• Petco's Guide to Aquatic Success

    Guide to Aquatic Success

    From setup to bringing home your new aquatic life, Petco is here for you each step of the way.

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  • Petco's commitment to aquatic success

    Petco's Commitment to Marine Aquatic Life

    Support Petco and our efforts to conserve and protect the world's coral reefs and the fish that depend upon them.

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  • Care Sheets

    Animal Care Sheets

    Browse our care sheets for important information on how to care for your animal.

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Fish and Aquarium Supplies, Food, Filters, and More

Find everything you need to take care of your fish, pond, or aquarium. Every fish needs a tank to call home. Whether you've got a Betta or a blue tang, you can find the right tank and essentials to suit your pet's needs. Tanks come in all shapes and sizes from the quarter-gallon acrylic desktop variety to the 75 gallon saltwater aquarium. The size of your tank depends on the type and quantity of fish you keep. Similarly, the accessories you need depend on the size of your tank and the type of fish you have. A wide selection of specialized equipment is available for freshwater or saltwater tanks including tank cleaning accessories, skimmers, salt mixes and reef lighting. All your fish's must-haves in one easy-to-find spot – shop for all the fish supplies and accessories your pet needs.