Does this share water with the main tank?

Yes it goes on the inside of tank. I leave the top of mine about 1/4 inch above the water level in main tank & slide the lid to one side so I don't have to take it on & off to feed the baby fish & so they don't get out. I'm on my 3rd set of baby fish . The suction cups hold really well but you can slide it up & down a little bit if you need to & it stays in place.

Can I use the medium or large to breed my zebra danios and tetras fish?

I think you probably could if she's comfortable laying eggs in there. My zebra is getting ready to drop her eggs soon and I'm trying to get her to do it in one of these now. I got the large and there's a pretty decent amount of room in there for my pair to swim around and hang out.

Can you use it without the divider once the mom is removed? I am looking for a larger plastic in-tank cage to let my platy babies grow.

of course you can, it is 5.2*2.7*2.9", you need to keep an eye on the babies, once some grow up, you need to remove it out of this breeding box in case it is too crowd.

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capetsma Fish Breeding Box, Acrylic Fish Isolation Box with Suction Cups, Aquarium Acclimation Hatchery Incubator for Baby Fishes Shrimp Clownfish and Guppy. Small Size (S)

capetsma Fish Breeding Box, Acrylic Fish Isolation Box with Suction Cups, Aquarium Acclimation Hatchery Incubator for Baby Fishes Shrimp Clownfish and Guppy. Small Size (S)

Product ID: 255719250

Details

Brand
capetsma
Material
Acrylic
Product dimensions
13.2L x 6.9W x
Special features
Adjustable to
Tank volume
21.47 Cubic

💨Optimized vents for ideal water flow

📏3.9" x 2.7" x 2.3" compact size

🧲Strong suction cups for secure mounting

338 kr

Duties & taxes included

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Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

🐠 Elevate your aquarium game—because your baby fish deserve the best start!

SPACE SMART DESIGN - Two-layer, wall-mounted setup saves aquarium space while maintaining hygiene with bottom grating.
VERSATILE ISOLATION - Customizable divider adapts to your fish’s unique needs—perfect for injured or aggressive species.
EFFORTLESS MAINTENANCE - Quick 3-minute assembly and easy cleaning keep your breeding environment pristine with minimal hassle.
PRECISION CRAFTED CLARITY - Premium cell cast crystal acrylic ensures crystal-clear viewing and durability.
SURVIVAL BOOSTER HATCHERY - Protects newborn fry from predators, dramatically increasing juvenile survival rates.

The capetsma Fish Breeding Box is a compact, high-quality acrylic incubator designed for safely isolating and acclimating baby fish and shrimp. Featuring secure suction cup mounting, optimized water flow vents, and a removable divider, it enhances fry survival and fits seamlessly into any aquarium setup.

Specifications

ASIN	B07M7H2BK2
Additional Features	Adjustable, Durable, Easy to Clean
Best Sellers Rank	#69,981 in Pet Supplies ( See Top 100 in Pet Supplies ) #90 in Fish Breeding Tanks
Brand	capetsma
Brand Name	capetsma
Color	transparent
Customer Reviews	4.2 out of 5 stars 6,546 Reviews
Included Components	isolating board, suction cup
Item Dimensions L x W x H	13.2L x 6.9W x 7.4H centimeters
Item Shape	box
Item Weight	0.08 Kilograms
Item weight	0.08 Kilograms
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 Style	Modern
Product dimensions	13.2L x 6.9W x 7.4H centimeters
Set Name	s \|
Special features	Adjustable, Durable, Easy to Clean
Specific Uses For Product	breeder, hatchery, isolation
Tank Volume	21.47 Cubic Inches
Tank volume	21.47 Cubic Inches
Target Species	Fish
UPC	682228013705
Unit Count	1 Count
Vivarium Type	Fish Breeding Tank

Reviews

B**Y

Perfect for time outs

Perfect for using as a time out area for my aggressive cichlids. I don’t have another tank to put him in so this works perfect.

4.09.2026

P**R

Big enough for 2 guppies!

Good quality!

7.09.2022

M**E

Useful for breeding and fish isolation.

8.09.2025

T**N

Good buy

Very good. Good quality and the suction cups are great.

15.12.2025

T**S

Super Preis-leistung, top

Super Preis-leistung, top.

9.01.2026

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338 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Denmark.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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