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  1. Home
  2. Fish
  3. General

The Best Fish Tanks for Happy and Healthy Finned Friends

Kristen Arendt
By Kristen Arendt
Updated
May 8, 2025
best fish tanks

Photo by Chewy

As any fish enthusiast knows, having a home aquarium is a rewarding experience. However, making sure your fish have the proper environment is essential to helping them not only survive, but thrive. The best fish tanks are sturdy, secure and a breeze to set up and clean. Whether you purchase a glass or acrylic tank, you’ll want an aquarium that is easy to see into as well as the appropriate size for your fish.

We’ve rounded up some of Chewy’s best-selling and top-rated fish tanks to help with your shopping. These best fish aquariums are aquarist tested, rated and approved—so you can feel confident you’re purchasing the very best home for your favorite finned friends.

Best 20-Gallon Fish Tank

Marina LED Aquarium Kit, 20-gal

Shop item ($109.99)Read More

Best 10-Gallon Fish Tank

Aqueon LED Fish Aquarium Starter Kit, 10-gal

Shop item ($93.86)Read More

Best 5-Gallon Fish Tank

Frisco Aquarium, 5.5-gal

Shop item ($40.49)Read More

Best Big Fish Tank

Fiji Cube AIO Rimless Glass Tank, 32-gal

Out of Stock
Shop similar itemsRead More

Best Betta Fish Tank

Frisco 3 Betta Aquarium with Divider/Top, 1.7-gal

Out of Stock
Shop similar itemsRead More

Best Modern Fish Tank

biOrb FLOW LED Aquarium, White, 4-gal

Out of Stock
Shop similar itemsRead More

Best Budget Tank

Aqueon Standard Glass Rectangle Aquarium, 10-gal

Out of Stock
Shop similar itemsRead More

Best Beginner Fish Tanks

Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 5-gal

Shop item ($72.99)Read More

Best Saltwater Fish Tank

Fiji Cube AIO Rimless Glass Tank, 20-gal

Out of Stock
Shop similar itemsRead More

Best 20-Gallon Fish Tank


Marina LED Aquarium Kit, 20-gal slide 1 of 9
Marina LED Aquarium Kit, 20-gal
Rated 3.8 out of 5 stars
3.8
43Reviews
$109.99Chewy Price
$189.99List Price

If you’re new to fish keeping and shopping for 20-gallon aquariums, this starter kit is the best freshwater fish tank. It comes with a care guide and everything you need to set up, stock and maintain your tank. Chewy customers especially love the easy setup and that the filter keeps the water crystal clear.

Best 10-Gallon Fish Tank


Aqueon LED Fish Aquarium Starter Kit, 10-gal slide 1 of 9
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Rated 4.3 out of 5 stars
4.3
138Reviews
$93.86Chewy Price
$104.99List Price

This 10-gallon aquarium comes with all the fish tank essentials to get you started—plus a few nice extras like premium fish food, a fish net and easy-to-follow guide. First-time fishkeepers found it to be the best 10-gallon fish tank for setting up a new aquarium from scratch.

Best 5-Gallon Fish Tank


Frisco Aquarium, 5.5-gal slide 1 of 3
Frisco Aquarium, 5.5-gal
Rated 4.6 out of 5 stars
4.6
42Reviews
$40.49Chewy Price

Looking for a small fish tank for a single finned friend? This tidy tank has a sleek design that will complement your home or office decor. Plus, the diamond-polished edges and commercial-grade silicone sealant ensure you don’t have to worry about sharp edges or leaks.

Best Big Fish Tank


Fiji Cube AIO Rimless Glass Tank, 32-gal slide 1 of 4
Out of Stock
Fiji Cube AIO Rimless Glass Tank, 32-gal
Rated 5 out of 5 stars
5.0
1Review
$453.59Chewy Price
Shop similar items

In the world of large fish tanks, this 32-gallon rimless glass tank would make the perfect saltwater aquarium. The ultra-clear, low iron glass makes it easy to see inside so you won’t be distracted by glare when watching your underwater buddies explore their tank.

Best Betta Fish Tank


Frisco 3 Betta Aquarium with Divider/Top, 1.7-gal slide 1 of 4
Out of Stock
Frisco 3 Betta Aquarium with Divider/Top, 1.7-gal
Rated 4.1 out of 5 stars
4.1
47Reviews
$29.99Chewy Price
Shop similar items

With this tank, you can keep your bettas calm even when they’re sharing a glass wall with a fellow betta roommate. This aquarium features partitions that prevent snippy and flamboyant betta behavior so you can safely house your fish next to each other.

Best Modern Fish Tank


biOrb FLOW LED Aquarium, White, 4-gal slide 1 of 3
Out of Stock
biOrb FLOW LED Aquarium, White, 4-gal
Rated 4 out of 5 stars
4.0
2Reviews
$99.00Chewy Price
Shop similar items

If you want a unique fish tank that makes a statement, this modern fish tank has an eye-catching design. The acrylic tank can be used with either freshwater or saltwater setups. And the high-tech, 5-stage filtration system keeps their water clean and clear.

Best Budget Tank


Aqueon Standard Glass Rectangle Aquarium, 10-gal slide 1 of 8
Out of Stock
Aqueon Standard Glass Rectangle Aquarium, 10-gal
Rated 4.5 out of 5 stars
4.5
24Reviews
$46.99Chewy Price
Shop similar items

A budget-friendly option that is still roomy enough for all your swimming sidekicks, this cheap fish aquarium can be used for freshwater or saltwater setups and it has a sturdy, high-quality glass construction.

Best Beginner Fish Tanks


Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 5-gal slide 1 of 8
Aqueon LED MiniBow SmartClean Fish Aquarium Kit, Black, 5-gal
Rated 4.3 out of 5 stars
4.3
129Reviews
$72.99Chewy Price
$79.99List Price

This acrylic aquarium comes with everything you need to set up a home for a few small finned friends. Plus, the SmartClean Technology system allows you to easily change the water in under two minutes—a fan-favorite feature.

Best Saltwater Fish Tank


Fiji Cube AIO Rimless Glass Tank, 20-gal slide 1 of 4
Out of Stock
Fiji Cube AIO Rimless Glass Tank, 20-gal
Rated 5 out of 5 stars
5.0
1Review
$259.19Chewy Price
Shop similar items

Set up your saltwater aquarium with one of the best rimless glass tanks for your marine fish friends. The ultra-clear, low-iron ​​glass has beveled edges for a sleek look, and the top and bottom weir design allows you to easily remove water and debris when it comes time to clean your tank.

Set your finned friends up in one of the best fish tanks for a wonderful underwater home that you both can enjoy.

Attributions


Kristen Arendt

Kristen Arendt

Kristen is a writer, editor and lover of the great outdoors. In addition to running, hiking, backpacking, biking and skiing, she enjoys
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