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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. 
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*For all offers listing a percent or dollar amount off regular price for individual products or categories of products: Eligible products only. Exclusions may apply. While supplies last. Quantities may be limited. Prices & selection may vary by store & online. Deliveries may be delayed. Offer may not be combinable with other promotions offers or discounts. Terms and conditions of an offer are subject to change at the sole discretion of PetSmart. See offer on site for end date. If the offer is a BUY/GET offer: Discount taken on lowest priced item(s) purchased. Mix and match not allowed between offers. Some offers require a minimum quantity purchase to receive discount. If the offer is a sitewide SPEND/GET offer: Transaction total is prior to taxes & shipping & after discounts are applied. Promo code may be required and should be entered upon checkout. See product page to determine eligibility and for complete offer details. If the offer is an EXTRA SAVINGS offer: Valid on select sale & online prices for merchandise. Enter promo code at checkout. See product page to determine eligibility and for complete offer details. For TREATS REWARDS offers: All bonus points offers must be activated in your Treats Rewards account prior to purchase. Must be signed in to your Treats Rewards account online or use membership ID in stores at checkout. See offer card in your Treats Rewards account for complete offer details.
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Terms & Conditions: Save 35% on your first Autoship order up to a maximum savings of $20.00 and 5% on recurring orders. Must be signed in to your Treats Rewards account to receive discount. Savings will automatically reflect in shopping cart with purchase of qualifying product and enrollment in Autoship. Exclusions apply. Eligible products only. See product page to determine eligibility. Not valid on services, gift cards, gift certificates, previous purchases & charitable donations. Offer may not be combinable with other promotional offers or discounts. Autoship terms and conditions apply. Treats Rewards members receive free shipping on select orders over $49.00, prior to taxes & after discounts are applied (additional terms apply). Prices & selection may vary. While supplies last. Quantities may be limited and deliveries may be delayed.
Terms & Conditions: Treats Rewards members enjoy Free Standard Shipping on select orders over $49. Must be signed into your Treats Rewards account prior to purchase. Transaction total is prior to taxes & after discounts are applied. Savings will automatically reflect in shopping cart with the purchase of qualifying merchandise. Valid only on orders shipped within the contiguous 48 U.S. states, military APO/FPO addresses and select areas throughout Canada. Offer not valid on all or select products in the following categories: live pets, canned, fresh or frozen foods, select cat litters. Terms and conditions of this offer are subject to change at the sole discretion of PetSmart. Delivery may be delayed due to acts beyond our reasonable control, which may include, but are not limited to, weather, strikes, power outages, shutdowns, local, provincial or federal governmental actions, and other similar acts. Delivery speeds will be delayed for orders that include Veterinary Authorized Food, Pharmacy, and Dropship items or to customer addresses such as Alaska, Hawaii, and Puerto Rico. Offer valid on PetSmart.com.
Terms & Conditions: Free Same-Day Delivery is available in most areas. Eligible products only. Exclusions apply. See product page to determine eligibility. While delivery is contact-free, we recommend being home during the delivery window to bring perishable items inside right away. Prices & selection may vary in stores & online. While supplies last. Quantities may be limited. See www.petsmart.com/help or store associate for more details.
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