Aquariums & Fish Tanks

Discover a wide selection of fish tanks for sale at Pets Warehouse, featuring high-quality glass aquarium tanks designed for beginners, hobbyists, and advanced aquarists.

Whether you’re building your first aquarium or upgrading an existing setup, our tanks are built for clarity, durability, and long-term performance. All aquariums are available with nationwide shipping, and local pickup is available on all items.

Filter and sort

Filter and sort

153 products

Brand
Pet
Features

153 products

153 products

Brand
Pet
Features

SPECTRUM BRANDS

Aquarium

$79.99
 per 
Sale

Marineland

Aquarium

$1,599.99
$1,279.99
 per 
Sale

Marineland

Aquarium

$798.99
$769.99
 per 

SPECTRUM BRANDS

Aquarium

$89.99
 per 

Marineland

Aquarium

$299.99
 per 

AQUEON

Aquarium

$769.99
 per 

Zoo Med

Aquarium

$189.99
 per 

Marineland

Aquarium

$299.99
 per 

Marineland

Aquarium

$182.99
 per 

Anchor Hocking

Aquarium

$14.99
 per 

Marineland

Aquarium

$499.99
 per 

Petswarehouse

Aquarium

$39.99
 per 

AQUEON

Aquarium

$1,599.99
 per 
Sale

AQUEON

Aquarium

$1,469.99
$1,339.99
 per 

Anchor Hocking

Aquarium

$44.99
 per 

Marineland

Aquarium

$139.99
 per 

AQUEON

Aquarium

$998.99
 per 
Sale

Prime Tanks

Aquarium

$169.99
$144.98
 per 

Marineland

Aquarium

$26.99
 per 

AQUEON

Aquarium

$299.99
 per 

Marineland

Aquarium

$24.99
 per 

AQUEON

Aquarium

$106.99
 per 

AQUEON

Aquarium

$75.99
 per 

AQUEON

Aquarium

$371.99
 per 

AQUEON

Aquarium

$85.99
 per 

Tetra

Aquarium

$18.99
 per 

Recently viewed products

How to Choose the Right Fish Tank

Selecting the right fish tank depends on the species you plan to keep, the available space, and your experience level. Many aquarists pair their tanks with glass aquarium lids to reduce evaporation and prevent fish from jumping.

Glass Fish Tanks vs Other Aquarium Options

Glass fish tanks offer superior clarity and long-term durability compared to acrylic alternatives. They are scratch-resistant, easy to clean, and compatible with most lighting and filtration systems.

Fish Tank Sizes Explained

  • Small tanks (5–10 gallons): Ideal for bettas and nano fish
  • Medium tanks (20–40 gallons): Great for community fish
  • Large tanks (55+ gallons): Best for cichlids and marine aquariums

Complete Your Aquarium Setup

To create a healthy aquarium environment, explore our selection of frozen fish food, filtration systems, and lighting solutions designed to support long-term fish health.

Why Buy Fish Tanks from Pets Warehouse?

  • Wide range of aquarium sizes
  • Trusted aquarium manufacturers
  • Nationwide shipping available
  • Local pickup on all fish tanks
  • Expert customer support