Deals on fish & aquariums

Build your most beautiful underwater ecosystem yet

Marine & Freshwater

(202 results)
Hill's® Science Diet® Sensitive Stomach & Skin Adult Wet Dog Food - Turkey & Rice, 12.5 oz
(742)
$5.19
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Hill's Science Diet Perfect Weight Adult Dry Dog Food - Chicken
3 sizes 1 flavor
(1156)
$41.99 - $124.99
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Hill's® Science Diet® Perfect Weight Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(1471)
$42.99 - $115.99
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Hill's Science Diet Perfect Weight & Joint Support Large Breed Adult Dry Dog Food - Chicken & Rice
(163)
$126.99
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Hill's® Science Diet® Sensitive Stomach & Skin Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(1331)
$42.99 - $115.99
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Hill's® Science Diet® Sensitive Stomach & Skin Adult Dry Dog Food - Chicken & Barley
2 sizes 1 flavor
(1752)
$41.99 - $85.99
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Hill's® Science Diet® Perfect Weight Adult Wet Dog Food - Vegetable & Chicken Stew, 12.5 oz
(682)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
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Hill's® Science Diet® Sensitive Stomach & Skin Adult Wet Dog Food - Chicken & Vegetable, 12.8 oz
(865)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
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Hill's® Science Diet® Savory Stew Senior 7+ Wet Dog Food - Beef & Vegetable, 12.8 oz
(460)
$4.99
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Hill's® Science Diet® Savory Stew Adult Wet Dog Food - Beef & Vegetable, 12.8 oz
(56)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
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Hill's® Science Diet® Sensitive Stomach & Skin Large Breed Adult Dry Dog Food - Chicken & Barley
(319)
$124.99
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Hill's® Science Diet® Perfect Digestion Adult Dry Dog Food - Salmon, Brown Rice & Whole Oats
3 sizes 1 flavor
(865)
$41.99 - $124.99
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Hill's® Science Diet® Sensitive Stomach & Skin Small Bites Adult Dog Dry Food - Chicken & Barley
2 sizes 1 flavor
(1254)
$41.99 - $124.99
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Hill's Science Diet Large Breed Puppy Dry Dog Food - Chicken & Brown Rice
2 sizes 1 flavor
(714)
$78.99 - $114.99
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Hill's® Science Diet® Perfect Weight Small & Mini Adult Dry Dog Food - Chicken Recipe
2 sizes 1 flavor
(1297)
$42.99 - $83.99
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Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
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Hill's® Science Diet® Urinary Hairball Control Adult Wet Cat Food - Minced, 5.5 oz
(380)
$3.79
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Hill's® Science Diet® Sensitive Stomach & Skin Small & Mini Adult Dog Dry Food - Chicken & Rice
2 sizes 1 flavor
(989)
$42.99 - $87.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
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Hill's® Science Diet® Oral Care Adult Dry Cat Food - Chicken
2 sizes 1 flavor
(846)
$73.99 - $115.99
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Hill's Science Diet Sensitive Stomach & Skin Adult Dog Wet Food - Chicken & Vegetable Stew, 12.5 oz
(46)
$5.19
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Hill's Science Diet Perfect Digestion Adult Wet Dog Food - Chicken, Vegetable & Rice Stew, 12.8 oz
(133)
$5.19
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Hill's® Science Diet® Healthy Cuisine Adult Wet Cat Food - Chunks & Gravy, 2.8 oz
(687)
$3.19
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Hill's® Science Diet® Urinary Hairball Control Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(1001)
$42.99 - $115.99
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
Hill's® Science Diet® Sensitive Stomach & Skin Adult Wet Dog Food - Salmon & Vegetable, 12.8 oz
(317)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
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Hill's® Science Diet® Adult Wet Dog Food - Chicken & Barley, 13 oz
(22)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
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Hill's® Science Diet® Savory Stew Adult Wet Dog Food - Chicken & Vegetable, 12.8 oz
(274)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
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Hill's® Science Diet® Savory Stew Senior 7+ Wet Dog Food - Chicken & Vegetable, 12.8 oz
(28)
$4.99
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Hill's® Science Diet® Senior 7+ Wet Dog Food - Chicken & Barley, 13 oz
(458)
$4.99
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Hill's Science Diet Healthy Cuisine Adult Wet Dog Food - Roasted Chicken, Carrots & Spinach, 12.5 oz
(790)
$5.19
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Hill's Science Diet Healthy Cuisine Adult Wet Dog Food - Braised Beef, Carrots & Peas, 12.5 oz
(666)
$5.19
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Hill's® Science Diet® Soft Savories Dog Treat - Natural, Peanut Butter & Banana
(223)
$7.00
$13.49
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Earn 100 Treats Points - TREAT OF THE MONTH
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Hill's Science Diet Perfect Weight & Joint Support Adult Dry Dog Food - Chicken & Brown Rice
3 sizes 1 flavor
(207)
$42.99 - $126.99
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Hill's Science Diet Perfect Weight Small Bites Adult Dry Dog Food - Chicken
2 sizes 1 flavor
(493)
$41.99 - $124.99
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Hill's® Science Diet® Small Bites Senior 7+ Dry Dog Food - Chicken Recipe
(1263)
$122.99
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Hill's Science Diet Puppy Dry Dog Food - Chicken & Brown Rice
3 sizes 1 flavor
(1326)
$36.99 - $114.99
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Hill's® Science Diet® Healthy Mobility Large Breed Adult Dry Dog Food - Chicken Meal, Rice & Barley
(469)
$124.99
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Hill's Science Diet Perfect Weight Large Breed Adult Dry Dog Food - Chicken
(431)
$124.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Save 35% On Your First Autoship Order!
+ 3 more
Hill's® Science Diet® Perfect Digestion Adult Dry Dog Food - Chicken & Brown Rice
3 sizes 1 flavor
(616)
$41.99 - $124.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Save 35% On Your First Autoship Order!
+ 3 more
Hill's Science Diet Large Breed Puppy Dry Dog Food - Lamb & Brown Rice
(274)
$118.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Enjoy Free Same-day delivery!
+ 1 more
Hill's® Science Diet® Perfect Digestion Senior 7+ Dry Dog Food - Chicken, Whole Oats & Brown Rice
2 sizes 1 flavor
(433)
$41.99 - $124.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Save 35% On Your First Autoship Order!
+ 3 more
Hill's® Science Diet® Sensitive Stomach & Skin Adult Dry Cat Food - Grain Free, Salmon
(502)
$115.99
Save $25 on Hill's Science Diet cat food, 5.8-7.3 kg. Discount taken in cart.
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Explore Marine and Freshwater Fish at PetSmart

At PetSmart, we offer a diverse selection of freshwater fish for sale to help you create the perfect aquatic habitat. Whether you're setting up a tank for the first time or expanding your current ecosystem, our collection features a wide range of species, from vibrant GloFish tetra to elegant marine fish and lively freshwater tropical fish.

Discover Our Range of Fish and Aquarium Supplies

Choosing the right fish and accessories not only enhances the beauty of your aquarium but also ensures a healthy environment for your aquatic pets. Here's what you can find:
  • Freshwater Aquarium Live Plants: Ideal for adding natural beauty and improving water quality in your tank.
  • Live Freshwater Fish: Choose from a variety of species to populate your aquarium, including gentle and colorful options. Discover freshwater fish like; GloFish, Guppy, Angel, and more!
Visit PetSmart today to explore our freshwater fish shop and find everything you need to create a thriving aquatic environment. Enjoy the convenience of online shopping and free in-store pickup, or choose delivery for hassle-free service. Dive into our range of products and services to enhance your aquarium experience!

Frequently Asked Questions (FAQs)

What types of fish are available in-store?

Our stores feature an extensive selection, including popular species like GloFish, Guppy, Angel, and more! Availability may vary by location, shop online to determine availability.

How do I acclimate my new fish to the aquarium?

Gradually introduce your new fish to the tank environment by floating the sealed bag in your aquarium to equalize water temperature and slowly mixing tank water into the bag before release.

What should I feed my freshwater and marine fish?

Offer a varied diet that includes high-quality flakes, pellets, and occasional live or frozen foods to ensure balanced nutrition.