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Learn More about Petco's commitment to marine aquatic life
  • Fish Anatomy 101


    Learn the basics of fish anatomy so that you can best care for your new aquatic pets.

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  • Four Tips for New Freshwater Fish Parents

    Read some tips that will help new freshwater fish parents to keep pets happy and healthy.


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  • Selecting the Right Saltwater Aquarium Supplies

    It's important to carefully research and select the right equipment for your saltwater tank to ensure the well-being of your new aquatic pet.

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What to Know About Freshwater Fish - Learn More
What to Know About Saltwater Fish - Learn More

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.