10 Best Small Aquarium of December 2025

• aquarium KIT Hexagon-shaped aquarium kit is perfect for betta fish
• COLORFUL Bubbling disc automatically cycles through a rainbow of LED light colors
• INCLUDES FILTER Includes air pump-driven Tetra Whisper Internal Power Filter to keep your tank clean and provide a healthy environment for pet fish
• AIR PUMP Drives both the bubbling disc and the filter
• CONVENIENT Clear canopy has a hole for easy feeding
• Age Range Description: All Life Stages

Tetra

• SLEEK DESIGN: Rounded corners and clear glass canopy allow viewing from multiple angles.
• DAYLIGHT/MOONLIGHT SETTINGS: Bright white LEDs create a shimmering sunlight effect; blue LEDs produce a moonlit glow.
• EASY ACCESS: Hinged LED rail light and sliding glass canopy.
• DIMENSIONS: The Marineland Contour 3 aquarium measures 9. 5 inches x 10 inches.

MarineLand

• Acrylic half-gallon Aquarium
• Castle-shaped lid with Feeding Hole
• Kit includes: Aquarium Plant and decorative gravel
• Aqueon betta Food and water care samples also included
• Ideal for a Single betta or small Tropical Fish
• Ships in own container with reinforced packaging to protect product during shipping.

Aqueon

• Low-maintenance, economical kit to get you started
• Half gallon betta aquarium includes divider for housing up to two betta per aquarium
• Easy-open feeding door allows for feeding betta without taking the entire lid off
• Aquarium plant, gravel, and samples of food & water care included!
• Aqueon Mini Heater or Flat Heater recommended
• Change water weekly to keep betta healthy

Aqueon

• Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red.
• 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 Small replacement filter cartridges (AQ10FC-60).
• Manufactured of impact-resistant plastic with crystal-clear clarity so good that most think it's made of glass along with one-piece construction providing superior strength and durability. Unlike glass tanks glued together with silicone, this trendy shaped tank puts to rest any worries or concerns about possible leaks.
• Easy to set up and maintain, this trendy fish tank will look good wherever you place it. Dimensions: 14. 2"L x 10"W x 11. 5"H.
• If you need a part or help, please contact us at customercare@kollerproducts for fast, friendly service.
• 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.
• Included Components: User Set-Up Instructions

Koller Products

• Energy-efficient LED lighting with 7 dazzling color selections to brightly illuminate your fish; choose daylight white, blue, green, amber, aqua, purple, or red
• Aquarium lights can be turned on or off for easy night time operation
• Unique LED Lighting and filtration included
• Are you looking to buy an aquarium for your family; owning an aquarium can be a really fun and rewarding experience and an ideal way to teach your child the responsibility of pet ownership

Koller Products

• TRENDY DESIGN: Ideal for your tropical fish, this trendy aquarium will look good wherever you place it, easy to set up and easy to maintain.
• 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 25 gallons per hour effectively removing organic pollutants including discoloration, odors, heavy metals, and toxic gases. Uses Koller Products XS replacement filter cartridges (AQ05FC-30), available on Amazon.
• OPTIMUM VIEWING: Crystal-clear clarity so good that most think it's glass, constructed of impact-resistant plastic providing leak-proof assurance.
• DIMENSIONS: 10.2 DIA x 10.5 H Inches

Koller Products

• 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

• aquarium KIT Half-moon shape allows 180-degree panoramic viewing – starter kit has everything you need
• BUBBLE CURTAIN Bubbling disc automatically cycles through a rainbow of LED light colors
• INCLUDES FILTER Includes air pump-driven Tetra Whisper Internal Power Filter to keep your tank clean and provide a healthy environment for pet fish
• AIR PUMP Drives both the bubbling disc and the filter
• CONVENIENT Clear canopy has a hole for easy feeding

Tetra

• 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