Deals on fish & aquariums

Build your most beautiful underwater ecosystem yet

Fish Shops

(1402 results)
Aqueon Standard Glass Rectangle Aquarium
6 sizes
(257)
$11.49 - $94.99
Buy any open glass tank, Get 20% off a glass hood
Free Same-Day Delivery, No Order Minimum!
Top Fin® Essentials Aquarium Starter Kit
8 sizes
(4168)
$55.99 - $191.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon
(415)
$43.99
$54.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Large Power Filter Cartridges
(273)
$17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Pre-Conditioned Aquarium Water
2 sizes
(218)
$13.99 - $14.99
Buy 1 Get the 2nd 25% Off Top Fin Food & Watercare (excludes Pond)
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Prime® Aquarium Water Conditioner
4 sizes
(359)
$3.79 - $16.69
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Java Fern Live Plant
(37)
$4.49
$6.99
Free Same-Day Delivery, No Order Minimum!
Fluval® FX6 Aquarium Canister Filter
(200)
$369.99
$419.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Marineland Open Glass Aquarium
3 sizes
(134)
$14.99 - $149.99
Buy any open glass tank, Get 20% off a glass hood
Fluval® 407 Performance Aquarium Canister Filter
(118)
$229.99
$269.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Bow Front Aquarium Starter Kit -  36 Gallon
(461)
$155.99
$194.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Silenstream™ Small Filter Cartridges
(63)
$14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 3 more
Top Fin® Fascinate Column Starter Kit
(302)
$71.99
$89.99
Free Same-Day Delivery, No Order Minimum!
API® Freshwater Aquarium Master Test Kit
(293)
$35.99
$39.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Instant Ocean® Sea Salt
2 sizes
(83)
$21.19 - $51.59
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Fluval® Plant Stratum Aquarium Substrate
(119)
$23.69
$28.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 1 more
Fluval Aquaclear Aquarium Power Filter
4 sizes
(94)
$42.99 - $97.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
CaribSea Super Naturals Aquarium Sand - Moonlight White
(96)
$19.99
$29.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Element EF-S Filter Cartridges
3 sizes
(365)
$8.99 - $17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Fluval Plant & Shrimp Stratum
(8)
$46.49
$49.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes
(225)
$8.99 - $17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes
(188)
$16.99 - $58.99
Buy any open glass tank, Get 20% off a glass hood
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Internal Filter Cartridges
(30)
$7.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 3 more
Aqua Natural Aquarium Sand - Galaxy Black
2 sizes
(87)
$14.39 - $24.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
CaribSea Super Naturals Aquarium Sand - White
(22)
$19.99
$27.99
3X points (6% back in savings) on all aquatic gravel
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Compact Aquarium Heater
3 sizes
(467)
$14.59 - $33.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
CaribSea African Cichlid Mix Aquarium Substrate
(37)
$15.39
$29.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Premium Aquarium Gravel - Classic Beach
(64)
$7.99
3X points (6% back in savings) on all aquatic gravel
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1481)
$12.99 - $49.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
API® E.M. Erythromycin Fish Bacterial Infection Treatment
(73)
$17.89
$26.49
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Omega™One Frozen Blood Worms Fish Food
(202)
$8.99
$9.99
Buy 1 Get the 2nd 25% off All Frozen Fish Food
Free Same-Day Delivery, No Order Minimum!
API® Stress Coat Tap Water Aquarium Conditioner
6 sizes
(357)
$2.29 - $37.59
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(45)
$7.99 - $25.99
3X points (6% back in savings) on all aquatic gravel
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Omega™One Frozen Bloodworms
(178)
$9.99
Buy 1 Get the 2nd 25% off All Frozen Fish Food
Free Same-Day Delivery, No Order Minimum!
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes
(190)
$3.99 - $8.39
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Aqua Natural Aquarium Sand - White
(62)
$14.39
$14.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
API® Quick Start Aquarium Cycling Water Conditioner
3 sizes
(144)
$8.99 - $17.39
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
GloFish® Aquarium Gravel
1 size 4 colors
(126)
$4.09
$6.99
3X points (6% back in savings) on all aquatic gravel
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Anubias Barteri Live Plant
(39)
$4.49
$6.99
Free Same-Day Delivery, No Order Minimum!
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Fish Supplies  

With a wide range of supplies, beginners to experienced aquarists are sure to be able to find supplies to create a thriving underwater world. From setting up your first fish tank to finding more specialty products like betta fish tanks, or goldfish supplies, and more, we have got everything you need.  What Do You Need to Own a Fish? When starting a fishkeeping journey there are some essential items needed for your aquatic pet’s comfort as well as health.  PetSmart’s selection includes: 
  • Fish tanks: Available in various sizes to suit your home and the needs of your fish. 
  • Betta tanks: Tailored designs for the unique needs of betta fish. 
  • Goldfish supplies: Food, filters, and tank accessories for your goldfish. 
  • Tropical supplies: Heaters, décor, and care essentials for tropical fish species. 
  • Fish feeders: Automated or manual options to maintain consistent feeding schedules. 
Creating the Perfect Aquarium 
PetSmart is here to provide everything you need for success during the exciting process of building an aquarium: 
  • Fish tanks in a variety of sizes and styles. 
  • High-quality fish aquariums with durable materials and filtration systems. 
  • Décor and substrate to design a visually appealing underwater home. 
Dive into Fishkeeping 
Whether you're caring for a single betta fish or creating a multi-species aquarium, PetSmart has the products and expertise to make your aquatic adventure a success. Visit us today to explore the best in betta fish tanks, goldfish supplies, and everything in between. Make your aquarium dreams a reality with PetSmart, your trusted fish store for all your aquatic needs! 
Frequently Asked Questions (FAQs) 
What do I need to own a fish? 
At a minimum, you’ll need a tank, water conditioner, a filter, fish food, and a heater for tropical species. Additional items like décor and plants can enhance your fish's environment. 
What supplies do I need to start a fish tank? 
You’ll need a tank, substrate, water conditioner, filter, thermometer, heater (for tropical species), and test kits to monitor water quality. 
How often should I feed fish? 
Most fish should be fed once or twice daily in small portions they can consume in a few minutes.