10 Best 5 Gallon Fish Tank of December 2025

• aquarium KIT Curved-front crescent-shaped aquarium kit is perfect for one goldfish or up to three community tropical fish
• INCLUDES FILTER Includes Tetra Whisper Internal Power Filter to keep your tank clean and provide a healthy environment for pet fish
• HIDDEN LIGHTS Bright-white energy-efficient LED lights are hidden inside the low-profile black cover
• SEAMLESS TANK Offers unobstructed viewing of your underwater environment
• 5 GALLON TANK Small size that’s perfect for a bedroom living room or dorm room (15 inches x 9 inches x 11 inches)

Tetra

• UNIVERSAL DESIGN Tetra Whisper 20i Internal Filter is an all-in-one air pump and water filter system
• INTERNAL FILTER Mounts on the inside of your aquarium with clip (included)
• CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste
• AERATES WATER Air-driven design filters up to 125 GPH while oxygenating water
• CONVENIENT DESIGN Uses large easy to change Bio-Bag cartridges filter mounts inside aquarium making it possible to place tank flush against the wall

Tetra

TFH Publications, Inc.

• Are you looking to buy an aquarium for your children? If you are, you are going to want to look at this fish tank. Owning an aquarium can be a really fun and rewarding experience and an ideal way to teach your child the responsibility of pet ownership.
• Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish, choose daylight white, blue, green, amber, aqua, purple, or red depending on time of day or your mood.
• Internal power filter cleans and purifies aquarium water at a flow rate of 45 gallons per hour effectively removing organic pollutants including discoloration, odors, heavy metals, and toxic gases. Uses Koller Products replacement filter cartridges (B086ZM4PYG) available on Amazon.
• Crystal-clear clarity so good that most think it's glass, manufactured of impact-resistant plastic providing leak-proof assurance, unlike glass tanks glued together with silicone, this one-piece tank puts to rest any worries or concerns about possible leaks.
• This trendy aquarium is a W. Dimensions: 11 Dia x 19.8 H inches

Koller Products

• For use in 10-Gallon aquariums
• Whisper air pumps provide reliable service at an economical cost
• Efficient and easy to use

Tetra

• Equipped with SmartClean(TM) Technology to perform water changes in less than 2 minute
• Improve water quality for a happy, healthy fish
• Includes aquarium vessel, hood and elevated base, power filter, small filter cartridge, fish food, water conditioner and setup guide
• Great home for small fish
• For first time and experience fish keepers of all ages
• Uses Aqueon Small Replacement Cartridge

Aqueon

• Equipped with a Tetra 3i filter to keep your tank clean and provide a perfect environment for small tropical fish.
• The tank features an LED light to show off your fish
• Lid features a convenient feeding hole. Material : Glass and acrylic
• Perfect for small tropical fish, goldfish or betta.
• 10" D x 10"W x 10.512"H
• Equipped with a Tetra 3i filter to keep your tank clean and provide a perfect environment for small tropical fish
• The tank features an LED light to highlight your fish
• The lid features a convenient feeding hole
• For small tropical fish, goldfish, or a betta
• 10" D x 10"W x 10.512"H

Tetra

• SLEEK DESIGN: Rounded corners and clear glass canopy allow viewing from multiple angles.
• DAYLIGHT/MOONLIGHT LIGHTING: Bright white LEDs create a shimmering sunlight effect; blue LEDs produce a moonlit glow.
• EASY ACCESS: Hinged LED lighting and sliding glass canopy.
• SIZE: 5-gallon aquarium fits Marineland Rite-Size Z Filter Cartridges.
• HIDDEN FILTRATION: Advanced, 3-stage filtration is out of sight, enhancing aquarium viewing.

MarineLand

• FUN and REWARDING: Are you looking to buy an aquarium for your children? If you are, you are going to want to look at this fish tank. Owning an aquarium can be a really fun and rewarding experience and an ideal way to teach your child the responsibility of pet ownership.
• DAZZLING COLORS: Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish, choose daylight white, blue, green, amber, aqua, purple, or red.
• COMPLETE FILTRATION: Powerful internal power filter cleans and purifies aquarium water at a flow rate of 45 gallons per hour effectively removing organic pollutants including discolorations, odors, heavy metals, and toxic gases. Uses Koller Products S replacement filter cartridges (AQ10FC-60).
• OPTIMUM VIEWING: Crystal-clear clarity so good that most think it's glass. Made of impact-resistant plastic providing leak-proof assurance, unlike glass tanks glued together with silicone, this one-piece tank puts to rest any worries or concerns about possible leaks.
• TRENDY DESIGN: Unique shape allows viewing from multiple angles anywhere in the room.
• DIMENSIONS: 16.50 L x 10.00 W x 11.80 H Inches.
• INCLUDES: User Set-Up Instructions and Koller Products premium filter cartridge.

Koller Products

• ★【Betta Heater】This Fish Tank Heater should be 100% submerged into water, Ideal for small glass or acrylic desktop aquariums up 1 to 6 Gallons, not suitable for less than 1 gallon tank.
• ★【Quick and Easy Installation】:Vertical or horizontal placement using, Aquarium heater automatic temperature control 78℉, no need to adjust temperature, easy to operate, fishes happy.
• ★【How it Works】: Plug in, red light turns on, the heater will start working until water temperature up to 78°F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78°F. Accuracy：±3°F
• ★【Note】: Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. It is better to install a water pump to help water circulating while heating.
• ★【SATISFACTION GUARANTEED】Our Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that you’re not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service.

PULACO