Building Underwater Wonders
Your Trusted Aquarium Experts in the Valley of the Sun with aquarium maintenance and design across the entire state of Arizona.
25+ Years of Experience in Custom Designed Aquariums, Aquarium Supplies, Fresh & Salt Water Fish, Livestock, Invertebrates & Corals.
About Us
Who Is That BIG FISH Store ?
We are a collaboration of several valley aquarium companies that have been in the aquarium business since the late 1980’s. We have built That BIG FISH Store to be a home for Southwest Seas, Custom Marine Aquaria, Aquatic Environments Manufacturing, Arizona Fishguy and Seaquest Aquariums.
Our Commitment
What Makes Us Different?
Discover the perfect aquarium system for your home at That BIG FISH Store, where we offer an extensive range of options and services to ensure your satisfaction for years to come.
Inquire with our knowledgeable sales associates about our maintenance services, which can cover everything from installation to ongoing care. Whether you’re a beginner or an experienced enthusiast, and whether you’re interested in a compact Nano tank or a sprawling wall-sized masterpiece, That BIG FISH Store is your ultimate destination for achieving saltwater success!
A Commitment to Health
We do our absolute best to ensure we are purchasing and subsequently selling healthy animals for your aquariums. We purchase from companies that we have been doing business with for most of our collective careers.
100% Customer Satisfaction
We are not perfect. We will make mistakes. We will do our best to ensure we have happy, fulfilled customers at the end of each day. If you are not satisfied with us for any reason, reach out to us and let us help work toward a resolution.
Our Expertise
Marine & Tropical Fish Experts
Explore That BIG FISH Store, boasting an impressive stock brimming with an extensive selection of goldfish, Koi, tropical, and saltwater fish. This is your go-to destination for discovering rare and unique fish species. With new arrivals almost daily, you can look forward to weekly specials on fish, invertebrates, corals and aquariums.
Make your way to That BIG FISH Store not only for the fish but also for the exceptional people behind it. Our dedicated team of fish and coral experts takes pride in offering valuable advice and ensuring your success in the world of aquatic enthusiasts.
Freshwater Plants
At That BIG FISH Store, we're your ultimate destination to fulfill every need for creating your dream tropical aquarium! We're dedicated to providing the finest array of freshwater plants for sale, ensuring you have access to top-quality options to bring your aquatic vision to life.
Shop Our Online Store Today
Explore our online fish supplies store for a vast selection of premium aquarium essentials, from filters and heaters to decorative ornaments and specialized fish food, ensuring your aquatic pets thrive in a healthy environment. Enjoy convenient browsing, secure transactions, and prompt delivery, making us your preferred choice for all aquatic needs.