Cyber Week: EXTRA 20% OFF thousands of items with code: CYBER thru 12/7* >

Shop by fish

Fish & reptile deals

Catch these must-haves & save thru 1/4*

Shop by category

Shop by tank size

How to Set Up an Aquarium

Shop must-have essentials to navigate life with fish.

Fish

(1029 results)
Top Fin® Essentials Aquarium Starter Kit
8 sizes

Top Fin® Essentials Aquarium Starter Kit

(4255)
$67.49 - $262.49
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
Aqueon Standard Glass Rectangle Aquarium
7 sizes

Aqueon Standard Glass Rectangle Aquarium

(293)
$14.99 - $164.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
Fluval® FX6 Aquarium Canister Filter

Fluval® FX6 Aquarium Canister Filter

(206)
$629.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon

Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon

(427)
$44.99
$59.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
Merry & Bright® Holiday Tree Light-Up Aquarium Décor

Merry & Bright® Holiday Tree Light-Up Aquarium Décor

(0)
$6.74
$8.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Shipping On Orders $49+.
Marineland Open Glass Aquarium
3 sizes

Marineland Open Glass Aquarium

(168)
$33.74 - $224.99
Online Only! Save 20% on your purchase with code CYBER
Top Fin® Fascinate Column Starter Kit

Top Fin® Fascinate Column Starter Kit

(310)
$89.99
$119.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
Top Fin® Large Power Filter Cartridges

Top Fin® Large Power Filter Cartridges

(279)
$27.99
Online Only! Save 20% on your purchase with code CYBER
Buy 1, get 2nd 25% off aquatic media
+ 3 more
Top Fin® Pre-Conditioned Aquarium Water
2 sizes

Top Fin® Pre-Conditioned Aquarium Water

(230)
$16.99 - $19.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Fluval® Plant Stratum Aquarium Substrate

Fluval® Plant Stratum Aquarium Substrate

(121)
$44.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® Compact Aquarium Heater
3 sizes

Top Fin® Compact Aquarium Heater

(485)
$22.39 - $34.39
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Seachem® Prime® Aquarium Water Conditioner
3 sizes

Seachem® Prime® Aquarium Water Conditioner

(369)
$7.99 - $17.99
Online Only! Save 20% on your purchase with code CYBER
Sign in & Save 25% on your first Autoship Order!
+ 2 more
Merry & Bright® Fireplace Light-Up Aquarium Décor

Merry & Bright® Fireplace Light-Up Aquarium Décor

(2)
$11.24
$14.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Shipping On Orders $49+.
Merry & Bright® Santa Bubbler Aquarium Décor

Merry & Bright® Santa Bubbler Aquarium Décor

(1)
$6.74
$8.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Shipping On Orders $49+.
Marineland High-Definition LED Ensemble - 125G

Marineland High-Definition LED Ensemble - 125G

(30)
$974.99
$1,299.99
Online Only! Save 20% on your purchase with code CYBER
Marineland® High Definition LED Ensemble - 75 Gallon

Marineland® High Definition LED Ensemble - 75 Gallon

(570)
$719.99
$959.99
Online Only! Save 20% on your purchase with code CYBER
Fluval® 407 Performance Aquarium Canister Filter

Fluval® 407 Performance Aquarium Canister Filter

(124)
$399.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Fluval® FX4 Aquarium Canister Filter

Fluval® FX4 Aquarium Canister Filter

(125)
$549.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Fluval FX2 Aquarium Canister Filter

Fluval FX2 Aquarium Canister Filter

(36)
$449.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo

Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo

(70)
$359.99
$479.99
Online Only! Save 20% on your purchase with code CYBER
Fluval® 307 Performance Aquarium Canister Filter

Fluval® 307 Performance Aquarium Canister Filter

(101)
$349.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® Bow Front Aquarium Starter Kit - 36 Gallon

Top Fin® Bow Front Aquarium Starter Kit - 36 Gallon

(468)
$224.99
$299.99
Online Only! Save 20% on your purchase with code CYBER
Fluval® 207 Performance Aquarium Canister Filter

Fluval® 207 Performance Aquarium Canister Filter

(81)
$264.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® Captivate Starter Kit

Top Fin® Captivate Starter Kit

(416)
$123.74
$164.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
Instant Ocean® Sea Salt
2 sizes

Instant Ocean® Sea Salt

(83)
$27.99 - $77.99
Online Only! Save 20% on your purchase with code CYBER
Sign in & Save 25% on your first Autoship Order!
+ 2 more
Top Fin® Mystic Oak Finish Aquarium Stand
3 sizes

Top Fin® Mystic Oak Finish Aquarium Stand

(44)
$52.49 - $127.49
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
API® Freshwater Aquarium Master Test Kit

API® Freshwater Aquarium Master Test Kit

(295)
$46.74
$54.99
Online Only! Save 20% on your purchase with code CYBER
Sign in & Save 25% on your first Autoship Order!
+ 2 more
Fluval Plant & Shrimp Stratum

Fluval Plant & Shrimp Stratum

(8)
$74.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
CaribSea Super Naturals Aquarium Sand - Moonlight White

CaribSea Super Naturals Aquarium Sand - Moonlight White

(102)
$34.99
Online Only! Save 20% on your purchase with code CYBER
Sign in & Save 25% on your first Autoship Order!
+ 2 more
Fluval AC Power Filter
4 sizes

Fluval AC Power Filter

(107)
$64.99 - $149.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes

Top Fin® PF-S Silenstream Aquarium Filter Cartridges

(234)
$11.99 - $27.99
Online Only! Save 20% on your purchase with code CYBER
Buy 1, get 2nd 25% off aquatic media
+ 3 more
Aqua Natural Aquarium Sand - Galaxy Black

Aqua Natural Aquarium Sand - Galaxy Black

(91)
$29.99
Online Only! Save 20% on your purchase with code CYBER
Sign in & Save 25% on your first Autoship Order!
+ 2 more
CaribSea Super Naturals Aquarium Sand - White

CaribSea Super Naturals Aquarium Sand - White

(25)
$29.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® Split Bowfront Aquarium - 5 Gallon

Top Fin® Split Bowfront Aquarium - 5 Gallon

(766)
$56.24
$74.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
Top Fin® Element EF-S Filter Cartridges
3 sizes

Top Fin® Element EF-S Filter Cartridges

(373)
$11.99 - $27.99
Online Only! Save 20% on your purchase with code CYBER
Buy 1, get 2nd 25% off aquatic media
+ 3 more
Top Fin® Silenstream™ Small Filter Cartridges

Top Fin® Silenstream™ Small Filter Cartridges

(65)
$19.99
Online Only! Save 20% on your purchase with code CYBER
Buy 1, get 2nd 25% off aquatic media
+ 3 more
Fluval® Submersible Aquarium Heater

Fluval® Submersible Aquarium Heater

(242)
$47.99 - $59.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes

Top Fin® Aquarium Hinged Glass Lid

(216)
$14.39 - $47.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Aqua Natural Aquarium Substrate - Gold Pearl

Aqua Natural Aquarium Substrate - Gold Pearl

(21)
$17.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
Top Fin® Premium Aquarium Gravel - Classic Beach

Top Fin® Premium Aquarium Gravel - Classic Beach

(66)
$9.99
Online Only! Save 20% on your purchase with code CYBER
Enjoy Free Same-day delivery!
+ 1 more
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. ...
  8. 25
Download on the App StoreDownload on the Google Play Store
Copyright © 2025 PetSmart LLC
RecallsTerms of Use Privacy Policy Interest-Based Ads Canada Modern Slavery Act
*See Promotional Terms Page for details. Exclusions may apply. While supplies last. Prices & selection may vary by store & online.