Best Freshwater Fish Tanks & Aquariums 2026: According to Reviews | Chewy

Best Freshwater Aquariums

A freshwater aquarium can turn almost any room into a calmer, more relaxing space while giving fish a comfortable environment to thrive. Aquarium setups range from compact beginner tanks to larger displays with built-in filtration and lighting systems, but no matter your goal, it's important to find a tank that will last and that looks nice. Choosing the right aquarium often depends on your available space, level of maintenance needed, and the type of fish you plan to keep.

Our Top Picks

How we created this freshwater fish tanks & aquarium list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best freshwater fish tanks & aquarium.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best freshwater fish tanks & aquariums.

Key freshwater fish tanks & aquarium considerations

Design and Functionality

Durability

Filtration System

Size and Capacity

1
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal

Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 5-gal

Rated 4.5 out of 5 stars
63
$59.99 Chewy Price
($12.00/gl)
Promo, New Customers Only: Spend $49+, get $25 eGift Card

Our ratings

Design and Functionality

4.7/5
Excellent

Durability

4.7/5
Excellent

Filtration System

4.8/5
Excellent

Size and Capacity

4.6/5
Excellent

Is this freshwater fish tanks & aquarium right for my pet?

Material

Silicone, Glass

Aquarium Type

Saltwater, Freshwater

Capacity (Max)

5-gal

Fish Type

Marine Fish, Tropical Freshwater
2
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal

Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 2.5-gal

Rated 4.4 out of 5 stars
174
$59.98 Chewy Price
($24.00/gl)
Promo, New Customers Only: Spend $49+, get $25 eGift Card

Our ratings

Design and Functionality

4.6/5
Excellent

Durability

4.5/5
Great

Filtration System

4.6/5
Excellent

Size and Capacity

4.4/5
Great

Is this freshwater fish tanks & aquarium right for my pet?

Material

Plastic, Acrylic

Aquarium Type

Freshwater

Capacity (Max)

2.5-gal

Fish Type

Betta, Tropical Freshwater
3
Marina 10G LED Aquarium Kit, 10-gal
Marina 10G LED Aquarium Kit, 10-gal
Marina 10G LED Aquarium Kit, 10-gal
Marina 10G LED Aquarium Kit, 10-gal
Marina 10G LED Aquarium Kit, 10-gal
Marina 10G LED Aquarium Kit, 10-gal
Marina 10G LED Aquarium Kit, 10-gal
Marina 10G LED Aquarium Kit, 10-gal
Marina 10G LED Aquarium Kit, 10-gal

Marina 10G LED Aquarium Kit, 10-gal

Rated 4.6 out of 5 stars
81
$129.99 Chewy Price
($13.00/gl)
Promo, New Customers Only: Spend $49+, get $25 eGift Card

Our ratings

Design and Functionality

4.4/5
Great

Durability

4.6/5
Excellent

Filtration System

4.4/5
Great

Size and Capacity

4.5/5
Great

Is this freshwater fish tanks & aquarium right for my pet?

Material

Glass

Aquarium Type

Freshwater

Capacity (Max)

10-gal

Fish Type

Freshwater Invertebrate, Betta, Tropical Freshwater
4
Tetra Glass Aquarium, 20-gal
Tetra Glass Aquarium, 20-gal
Tetra Glass Aquarium, 20-gal
Tetra Glass Aquarium, 20-gal
Tetra Glass Aquarium, 20-gal

Tetra Glass Aquarium, 20-gal

Rated 4.7 out of 5 stars
22
$84.84 Chewy Price
($4.25/gl)
Promo, New Customers Only: Spend $49+, get $25 eGift Card

Our ratings

Design and Functionality

4.8/5
Excellent

Durability

4.7/5
Excellent

Filtration System

4.3/5
Great

Size and Capacity

4.8/5
Excellent

Is this freshwater fish tanks & aquarium right for my pet?

Material

Glass

Aquarium Type

Saltwater, Freshwater

Capacity (Max)

20-gal

Fish Type

Betta, Bottom Feeder, Cichlid, Discus...
5
Marineland Portrait Blade Light Aquarium Kit, 5-gal
Marineland Portrait Blade Light Aquarium Kit, 5-gal
Marineland Portrait Blade Light Aquarium Kit, 5-gal
Marineland Portrait Blade Light Aquarium Kit, 5-gal
Marineland Portrait Blade Light Aquarium Kit, 5-gal
Marineland Portrait Blade Light Aquarium Kit, 5-gal
Marineland Portrait Blade Light Aquarium Kit, 5-gal

Marineland Portrait Blade Light Aquarium Kit, 5-gal

Rated 4.1 out of 5 stars
167
$109.99 Chewy Price
($22.00/gl)
Promo, Save 15% with code EARLY15

Our ratings

Design and Functionality

4.4/5
Great

Durability

4.3/5
Great

Filtration System

4.2/5
Great

Size and Capacity

4.4/5
Great

Is this freshwater fish tanks & aquarium right for my pet?

Material

Glass

Aquarium Type

Freshwater

Capacity (Max)

5-gal

Fish Type

Betta, Tropical Freshwater
6
Fluval Aquarium Kit, 16-gal
Fluval Aquarium Kit, 16-gal
Fluval Aquarium Kit, 16-gal
Fluval Aquarium Kit, 16-gal
Fluval Aquarium Kit, 16-gal
Fluval Aquarium Kit, 16-gal
Fluval Aquarium Kit, 16-gal
Fluval Aquarium Kit, 16-gal
Fluval Aquarium Kit, 16-gal

Fluval Aquarium Kit, 16-gal

Rated 4.3 out of 5 stars
28
$287.99 Chewy Price
($18.00/gl)
Promo, New Customers Only: Spend $49+, get $25 eGift Card

Our ratings

Design and Functionality

4.6/5
Excellent

Durability

4.7/5
Excellent

Filtration System

4.8/5
Excellent

Size and Capacity

4.5/5
Great

Is this freshwater fish tanks & aquarium right for my pet?

Material

Glass

Aquarium Type

Freshwater

Capacity (Max)

16-gal

Fish Type

Discus, Tropical Freshwater
7
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal
Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal

Aqueon Smart Clean Filtration LED Fish Aquarium Starter Kit, 10-gal

Rated 4.4 out of 5 stars
40
$126.01 Chewy Price
($12.61/gl)
Promo, Buy 3, get 4th free- mix & match

Our ratings

Design and Functionality

4.9/5
Excellent

Durability

4.6/5
Excellent

Filtration System

4.7/5
Excellent

Size and Capacity

4.7/5
Excellent

Is this freshwater fish tanks & aquarium right for my pet?

Material

Glass

Aquarium Type

Freshwater

Capacity (Max)

10-gal

Fish Type

Goldfish, Tropical Freshwater
8
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal

Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal

Rated 4.5 out of 5 stars
25
$262.86 Chewy Price
($11.95/gl)
Promo, New Customers Only: Spend $49+, get $25 eGift Card

Our ratings

Design and Functionality

4.7/5
Excellent

Durability

4.6/5
Excellent

Filtration System

4.7/5
Excellent

Size and Capacity

4.6/5
Excellent

Is this freshwater fish tanks & aquarium right for my pet?

Material

Silicone, Glass

Aquarium Type

Saltwater, Freshwater

Capacity (Max)

22-gal

Fish Type

Freshwater Invertebrate, Bottom Feeder, Goldfish, Marine Fish...
9
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal
Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal

Tetra Complete Tropical Fish Aquarium Kit with LED Lighting, 10-gal

Rated 4.2 out of 5 stars
73
$76.74 Chewy Price
($7.68/gl)
Promo, Save 15% with code EARLY15

Our ratings

Design and Functionality

4.3/5
Great

Durability

4.2/5
Great

Filtration System

4.1/5
Great

Size and Capacity

4.5/5
Great

Is this freshwater fish tanks & aquarium right for my pet?

Material

Glass

Aquarium Type

Freshwater

Capacity (Max)

10-gal

Fish Type

Freshwater Invertebrate, Betta, Goldfish, Tropical Freshwater
10
Frisco Aquarium, 5.5-gal
Frisco Aquarium, 5.5-gal
Frisco Aquarium, 5.5-gal

Frisco Aquarium, 5.5-gal

Rated 4.4 out of 5 stars
54
$40.49 Chewy Price
($7.37/gl)
Promo, New Customers Only: Spend $49+, get $25 eGift Card

Our ratings

Design and Functionality

4.0/5
Great

Durability

3.8/5
Good

Filtration System

3.9/5
Good

Size and Capacity

3.9/5
Good

Is this freshwater fish tanks & aquarium right for my pet?

Material

Plastic, Glass

Aquarium Type

Freshwater

Capacity (Max)

5.5-gal

Fish Type

Betta, Goldfish, Tropical Freshwater

Frequently Asked Questions about Freshwater Fish Tanks & Aquariums

What is the difference between an aquarium kit and a standalone tank, and who should choose each?

Aquarium kits package the tank with needed accessories like filtration and lighting, which simplifies setup and helps you match components to the tank size. A standalone tank gives you the freedom to choose every piece of equipment, making it a better fit for custom builds or specific stocking plans. If you want a faster start with fewer decisions, a kit is handy while a bare tank suits keepers who prefer to handpick gear.

Can a freshwater aquarium be repurposed for saltwater later?

Some aquariums are made for both freshwater and saltwater, which is noted in the tank's specifications. If you plan to switch, expect to replace or add equipment and start with a complete clean setup using the correct water and filtration for marine conditions. Checking compatibility up front lets you future-proof your purchase even if you are starting with freshwater.