Goldfish

(884 results)
Aqueon® Standard Glass Rectangle Aquarium
6 sizes
(378)
$14.99 - $99.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 2 more
Top Fin® Large Power Filter Cartridges
(289)
$17.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 3 more
API® Freshwater Aquarium Master Test Kit
(447)
$35.99
$39.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Open Glass Aquarium
3 sizes
(205)
$36.99 - $149.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 2 more
Seachem® Prime® Aquarium Water Conditioner
4 sizes
(375)
$3.19 - $16.62
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® High-Definition LED Aquarim & Stand Ensemble - 125 Gallon
(53)
$999.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 1 more
Fluval® FX6 Aquarium Canister Filter
(224)
$369.99
$419.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® High Definition LED Ensemble - 75 Gallon
(590)
$499.99
$799.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 2 more
Top Fin® Aquarium & Stand Ensemble - 36 Gallon
(99)
$399.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 2 more
Top Fin® Essentials Aquarium Starter Kit
6 sizes
(4434)
$39.99 - $199.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 4 more
Top Fin® Bow Front Aquarium Starter Kit -  36 Gallon
(489)
$155.99
$194.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 4 more
Top Fin® Captivate Aquarium Starter Kit
(443)
$111.99
$139.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 4 more
Top Fin® Angled Aquarium -10 Gallon
(163)
$94.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 3 more
Fluval AC Power Filter
4 sizes
(151)
$42.99 - $97.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes
(302)
$16.99 - $58.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes
(238)
$8.99 - $17.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 3 more
Top Fin® Element EF-S Filter Cartridges
3 sizes
(382)
$8.99 - $17.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 3 more
Activ-Flora Floracor Black Planted Aquarium Substrate
(23)
$20.80
$24.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 2 more
Top Fin® Half Moon Aquarium - 3.5 Gallon
(2096)
$39.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Online Only - 20% OFF select fish aquariums with code: FISH20
+ 4 more
Top Fin® Compact Aquarium Heater
3 sizes
(505)
$14.59 - $33.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1581)
$18.99 - $49.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
Top Fin® Premium Aquarium Gravel - Classic Beach
(68)
$7.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 3 more
Top Fin® CN-S Corner Filter Cartridges
2 sizes
(52)
$8.99 - $14.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 3 more
Omega™One Frozen Blood Worms Fish Food
(208)
$8.99
$9.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes
(206)
$3.94 - $8.00
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Stress Coat Tap Water Aquarium Conditioner
6 sizes
(532)
$2.28 - $37.58
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Quick Start Aquarium Cycling Water Conditioner
3 sizes
(306)
$8.68 - $17.38
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Air Pump
3 sizes
(787)
$17.39 - $20.79
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
API® E.M. Erythromycin Fish Bacterial Infection Treatment
(75)
$17.88
$26.49
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Purigen® Premium Synthetic Absorbent
2 sizes
(62)
$9.19 - $15.79
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 2 more
Top Fin® Aquarium Sponge Filter
3 sizes
(212)
$9.99 - $19.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
Omega™One Frozen Bloodworms Fish Food
(192)
$9.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
Top Fin® Aquarium Gravel Vacuum
4 sizes
(830)
$9.99 - $21.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
API® Guide Fish Problem Solving General Cure
(62)
$16.38
$23.49
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Premium Aquarium Gravel - Black & Neon
3 sizes
(60)
$4.99 - $25.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 3 more
Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(52)
$7.99 - $25.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 3 more
Top Fin® Aquarium Airline Tubing
2 sizes
(102)
$4.99 - $7.69
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
Top Fin® Silenstream Filter Cartridge - 3pk
(122)
$8.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 3 more
Top Fin® Aquarium Water Conditioner
3 sizes
(259)
$4.99 - $9.99
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Buy 1, get the 2nd 25% OFF all Top Fin food & watercare
+ 3 more
API® Aquarium Salt
3 sizes
(193)
$8.78 - $112.48
Earn 4,000 pts ($8 back in savings) when you spend $40+ on merchandise & services. Earn once per day.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
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Goldfish Care – Tanks, Food & Supplies 

Goldfish are one of the most popular pet fish due to their bright colors and active nature. To keep them healthy, a properly maintained goldfish tank with ample swimming space is essential. Unlike common misconceptions, goldfish require more than a small bowl, they thrive in spacious goldfish tanks with efficient filtration and proper water conditions. 
Creating the Ideal Goldfish Habitat 
Goldfish require ample space to thrive. For fancy goldfish, a minimum of 20 gallons per fish is recommended. Common goldfish, which can grow larger, may require more space. Adding tank decorations not only enhances the tank’s appearance but also provides enrichment and hiding spots for goldfish. A fish tank light helps maintain a consistent day-night cycle, promoting natural behaviors. 
Cleaning and Care for Goldfish Tanks 
Goldfish produce more waste than other fish, making regular cleaning and filtration essential. Routine water changes, along with a strong filter, help maintain water clarity and quality. Choosing the right goldfish food is also important, balanced pellets or flakes formulated for goldfish provide the nutrients needed for healthy growth and vibrant coloration. 
Shop Goldfish Supplies at PetSmart 
From high-quality goldfish food to spacious goldfish tanks, fish tank decorations, and essential equipment like fish tank stands and lighting, PetSmart has everything you need to care for your goldfish. Shop online or visit a store today. 
Frequently Asked Questions (FAQs) 
Are goldfish hard to take care of? 
Goldfish are relatively easy to care for, but they require a properly maintained goldfish aquarium with good filtration, regular water changes, and a balanced diet. 
Do goldfish need a heater? 
Goldfish are cold-water fish and generally do not require a heater, but maintaining a stable water temperature is important for their health. 
How often do you feed a goldfish? 
Goldfish should be fed small amounts 1-2 times per day using high-quality goldfish food that meets their nutritional needs. 
Can goldfish live with other fish? 
Goldfish can live with other cold-water fish species of similar size and temperament, but overcrowding should be avoided to maintain water quality