Activate & earn 5,000 points on $60+ dog products & services thru 8/30* >

Dive into savings

https://s7d2.scene7.com/is/image/PetSmart/WEB-26-4099622_NPS_F_CC2U1_DT

Earn 10X points (20% back in savings)

when you bring home a fish thru 8/30, in-store only*. Activate now.
White & red fish swimming in tank & Welcome Home Shop message

Looking for your first finned friend?

Find expert advice & trusted products here

Fintastic deals for your fish

Shop now
An "Up to 50% off badge" and an open-glass aquarium filled with fish, a rock, plants, and rocks

Up to 50% OFF

ALL essentials starter kits thru 8/30*
A "Save 50%" badge and an empty open-glass aquarium

Save 50% on open-glass aquariums

Size up & save big on select 40 – 75 gal tanks thru 8/30*
A badge that reads "All deals" and an underwater scene with various colorful fish

Shop all fish deals

Shop by category

Shop by fish

Proudly adding classroom pets to the roll call

In partnership with Pets in the Classroom, we help teachers provide hands-on learning experiences through classroom pets.

Meet & greet

Hi, we're NEW! in blue & red type

Say hello to our latest pet BFFs

Get to know new pals at your local PetSmart store

Shop by brand

Shop by tank size

How to Set Up an Aquarium

Learn what you'll need & how to put it together for a happy fish habitat.

Fish

(429 results)
Top Fin® Pre-Conditioned Aquarium Water - Fish Tank Water Care - 2.5 Gallon

Top Fin® Pre-Conditioned Aquarium Water - Fish Tank Water Care - 2.5 Gallon

(249)
$16.99
Buy 1, get the 2nd 25% OFF ALL Top Fin® food & water care products thru 8/30
Save 35% On Your First Autoship Order!
+ 2 more
API® Freshwater Aquarium Master Test Kit for pH, Ammonia, Nitrite & Nitrate

API® Freshwater Aquarium Master Test Kit for pH, Ammonia, Nitrite & Nitrate

(455)
$35.99
$39.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Prime® Aquarium Water Conditioner Chlorine & Ammonia Detoxifier
4 sizes

Seachem® Prime® Aquarium Water Conditioner Chlorine & Ammonia Detoxifier

(379)
$3.19
$6.99
Options from
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Nature's Ocean Live Nutri-Seawater for Saltwater Aquariums

Nature's Ocean Live Nutri-Seawater for Saltwater Aquariums

(37)
$20.50
$25.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges - Fish Tank Filter Cartridges - 3-12 Count
2 sizes

Top Fin® PF-S Silenstream Aquarium Filter Cartridges - Fish Tank Filter Cartridges - 3-12 Count

(242)
$8.99
Options from
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Pre-Conditioned Betta Aquarium Water Fish Tank Water Care - 1 Gallon

Top Fin® Pre-Conditioned Betta Aquarium Water Fish Tank Water Care - 1 Gallon

(12)
$11.99
Buy 1, get the 2nd 25% OFF ALL Top Fin® food & water care products thru 8/30
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes

Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner

(212)
$3.94
$4.99
Options from
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Guide Fish Problem Solving General Cure for Aquarium Fish Health

API® Guide Fish Problem Solving General Cure for Aquarium Fish Health

(62)
$16.38
$23.49
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Purigen® Premium Synthetic Absorbent - Aquarium Filter Media for Fish Tanks
2 sizes

Seachem® Purigen® Premium Synthetic Absorbent - Aquarium Filter Media for Fish Tanks

(64)
$9.19
$11.99
Options from
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Silenstream Filter Cartridge - Fish Tank Filter Cartridges - 3 Count

Top Fin® Silenstream Filter Cartridge - Fish Tank Filter Cartridges - 3 Count

(122)
$8.99
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
API® Stress Coat Tap Water Aquarium Conditioner for Tap Water Dechlorinating
6 sizes

API® Stress Coat Tap Water Aquarium Conditioner for Tap Water Dechlorinating

(540)
$2.28
$4.99
Options from
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Element EF-S Filter Cartridges - Fish Tank Filter Cartridges - 3-12 Count
3 sizes

Top Fin® Element EF-S Filter Cartridges - Fish Tank Filter Cartridges - 3-12 Count

(386)
$8.99
Options from
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
Tetra® 6-in-1 Aquarium Water Test Strips for Aquarium Water Testing

Tetra® 6-in-1 Aquarium Water Test Strips for Aquarium Water Testing

(77)
$9.99
$11.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Betta Pellets Fish Food - Betta Fish Food - 1 oz

Top Fin® Betta Pellets Fish Food - Betta Fish Food - 1 oz

(8)
$3.99
Buy 1, get the 2nd 25% OFF ALL Top Fin® food & water care products thru 8/30
Save 35% On Your First Autoship Order!
+ 2 more
Hikari® Micro Pellets® Tropical Fish Food Complete Diet

Hikari® Micro Pellets® Tropical Fish Food Complete Diet

(109)
$6.99
$8.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Instant Ocean® Sea Salt for Saltwater Aquariums
2 sizes

Instant Ocean® Sea Salt for Saltwater Aquariums

(87)
$22.39
$23.99
Options from
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Instant Ocean® Reef Crystals Aquarium Reef Salt for Marine & Reef Aquariums

Instant Ocean® Reef Crystals Aquarium Reef Salt for Marine & Reef Aquariums

(66)
$79.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Silenstream™ Large Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

Top Fin® Silenstream™ Large Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

(137)
$14.99
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
API® E.M. Erythromycin Fish Bacterial Infection Treatment for Bacterial Infections

API® E.M. Erythromycin Fish Bacterial Infection Treatment for Bacterial Infections

(77)
$17.88
$26.49
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Penguin Rite Size C Power Filter Cartridges for Fish Tank Filters

Marineland® Penguin Rite Size C Power Filter Cartridges for Fish Tank Filters

(84)
$19.97
$23.99
Earn 5,000 pts ($10 back in savings) when you spend $50+ on all Marineland products thru 8/30. One-time use only.
Buy 3, get the 4th FREE on all aquatic media - online only
+ 3 more
Tetra® TetraPond Koi Vibrance Color Enhancing

Tetra® TetraPond Koi Vibrance Color Enhancing

(56)
$48.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
FLUVAL Active Carbon Insert 3-Pack - Aquarium Filter Media for Fish Tanks
3 sizes

FLUVAL Active Carbon Insert 3-Pack - Aquarium Filter Media for Fish Tanks

(16)
$5.99
$7.99
Options from
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® CN-S Corner Filter Cartridges - Fish Tank Filter Cartridges - 3-6 Count
2 sizes

Top Fin® CN-S Corner Filter Cartridges - Fish Tank Filter Cartridges - 3-6 Count

(52)
$8.99
Options from
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Retreat™ RF-L Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

Top Fin® Retreat™ RF-L Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

(109)
$14.99
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Pond Fish Daily Diet - Koi Fish Food - 4-10 lb
2 sizes

Top Fin® Pond Fish Daily Diet - Koi Fish Food - 4-10 lb

(66)
$19.99
Options from
Buy 1, get the 2nd 25% OFF ALL Top Fin® food & water care products thru 8/30
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Silenstream™ Small Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

Top Fin® Silenstream™ Small Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

(65)
$14.99
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
API® Quick Start Aquarium Cycling Water Conditioner
3 sizes

API® Quick Start Aquarium Cycling Water Conditioner

(312)
$8.68
$12.28
Options from
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Tetra® TetraMin Tropical Flakes Fish Food Complete Diet for Tropical Fish
4 sizes

Tetra® TetraMin Tropical Flakes Fish Food Complete Diet for Tropical Fish

(297)
$4.24
$4.49
Options from
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Instant Ocean Reef Crystals Reef Salt 200 Gal for Marine & Reef Aquariums

Instant Ocean Reef Crystals Reef Salt 200 Gal for Marine & Reef Aquariums

(1)
$84.77
$99.69
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Internal Filter Cartridges - IF-S - Fish Tank Filter Cartridges - 10 Gallon

Top Fin® Internal Filter Cartridges - IF-S - Fish Tank Filter Cartridges - 10 Gallon

(34)
$7.99
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
TetraPro™ Tropical Crisps Fish Food Flakes Complete Diet
2 sizes

TetraPro™ Tropical Crisps Fish Food Flakes Complete Diet

(83)
$10.97
$12.49
Options from
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® FIN & BODY CURE POWDER for Aquarium Fish Health

API® FIN & BODY CURE POWDER for Aquarium Fish Health

(70)
$16.38
$17.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Hikari® Algae Wafers™ Fish Food for Bottom Feeders Sinking Food
2 sizes

Hikari® Algae Wafers™ Fish Food for Bottom Feeders Sinking Food

(160)
$6.99
$9.99
Options from
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® FX5 Filter Foam Inserts Aquarium Filter Media for Fish Tank Filters

Fluval® FX5 Filter Foam Inserts Aquarium Filter Media for Fish Tank Filters

(7)
$20.59
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
API® Saltwater Aquarium Master Test Kit for Saltwater Aquarium Testing

API® Saltwater Aquarium Master Test Kit for Saltwater Aquarium Testing

(10)
$35.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Root Tabs Aquarium Plant Fertilizer- 10 count for Live Aquarium Plants

API® Root Tabs Aquarium Plant Fertilizer- 10 count for Live Aquarium Plants

(7)
$9.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Amonia Test Kit for Aquarium Water Testing

API® Amonia Test Kit for Aquarium Water Testing

(13)
$15.48
$16.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
FLUVAL AC BioMax Insert 1-Pack - Biological Aquarium Filter Media for Fish Tanks
3 sizes

FLUVAL AC BioMax Insert 1-Pack - Biological Aquarium Filter Media for Fish Tanks

(20)
$2.99
$6.99
Options from
Buy 3, get the 4th FREE on all aquatic media - online only
Save 35% On Your First Autoship Order!
+ 2 more
Tetra® Pond Vacation Food Fish Food for Koi & Goldfish

Tetra® Pond Vacation Food Fish Food for Koi & Goldfish

(0)
$5.29
$7.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Tropical Flakes Fish Food - Freshwater Fish Food - 1-7.06 oz
3 sizes

Top Fin® Tropical Flakes Fish Food - Freshwater Fish Food - 1-7.06 oz

(36)
$3.99
Options from
Buy 1, get the 2nd 25% OFF ALL Top Fin® food & water care products thru 8/30
Save 35% On Your First Autoship Order!
+ 2 more
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. ...
  8. 11
*Details available on the Promotional Terms Page.