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🐠 Elevate your aquarium game—protect, breed, and showcase like a pro!
The capetsma Fish Breeding Box is a sleek, durable acrylic incubator designed for safe isolation, breeding, and acclimation of baby fish and shrimp. Measuring a compact 5.2" x 2.7" x 2.9", it features adjustable dividers, optimized water vents, and secure suction cups for easy aquarium mounting. Perfect for enhancing fry survival rates and protecting vulnerable aquatic life, this breeder box combines functionality with modern design to meet the needs of discerning aquarium enthusiasts.














| ASIN | B07M7H2BK2 |
| Additional Features | Adjustable, Durable, Easy to Clean |
| Best Sellers Rank | #31,307 in Pet Supplies ( See Top 100 in Pet Supplies ) #12 in Fish Breeding Tanks |
| Brand | capetsma |
| Brand Name | capetsma |
| Color | Clear |
| Customer Reviews | 4.2 out of 5 stars 6,816 Reviews |
| Included Components | suction cups |
| Item Dimensions L x W x H | 5.2"L x 2.7"W x 2.9"H |
| Item Shape | box |
| Item Weight | 0.08 kg |
| Manufacturer | capetsma |
| Manufacturer Part Number | 682228013705 |
| Material | Acrylic |
| Material Type | Acrylic |
| Model Number | 682228013705 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pet Type | Fish |
| Product Dimensions | 5.2"L x 2.7"W x 2.9"H |
| Product Style | Modern |
| Special Feature | Adjustable, Durable, Easy to Clean |
| Specific Uses For Product | breeder, hatchery, isolation |
| Tank Volume | 21.47 cubic inches |
| Target Species | Fish |
| UPC | 682228013705 |
| Unit Count | 1 Count |
| Vivarium Type | Fish Breeding Tank |
W**Y
Great for protecting
Perfect for my injured fish he’s approximately 4 inches and he can barely move anymore, but there is one other fish in the tank who bullies him constantly and was eating his fin so I had to get this to protect him and it’s perfect. It’s the perfect size too he can’t really move much since he’s handicapped so it gives him just enough space to get relief from the other fish. That’s a big fat bully! I like that it’s hard plastic and not mesh. It was a couple extra bucks, but it was worth it. It does have a divider if you do need to have two different fish onto different levels, but I would suggest it being only if you’re breeding and not for quarantining.
S**L
Lots of great uses for this!!!! I’m glad I got it!
Exactly what I was looking for. Great but look at measurements. Not as sturdy as I thought but perfect for what I wanted. Has top, divider, bottom part where eggs can fall bellow, really good material and suction cups. Silicone as I’m allergic to latex. So great. I also like to put in a bowl with acclimating. I’ll put the bag from the pet shop in it and cut it open. Then i.e. ghost shrimp - drip acclimate by folding bag over it (placed in a bowl) and slowly drip acclimate over a few hours with the aquarium water. I can take them out at the end and place them next to the aquarium and cover with a blue towel. You have to be really careful with shrimp or they die. It’s good for so many things. When I clean my smaller tank I don’t want to hurt my my snails so I put it on the side of the tank on the inside and place them in there while I do the cleaning. I really like it. I’m glad I did the research. You can always place panty hose or a net around if your afraid your fry are absolutely too small but it is pretty small. Hope this is helpful. That’s why I took time to come back. Lots of uses.
C**Y
Wish it Were a Bit Larger
I do wish this was a little larger than it is but I think this is a great breeder tank, over all. I purchased the size medium and finds that it works fine in my 55 gallon aquarium and it doesn't get in the way. The suction power of the suction cups is strong and holds up very well. I have had no issues whatsoever with them slipping down or losing their grip. I just use this without the dividers and even without the lid. I have a little baby fish that I grabbed before it was eaten so hes the only one in there right now. As a word of caution, I should mention that the holes at the sides of this breeder Box might be large enough for some of these smaller fry types to slip through. I haven't had any issues with my plattie fry but some might.
E**K
Actually a decent size!
I bought this for guppy fry that were getting too big for the dinky little breeder box I already had, but were not yet big enough to move to the six gallon aquarium I had set up as a grow-out tank. (When you put them in too big of a tank too soon, I find that they waste a lot of their energy for growing while looking for food, exploring, etc.). This box gave them twice the space of the old one, maybe more. Very easy to clean. Like most boxes of this kind with the slits on each side, I don’t trust it to provide adequate water flow. For this reason, I lift it halfway out of the water once a day to make sure toxins are not building up in the container, and let some of the uneaten food and poo flow out. The babies were a little confused by this initially, but it doesn’t really seem to stress them out. (They’re only a couple of weeks old- at this point they just think it’s normal to suddenly have half your water disappear for a moment. What do they know? Lol.). I also put a wad of Java moss and some hornwort in there so that probably two-thirds of this was basically a jungle on their scale. I highly recommend putting plenty of plants even if you just use fake ones- otherwise the bare empty container will stress the bebbies out. Finally, I put a ramshorn snail in the container to help clean up- like having a Roomba under the high chair, haha. The babies were fine in this box until about three weeks of age. They are now in their grow-out tank and doing well. I have not tried this to separate mom from babies, yet. The next lady to go into labor gets to try out the new maternity ward. But I would not even try it in anything smaller than this because putting them in tiny containers stresses them out a lot. This one, with plenty of plants in it, is large enough that it might be worth a try. I’ll update this review after I see how that goes. But, just as a nursery, this is a great little box.
K**N
Good for price but super annoying to set up
I think it's working great so far, and my female guppy is definitely getting the break she needs before giving birth. In previous times, I've had to use kitchen bowls and fihsbowls because I cannot (right now) own a temporary tank for the fry and mother while she is in labor, so this works great. But it was SOOO annoying to put together! There's no instructions because the thought is that you can figure it out yourself (easy for me but possibly not easy for others) and the bottom piece that divides the fry and the fish is only secure with the divider piece in. But what if you only have one fish? You take out the divider- oh no! The piece is loose! Gotta fix it! What? It's not staying secure! After a while, I realized I would just have to take the risk and leave it loose-then I put it in the water and it floats right up. Another thing, the bottom piece does not go in easy. It pops in but is either tilted all the way to the left or all the way to the right. I used my plant tweezers to carefully put them in which worked fine, but is a problem that needs to be fixed. Overall, it's fine but annoying to put together. Works great so far and I think it's a great product with just a few problems.
0**4
(Update: Fixed it.) Fry escaped 100% of the time
Update: The nylon worked! I put a knee high type nylon around the box and that did keep the fry in and they cannot escape. It's a quick, easy, and inexpensive fix. Disappointed when we waited 2 days to put the fry inside and they still were too small and escaped. I tried about 3 or 4 times to place fry inside and they escaped 100% of the time. It was smaller than expected but that's okay I suppose for my use. The suction cups work very well. Unfortunately the slits are a little too big apparently. I did read from another review to try pantyhose so I will try that tomorrow. I currently have a small Tupperware container inside the hatchery until I figure something out since the suction cups work very well. I'm glad I saw that suggestion and will try to put the hatchery inside pantyhose to see if that will stop them from escaping while still allowing water through.
T**1
Nice fish hatchery
I have now purchased two of these fish hatcheries. I use one for babies and another to quarantine a wounded fish. It comes with suction cups to hold it in place, but it is pretty stable without them. It also has a divider if needed. It’s a quality product and a good value for the money. I planning to add a couple more to my collection as my African Cichlids continue to multiply. I definitely recommend this product for any fish keeper.
P**A
Fry swim right through the holes
I ordered the small but was not expecting it to be super small. It will fit in the palm of your hand. Even thought it was really small I still used it and thought it could work. But once I put the fry in the tiny box there were holes around the bottom and the fry just swam right out. The holes are way to large even the eggs fall through the holes. The lid that goes on the top does not fit snugly if you put it even with the water line. The lid will float up and off allowing larger fish inside and the fry outside. The suction cups hold pretty good, and stays stuck on the side of the tank. If you lift the tiny box out of the water make sure there are no fish inside because all of the water drains out the bottom holes so you have to keep the little box submerged somewhat in order to keep water inside. Even though I measured the size small was super small. I must have measured wrong. It would be fine for small fish like neons or small fish like that. I have zebra fish (danios) the box was actually to small for them to turn around in. The first photo is full view of my 20 gal tank with the little box in the middle at the top. The other photo is zoomed in. Not happy with the little box at all. Its cheaper to just keep it. My first order never came and I had to get a refund and reorder. The package did arrive undamaged and item had no cracks.
P**R
Big enough for 2 guppies!
Good quality!
J**A
It’s a good breeding box inside the tank
This box is great for isolating certain fishes/shrimps from your tank. It fits inside my tank. The slits are big, so small fry/shrimps will slip through. I use this mainly to as a temporary cull space to remove shrimps that I don’t want. I find that it’s better to place it under an air stone so that the fishes/shrimps you have in here have some air, as the water does get stale.
M**E
Useful for breeding and fish isolation.
Useful for breeding and fish isolation.
T**N
Good buy
Very good. Good quality and the suction cups are great.
T**S
Super Preis-leistung, top
Super Preis-leistung, top.
Trustpilot
2 months ago
2 weeks ago