemed scared at first but calmed down after about 30 minutes. I had a 2 pregnant guppies and bought this for them. So it IS possible for very small fry to slip through the slits. I got the medium and it's mostly the width of a 10 gallon tank. That way the water still flows nicely in where mom is. I've used several other floating breeders, and have always wished they were larger.

Overall Score
5.0

[star rating="5"]
(1 Points)

9. Aquarium Fish Shrimp Breeder Box Fish Tank Breeding Box Plastic Isolation Hatchery Fish Shrimp Incub...

User Ratings: 65

Hffheer First Impressions

"It is nice and clear."

Perfect for holding my guppy babies. I ordered this product for my Balloon mollie babies. Neither ended up having their babies in the breeder box. It is large enough for fish bigger than guppies. I have noticed that with all they pieces in that food does not exit the bottom half. If that bottom piece fit better it would have been perfect. It's unsightly with big uneven seams and extra fabric.

  • Aquarium Fish Shrimp Breeder Box Fish Tank Breeding Box Plastic Isolation Hatchery Fish Shrimp Incubator
  • 【Protect Your Baby Fish】Prevent the baby fish from the adult fish's attack and improve the survival rate of the baby fish.
  • 【Hatchery Breeding Box】Designed for small fish and shrimp hiding, lay eggs, often used for the breed of crystal shrimps.
  • 【Premium Material】Our shrimp breeding box is made of high-quality acrylic material, without any barrier, provides better viewing angles to observe your shrimp and fish.
  • 【Easy to Install】With the powerful suction cup, easily to be attached to anywhere in the tank.
  • 【Wide Application】Good for any fishes, such as bettas, guppies, medaka, etc.
  • Manufacture: Hffheer
  • Product Dimensions: 3.94 x 3.94 x 3.94 inches; 0.71 Ounces
  • Editor's Impressions Of The Hffheer
  • Quality [star rating='3.8']
  • Value For Money [star rating='4.6']
  • Affordability [star rating='4.3']

Hffheer Final Thoughts

"I really like it."

That way the water still flows nicely in where mom is. So far, those have both held up, so the non-locking lid has not been an issue. Kind of a pain to remove the lid and feed the fry. Undeniably the best seller I've encountered. I highly recommend this product, simple and easy to use! I currently have about 30 or so new babies in it. I ordered this and it came next day.

Overall Score
4.3

[star rating="4.3"]
(3 Points)

10. Biolife Fish Breeding Box, Flexible Fish Isolation Box with Suction Cups, Aquarium Acclimation Hatch...

User Ratings: 27 26

Biolife First Impressions

"Suction cups are good."

Still, everything else about the box is great! Suction cups do not hold the box up under its own weight. I gave 4 stars becauses the mesh gets algae ridden pretty easily and stained green. Apparently my purple Betta, Dragonfruit, did not get the memo. I really like that it has suction cups, and is very sturdy on the glass. Now he's chilling in quarantine until he heals. I will definitely buy these kind of breeder again.

  • Biolife Fish Breeding Box, Flexible Fish Isolation Box with Suction Cups, Aquarium Acclimation Hatchery Incubator for Baby Fishes Shrimp Clownfish and Guppy
  • ✅ Biolife Turbo FX5 works with Air. Can be used safely in all types of aquariums Size: 11.41x5.51x4.72 in (Lxwxh)
  • ✅ Strap Lock System: L: 0.39in H: 3.9in Strap Lock System: L: 0.39in H: 3.9in Not suitable for framed and Border aquariums
  • ✅ Perforated design, able to take out of the aquarium in a full of water
  • ✅ One solution for all fish and shrimp. 3 separate turbo filtration systems at water inlet and outlet to the fryer
  • ✅ Continuous supply of clean and oxygenated water
  • Manufacture: Biolife
  • Product Dimensions: 11.41 x 5.51 x 4.72 inches; 15.8 Ounces
  • Editor's Impressions Of The Biolife
  • Quality [star rating='4']
  • Value For Money [star rating='3.6']
  • Affordability [star rating='2.9']

Biolife Final Thoughts

"So the netting like."

Undeniably the best seller I've encountered. That way the water still flows nicely in where mom is. We caught momma the day before she had them and removed her after. Each of the four corners I thought had a cap. I'll put the bag from the pet shop in it and cut it open. 5 gallon, but he was struggling to swim. Super strong suction cups- I have both the small and large.

Overall Score
3.0

[star rating="3"]
(7 Points)

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