If they can get around the middle tray and swim up to one of the two holes yes but for the most part they stay under the middle section

Do i need to connect a air pump to this breeder box for the fry to breath or is not necessary?

No it's a flow through and sits inside the tank attached with 3 suction cups. Very handy and can be left inside tank with the lid off and the fish will swim right into it.

Can this be used to treat a wounded molly fish until it is well?

Yes you can, I used it for guppy fish and molly fish works very well.

does the cage float if the suction cups release?

I know this isn't exactly what you asked but mine bobs a bit. there are 2 suction cups not super secure. I have problems with the mud trey floating up

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Senzeal Aquarium Fish Breeder Box Plastic Fish Isolation Breeding Box Hatching Incubator Box for Baby Fishes Shrimp Clownfish Guppy

Product ID: 45197969

Details

Brand
Senzeal
Color
Clear
Item Weight
0.16 Kilograms
Manufacturer
Senzeal
Material
Plastic
Product Dimensions
4.13"L x x

🌊Transparent floating, jump-proof

🔄Modular isolation & hatchery design

🛡️Prevents adult fish attacks

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¥2806

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🐠 Breed Brilliance: Elevate Your Aquarium Game with Senzeal!

CRYSTAL CLEAR VISIBILITY - Transparent plastic lets you monitor your aquatic babies effortlessly.
PROTECT YOUR FRY LIKE A PRO - Safeguards juvenile fish from aggressive adults, boosting survival rates.
SECURE SUCTION CAP MOUNTING - Stable attachment prevents accidental dislodging, keeping your fish safe.
FLEXIBLE ISOLATION HATCHERY - Easily isolate aggressive or injured fish or convert to a spacious hatchery by removing partitions.
SPACE SMART DOUBLE LAYER DESIGN - Innovative stacked layers maximize tank space without clutter.

The Senzeal Aquarium Fish Breeder Box is a lightweight, transparent plastic isolation and breeding tank designed to protect juvenile fish and shrimp from adult aggression. Featuring a modular design with removable partitions, it doubles as a hatchery and includes suction caps for secure tank attachment. Its space-saving double-layer construction and jump-proof floating design make it an essential tool for professional and hobbyist aquarists aiming to maximize survival and breeding success.

Specifications

ASIN	B073P5MX4J
ASIN	B073P5MX4J
Additional Features	Lightweight
Best Sellers Rank	#25,418 in Pet Supplies ( See Top 100 in Pet Supplies ) #9 in Fish Breeding Tanks
Brand Name	Senzeal
Color	Clear
Customer Reviews	4.2 4.2 out of 5 stars (1,465)
Date First Available	January 4, 2018
Is Discontinued By Manufacturer	No
Item Dimensions L x W x H	4.13"L x 2.95"W x 5.31"H
Item Weight	0.16 Kilograms
Item model number	SZLUS-0425
Manufacturer	Senzeal
Manufacturer	Senzeal
Manufacturer Part Number	SZLUS-0425
Material Type	Plastic
Model Number	SZLUS-0425
Product Dimensions	4.13 x 2.95 x 5.31 inches; 5.61 ounces
Product Style	Modern
Target Species	Fish
UPC	614024584769
Unit Count	1.0 Count
Vivarium Type	Aquarium

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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¥2806

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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