If you are interested in a big discount on Black Friday deals on fish tank, look at the following current amazing offers. Black Friday aquarium deals 2019
Breeder tank for fish
SaleBestseller No. 1 
Marina Hang-On Breeding Box, Large
- Safe & secure tank for breeding, isolating or acclimating fish
- Multi-purpose use
- Space saving design
- Hangs on the outside of the aquarium
- 0.5 gallons
Bestseller No. 2 
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)
- 🏡🏡🏡 Safe and Upgraded Design: Made of High quality cell cast crystal acrylic with inner size of 3.9" x 2.7" x 2.3", Exquisite workmanship, Safe and secure for breeding, isolating or acclimating fish, favorable vents allow optimum water flow and easy to observe your baby fish.
- 🏡🏡🏡 Must-have for pregnant fishes: This fish breeder is a Hatchery for viviparous fish, such as bettas, guppies, medaka, ect, can protect new born fry from being eaten, improve the survival rate of juvenile fish.
- 🏡🏡🏡 Multi-functional: This breeder box for fish tank comes with self-contained isolation plate, can reduce danger from aggressive fishes, protect injured fish, small fish, shrimp, and other sea clownfish
- 🏡🏡🏡 Space-saving & Self-floating: This fish isolation box can be secured to the aquarium wall with the suction cups. 2-layer combination does not occupy space.the grating in the bottom prevents soiling of the box by food residues and excrement.
- 🏡🏡🏡 Easy Operation: 3 mins assembly / disassemble for cleaning. (First time may take about 10 mins to remove protection layers from acrylic). Removable divider customize size and number of chambers for different needs
Bestseller No. 3 
PETS ISLAND Aquarium Fishes Breeding Boxes Double Guppies Hatching Incubator Isolation Box (7.7 in)
- 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
- It is a Hatchery for viviparous fish, such as bettas, guppies, medaka, ect. It can Prevent attack from adult fish, improve the survival rate of juvenile fish
- It can Separate aggressive fish, injured fish, small fish, shrimp, and other sea clownfish
- Self-floating design with suction cup, 2-layer combination does not occupy space
- Make sure you put all the pregnant fishes into the incubator! Many people are easy miss some pregnant fishes. In fact, the ventilating hole of the incubator is not visible by the naked eye, and the small fish cannot run out.
Bestseller No. 4 
Boxtech Aquarium Fish Tank Hatchery Incubator Breeding Box, Acrylic White Breeder Isolation Divider Hatching Boxes Accessory Small Baby Fishes Shrimp Clownfish Guppy (8.3x3.7x3.9'')
- 🐟Safe materail:Made of safe crystal transparent plastic material,Safe and secure tank for breeding, isolating or acclimating fish,also it is easy to see your baby fish.
- 🐟Multi-purpose use:Bottom compartment protects new born fry,it not also can protect the newborn fish,It is also ideal to be sick fish and isolation chamber for pregnant fish.
- 🐟Hatchery breeding for baby:breeding for small baby fish,such as bettas.
- 🐟Self-contained isolation plate:can reduce danger,suitable for isolating diseased,weakened,also can Separate aggressive fish, injured fish, small fish, shrimp, and other sea clownfish.
- 🐟Space saving Self-floating design:with suction cup hangs on the aquarium,2-layer combination does not occupy space.The breeding box can be secured to the aquarium wall with the suction cups.the grating in the bottom prevents soiling of the box by food residues and excrement.
Bestseller No. 5 
Lee's Net Breeder
- Engineered to allow optimum water flow
- Safely separates new-born fry from mother and other fish
- Isolates injured or aggressive fish
- Multi-purpose, clear container
SaleBestseller No. 6 
XMHF Nylon Mesh Fish Fry Hatchery Breeder Box Separation Net
- Product Name: Aquarium Net Breeder
- Color: White, Green; Material: Plastic, Nylon
- Total Size: 17 x 12.6 x 15cm / 6.7" x 5" x 5.9" (L*W*H)
- Package Content: 1 x Aquarium Net Breeder, 4 x Suction Cups
- Net Weight: 80g
SaleBestseller No. 7 
Petzilla PBI-1 Aquarium Fish Breeder Box for Hatchery (Small, 3.11"x2.75"x4.3")
- Prevent the baby fish from the adult fish's attack and improve the survival rate of the baby fish.
- Perfect isolator for aggressive fish, injured fish, small fish, shrimp and other marine fishes. Fishes such as Guppies, Tetras, Platties, Damsel, Clownfish and other small fishes about 1 inch may fit in.
- Self-floating & adherent design; double layers space-saving combination.
- Upgraded design & side vents allow for optimum water flow.
- Authentic quality & professional manufacturer support from Petzilla only. For a larger one, search Petzilla PBI-2 or PBI-3.
Bestseller No. 8 
Petzilla Aquarium Fish Breeder Box for Baby Fish Hatchery (in-Tank)
- Prevent the baby fish from the adult fish's attack and improve the survival rate of the baby fish. Perfect isolator for aggressive fish, injured fish, small fish, shrimp, clownfish, and other marine fishes.
- Multi-room Designed - Space can be divided into as much as 3 small "rooms" as needed. Remove all the partitions to work as a large hatchery box.
- 0.5mm Super-slim Isolation Gap - Thinner than the gap of the fish eggs plate, effectively protect the baby fish from the invasion of the adult fish.
- Original Design of 4 stands to Make It Steady - The W funnel won't be floating because of the water pressure when it's not placed upright.
- No need to open the cover when feeding because of the upgraded design with a feeding hole on the top. New suctions made with Environment-friendly materials, better adsorption.
Bestseller No. 9 
MundPet Aquarium Breeding Hatchery Incubator Isolation Box Tank for Fish Breeder (S)
- Multifunction isolation box: Exquisite workmanship, transparency and compact
- To prevent adult fish attack and to improve the survival rate of juvenile fish
- There are cracks on both sides, to ensure the flow of water within the tank and isolation box
- The unique floating design, can move anywhere, not sink, double combination, does not occupy space
- Unique transparent cover, ensure the fish does not incite, middle of the hole,to facilitate feeding.Floating design, double layer combination, can save space for you
Bestseller No. 10 
ZOSEN Aquarium Fish Breeder Box Isolation Box Breeder Hatchery Incubator (white)
- Upgraded Mesh design allow for optimum water flow.
- Can be used as the spawning box for the viviparous fishes.
- Isolates injured or aggressive fish, or small fish, shrimp.
- Easily attached to the top of your aquarium by the included suction cups.
- Safely separates new-born fry from other fish,improve the survival rate of juvenile fish.
Fish breeder box
Bestseller No. 1
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)
- 🏡🏡🏡 Safe and Upgraded Design: Made of High quality cell cast crystal acrylic with inner size of 3.9" x 2.7" x 2.3", Exquisite workmanship, Safe and secure for breeding, isolating or acclimating fish, favorable vents allow optimum water flow and easy to observe your baby fish.
- 🏡🏡🏡 Must-have for pregnant fishes: This fish breeder is a Hatchery for viviparous fish, such as bettas, guppies, medaka, ect, can protect new born fry from being eaten, improve the survival rate of juvenile fish.
- 🏡🏡🏡 Multi-functional: This breeder box for fish tank comes with self-contained isolation plate, can reduce danger from aggressive fishes, protect injured fish, small fish, shrimp, and other sea clownfish
- 🏡🏡🏡 Space-saving & Self-floating: This fish isolation box can be secured to the aquarium wall with the suction cups. 2-layer combination does not occupy space.the grating in the bottom prevents soiling of the box by food residues and excrement.
- 🏡🏡🏡 Easy Operation: 3 mins assembly / disassemble for cleaning. (First time may take about 10 mins to remove protection layers from acrylic). Removable divider customize size and number of chambers for different needs
SaleBestseller No. 2
Marina Hang-On Breeding Box, Large
- Safe & secure tank for breeding, isolating or acclimating fish
- Multi-purpose use
- Space saving design
- Hangs on the outside of the aquarium
- 0.5 gallons
Bestseller No. 3
PETS ISLAND Aquarium Fishes Breeding Boxes Double Guppies Hatching Incubator Isolation Box (7.7 in)
- 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
- It is a Hatchery for viviparous fish, such as bettas, guppies, medaka, ect. It can Prevent attack from adult fish, improve the survival rate of juvenile fish
- It can Separate aggressive fish, injured fish, small fish, shrimp, and other sea clownfish
- Self-floating design with suction cup, 2-layer combination does not occupy space
- Make sure you put all the pregnant fishes into the incubator! Many people are easy miss some pregnant fishes. In fact, the ventilating hole of the incubator is not visible by the naked eye, and the small fish cannot run out.
SaleBestseller No. 4
Petzilla PBI-1 Aquarium Fish Breeder Box for Hatchery (Small, 3.11"x2.75"x4.3")
- Prevent the baby fish from the adult fish's attack and improve the survival rate of the baby fish.
- Perfect isolator for aggressive fish, injured fish, small fish, shrimp and other marine fishes. Fishes such as Guppies, Tetras, Platties, Damsel, Clownfish and other small fishes about 1 inch may fit in.
- Self-floating & adherent design; double layers space-saving combination.
- Upgraded design & side vents allow for optimum water flow.
- Authentic quality & professional manufacturer support from Petzilla only. For a larger one, search Petzilla PBI-2 or PBI-3.
SaleBestseller No. 5 
Petzilla Aquarium Fish Breeder Box for Hatchery, Perfect Isolator for Aggressive Fish Injured Fish Small Fish Shrimp Clownfish (Large)
- Prevent the baby fish from the adult fish's attack and improve the survival rate of the baby fish
- Perfect isolator for aggressive fish, injured fish, small fish, shrimp, clownfish, and other marine fishes
- Can connect air pump; Self-floating & adherent design; double layers space-saving combination
- Upgreaded design & side vents allow for optimum water flow
- Authentic quality & professional manufacturer support from Petzilla only
Bestseller No. 6 
NGe Aquarium Fish Breeder Box, Rectangle Isolation Box, with Adjustable Position Isolation Panel, Hatching Box, Juvenile Fish Spawning Incubator, Water Isolation Net Hatchery
- Total Size: 25 x 14 x 15cm / 9.8" x 5.5" x 5.9"(Length*Width*Height); Material: Plastic, Nylon.
- Safely separates new-born fry from other fish, increase the survival rate of juvenile.
- Easily attached to the top of the aquarium by the included suction cups. Isolates injured or aggressive fish, or small fish, shrimp. It can be used as a spawning box for the viviparous fishes.
- Installation: First insert four cylinders into the four corners of the upper and lower frames; The fine mesh is placed from the bottom up to the entire box; Insert the six suction cups into the round holes of the upper frame; Put the isolation net into the water and adsorb it on the glass. The water level should not exceed the upper frame.
- Package Content: 1 x Aquarium Breeder Box, 1 x Nylon Net, 6 x Suction Cup.
Bestseller No. 7 
Tfwadmx Fish Breeding Box, Aquarium Breeder Box Fish Baby Hatchery Incubator Isolation with Artificial Plant for Guppy
- PROTECT JUVENILE FISH : Prevent the baby fish from the adult fish's attack and improve the survival rate of the baby fish. Perfect isolation for aggressive fish, injured fish, small fish, shrimp, clown fish, and other marine fishes.(Note!!! --There is a protective film on the surface, please tear it off when you use it)
- MULTIPLE-ROOM DESIGN : Multiple rooms Designed Space can be divided into as much as 3 small "rooms" as needed. Remove all the partitions to work as a large hatchery box.
- EFFECTIVE ISOLATION : 0.5mm Super-slim Isolation Gap Thinner than the gap of the fish eggs plate, effectively protect the baby fish from the invasion of the adult fish.
- STABLE WITHOUT FLOATING : Original Design of 4 stands to Make It Steady The W funnel won't be floating because of the water pressure when it's not placed upright.
- 100%CUSTOMER SERVICE : If you have any questions about product quality or logistics damage, please contact us. We promise to return the goods within one month, please feel free to buy. We are 100% customer service satisfaction.
Bestseller No. 8 
Tfwadmx Aquarium Fish Breeder Box Hatchery Incubator, Large Acrylic Fish Isolation Box for Crawfish Guppy Betta (7.8 in)
- FISH BREEDING BOX MEASURE&QUALITY: Fish tank is made of acrylic. Cover to prevent fish jumping out or in. There is a hole in the lid. It can let your fish have fresh air. Hatchery breeding for baby--breeding for small baby fish,such as bettas. Length*Width*Height--8X4X4In Include package:1*fish breeder box.
- PREVENT THE FISH OUT OF ISOLATION: The unique floating design, can move anywhere, not sink, double combination. It does not occupy space. There are cracks on both sides, to ensure the flow of water within the tank and isolation box.
- SUCTION CUPS FOR AQUARIUM BOX: The suction cup holds firmly to the inside of the tank, preventing the breeding box from flowing with the water. Anywhere convenient fixed in the tank. The breeding box can be secured to the aquarium wall with the suction cups. The grating in the bottom prevents soiling of the box by food residues and excrement.
- MULTIFUNCTION ISOLATION BOX: Exquisite workmanship, transparency and compact. Removable center divider allows two fish to be safely isolated. Space saving design that hangs on the inside of the aquarium. Please remove the protection film before use.
- 100%CUSTOMER SERVICE SATISFACTION: High quality Aquarium breeder box hatchery is popular with fish. We promise 100% return within one month. If you have any questions, you can contact us. We will reply you within 12 hours.
Bestseller No. 9 
boxtech Aquarium Fish Tank Hatchery Incubator Breeding Box, Acrylic White Breeder Isolation Divider Hatching Boxes Accessory Small Baby Fishes Shrimp Clownfish Guppy (5.2x2.7x2.9'')
- 🐟Safe materail:Made of safe crystal transparent plastic material,Safe and secure tank for breeding, isolating or acclimating fish,also it is easy to see your baby fish.The size it is 5.2x2.7x2.9 inch,just for small fish.
- 🐟Multi-purpose use:Bottom compartment protects new born fry,it not also can protect the newborn fish,It is also ideal to be sick fish and isolation chamber for pregnant fish.
- 🐟Hatchery breeding for baby:breeding for small baby fish,such as bettas.
- 🐟Self-contained isolation plate:can reduce danger,suitable for isolating diseased,weakened,also can Separate aggressive fish, injured fish, small fish, shrimp, and other sea clownfish.
- 🐟Space saving Self-floating design:with suction cup hangs on the aquarium,2-layer combination does not occupy space.The breeding box can be secured to the aquarium wall with the suction cups.the grating in the bottom prevents soiling of the box by food residues and excrement.
Bestseller No. 10 
Lefunpets Aquarium Fish Breeding Box for Baby Fish Hatchery, Double Guppies Hatching Incubator Isolation Box (M 8.3x3.7x3.9 inch)
- 【Hatching Box】for viviparous fish, such as betta, guppy, medaka, ect. It can prevent attack from adult fish, improve the survival rate of juvenile fish.
- 【Multi-purpose Use】designed for fish or shrimp breeding, isolating or incubation.
- 【Unique Self-floating Design】with 2 suction cup, 2-layer combination does not occupy space. It ensures the breeding box above water without sinking.
- 【Safe Material】made of safe crystal transparent acrylic material to keep baby fish, injured fish safety.
- 【Self-contained Breeding Box】It can separate aggressive fish, injured fish, small fish, shrimp, and other sea clownfish.
40 Gallon breeder tank and accessories
Bestseller No. 1 
Aqueon Tank Breeder Black 36X18X16 40gal
- High quality glass construction
- For freshwater & marine inhabitants
- Clean silicone edges
- Can stand up to almost any application
SaleBestseller No. 2 
Carolina Custom Cages Terrarium, Large 36Lx18Dx18H; Easy Assembly
- These new Carolina Custom Cages Terrariums are very easy to assemble and come in 18 different models. The 24"L models and the 36"L models feature hinged doors. The 48"L and 72"L models feature sliding doors. All terrariums feature key-lock security.
- The Bio Deep models feature a 12" deep waterproof base. All other models feature a waterproof base that is: 4" deep on the 18"H models, 6.3" deep on the 24"H models and 7.5" deep on the 36"H models.
- Medium 24Lx18Dx18H, Tall Medium 24Lx18Dx24H, Extra-Tall Medium 24Lx18Dx36H, Large 36Lx18Dx18H, Tall Large 36Lx18Dx24H, Extra-Tall Large 36Lx18Dx36H, Large Deep 36Lx24Dx18H, Extra-Long 48Lx18Dx18H, Tall Extra-Long 48Lx18Dx24H, Extra-Tall Extra-Long 48Lx18Wx36H, Extra-Long Deep 48Lx24Dx18H, Tall Extra-Long Deep 48Lx24Dx24H, Tall Extra-Extra-Long Deep 60Lx24Wx24H, Giant Deep 72Lx24Dx18H, Giant Deep Tall 72Lx24Dx24H, Giant Deep Extra-Tall 72Lx24Dx36H, Bio Deep 24Lx18Wx30H, Bio Deep 36Lx18Wx36H.
- Now with tougher cardboard and extra styrofoam for our double "box-inside-a-box" packaging for even better protection against UPS abuse. Carolina Custom Cages is a division of Carolina Designer Dragons, Inc.; a boutique breeder of bearded dragons, selections on our website.
Bestseller No. 3 
Tetra Deluxe Aquatic Turtle Kit, 20-Gallon, 30 x 12 x 12-Inches
- This kit includes all the essentials needed for success, such as: a decorative filter, cartridges, basking platform, heating lamps, boxwood plant mat and screen top
- The Decorative ReptoFilter instantly creates a beautiful waterfall and basking area, while providing three-stage filtration
- Two dome lamps are located in the screen above the tank for warmth and prime basking
- This 20 gallon tank measures 30" x 12" x 12". ReptoMin Baby Floating Food Stick and AquaSafe samples
- Let your reptile bask in the light as your terrarium becomes the focal point of any room
Bestseller No. 4 
Imagitarium Brooklyn Metal Tank Stand - for 40 Gallon Tanks
- Made with durable solid steel and sturdy construction
- Fish tank stand features adjustable feet for leveling before you add your tank
- Sleek and modern design with black finish
- Looks great with any aquarium or terrarium
- Available in a variety of sizes to suit your needs and the size of your tank
Bestseller No. 5 
SeaClear 40 gal Acrylic Aquarium Combo Set, 36 by 15 by 16", Clear
- Combo includes aquarium, reflector and electrical 24" light fixture
- Acrylic aquariums are clearer than glass, 17 times stronger, and only half the weight!
- More impact resistant and less prone to chipping or cracking than glass, making it safer around children and pets
- Safe for Salt or Freshwater
- You won't believe how your fish and decorations will pop when viewing this beautiful SeaClear aquarium
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