Goldfish

(918 results)
Top Fin® Essentials Aquarium Starter Kit
8 sizes
(4250)
$34.99 - $119.99
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Aqueon Standard Glass Rectangle Aquarium
7 sizes
(291)
$11.49 - $94.99
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Fluval® FX6 Aquarium Canister Filter
(202)
$419.99
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Top Fin® Large Power Filter Cartridges
(279)
$17.99
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BOGO 50% Off All Aquatic Media
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Marineland Open Glass Aquarium
3 sizes
(168)
$14.99 - $149.99
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Marineland High-Definition LED Ensemble - 125G
(28)
$649.99
$999.99
$350 off Select Ensembles
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Marineland® High Definition LED Ensemble - 75 Gallon
(570)
$499.99
$849.99
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Fluval® 407 Performance Aquarium Canister Filter
(124)
$269.99
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Fluval® FX4 Aquarium Canister Filter
(125)
$359.99
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Fluval FX2 Aquarium Canister Filter
(36)
$319.99
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Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo
(70)
$249.99
$449.99
$200 off Top Fin 36 Gallon Ensemble
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Fluval® 307 Performance Aquarium Canister Filter
(101)
$199.99
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Top Fin® Bow Front Aquarium Starter Kit -  36 Gallon
(468)
$97.49
$194.99
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Fluval® 207 Performance Aquarium Canister Filter
(81)
$169.99
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Top Fin® Fascinate Column Starter Kit
(310)
$44.99
$89.99
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Top Fin® Captivate Starter Kit
(416)
$67.49
$134.99
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Top Fin® Mystic Oak Finish Aquarium Stand
3 sizes
(44)
$59.99 - $89.99
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API® Freshwater Aquarium Master Test Kit
(293)
$35.99
$39.99
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Fluval AC Power Filter
4 sizes
(107)
$42.99 - $99.99
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Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes
(234)
$8.99 - $17.99
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BOGO 50% Off All Aquatic Media
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Aqua Natural Aquarium Sand - Galaxy Black
2 sizes
(91)
$14.39 - $24.99
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Top Fin® Silenstream™ Small Filter Cartridges
(65)
$14.99
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Fluval® Submersible Aquarium Heater
(242)
$32.99 - $38.99
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Top Fin® Compact Aquarium Heater
3 sizes
(485)
$14.59 - $33.99
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Top Fin® Element EF-S Filter Cartridges
3 sizes
(373)
$8.99 - $17.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
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Top Fin® Aquarium Hinged Glass Lid
7 sizes
(216)
$16.99 - $58.99
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Seachem® Prime® Aquarium Water Conditioner
4 sizes
(369)
$3.79 - $16.69
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Save 35% On Your First Autoship Order!
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Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1511)
$18.99 - $49.99
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Free Same-Day Delivery, No Order Minimum!
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API® E.M. Erythromycin Fish Bacterial Infection Treatment
(75)
$21.98
$25.08
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 25% all API Food & Watercare
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Aqua Natural Aquarium Substrate - Gold Pearl
(21)
$5.59
$14.99
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Free Same-Day Delivery, No Order Minimum!
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Top Fin® Premium Aquarium Gravel - Classic Beach
(66)
$7.99
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Aqua Natural Aquarium Sand - White
(68)
$14.39
$14.99
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Free Same-Day Delivery, No Order Minimum!
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API® Stress Coat Tap Water Aquarium Conditioner
6 sizes
(361)
$2.29 - $37.58
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 25% all API Food & Watercare
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Top Fin® Silenstream Filter Cartridge - 3pk
(111)
$8.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
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Omega™One Frozen Blood Worms Fish Food
(208)
$8.99
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BOGO 25% OFF All Frozen Fish Food
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Omega™One Frozen Bloodworms
(186)
$9.99
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BOGO 25% OFF All Frozen Fish Food
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Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes
(198)
$3.99 - $8.39
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Save 35% On Your First Autoship Order!
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Omega™ One Frozen Brine Shrimp Fish Food
(92)
$6.99
$7.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 25% OFF All Frozen Fish Food
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Seachem® Purigen® Premium Synthetic Absorbent
2 sizes
(54)
$9.19 - $15.79
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
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Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(47)
$7.99 - $25.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
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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