Activate & earn 4,000 PTS PER DAY on $40+ orders & services thru 6/14* >

How to set up an aquarium

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

Shop by category

Starter kits & live fish

Wanting to bring fish into your home? We make it easy & fun to get started.

Aquarium starter kit, including fish & water

Starter kits

Complete packages with a tank, filter, lighting & more for your new pet
Two fish in aquarium tank

Live fish

Need to add fish? Your local PetSmart can guide you through all the choices

Shop by tank size

Shop by fish

Save with Autoship

Get 35% OFF your first order & 5% off future orders & never run out

Shop now

PetSmart pack wisdom

Visit our Learning Center for advice, tips & tricks

Read more

Expert advice for fish

Tips on how to keep your fish happy & healthy

Faves for your new fish

Legit ScriptDot Pharmacy
Download on the App StoreDownload on the Google Play Store
Copyright © 2026 Petsmart LLC
RecallsTerms of UsePrivacy PolicyInterest-Based AdsCA Supply Chain ActCA Privacy Rights
*See Promotional Terms Page for details. Exclusions may apply. While supplies last. Prices & selection may vary by store & online.