10 Best Starter Fish Tank of December 2025

• 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

• Tetra Glass Aquariums are made in the USA and are built to last with scratch resistant glass
• The Tetra Aquarium comes loaded with an LED hood, that provides a natural daytime effect and a Whisper Filter that is whisper quiet while providing powerful, dependable water flow
• Artificial Plants add a unique, natural ocean feel while giving your fish a place to hide which reduces fish stress
• The Tetra Kit includes: one 20 Gallon Glass Aquarium, one LED hood, one Tetra Mini UL Heater, one Tetra Whisper 20 Filter, one artificial Boxwood Plant Mat, four artificial plants. Add gravel and fish to complete your aquarium
• Aquarium Dimensions: 24.2" L x 12.4" W x 16.7" H

Tetra

• 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

• INCLUDES ALL THE ESSENTIALS FOR SUCCESS: This GloFish aquarium kit includes a 20 gallon glass aquarium, LED hood, Tetra mini UL heater, Tetra Whisper 20 filter, GloFish 13" LED light stick, 1 GloFish yellow anemone, 2 plant multipacks, fish food and water conditioner sample as well as a set-up guide.
• BLUE LED LIGHTING TRANSFORMS YOUR AQUARIUM: The blue LED light completely transforms your aquarium. GloFish and GloFish d?cor fluoresce, creating a colorful, neon display.
• COMPLETE THE LOOK WITH COLORFUL ADDITIONS: Complete the look by adding pops of color among any gravel you choose with the varying plant sizes and colors included.
• DIMENSIONS: The 20 Gallon Aquarium dimensions are 24.2" L x 12.5" W x 16.2" H

GloFish

• 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

• STARTER KIT: Includes all the essentials for success, starting with a 1.
• 5 gallon aquarium with clear plastic canopy.
• EASY SETUP: This colorful tank is perfect for beginners and hobbyists alike.
• BLUE LED LIGHTS: Brilliant blue LED lights give GloFish fluorescent fish and accessories a uniquely fluorescent look, particularly in dark settings.
• Age Range Description: All Life Stages

GloFish

• 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

• 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

• 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

• 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