Knoxville aquarium store

Knoxville aquarium store DEFAULT

Airlines Partners

7 Seas Aquatics

We are an aquatics retailer striving to provide the best in quality and price on all things saltwater and freshwater related. We sell aquariums, equipment, fish, and corals as well as onsite setup and maintenance. We are a “sister store” with The Aquatic Critter that has been doing business in south Nashville for almost 30 years. Come check out our inventory and meet some of our friendly and knowledgeable staff today!!

260 W Main St Suite 212
Hendersonville, TN 37075

Aquarium Knoxville

The best combination of quality, service, and price. We are the largest aquarium and pond store in the South. We have livestock and equipment for ponds, reefs, and tropical tanks. Join our VIP program to receive in store specials and offers!

6410 Papermill Dr
Knoxville, TN 37919

Aquatic Critter

Welcome to The Aquatic Critter. If an aquarium or pond are part of your life now, or will become soon, you need to stop by and see what all the buzz is about. Providing Nashville with the highest quality Freshwater Fish, Pond Fish, Saltwater Fish, and Reef Animals for over 25 years.

5009 Nolensville Pike
Nashville, TN 37211

Aquatic Marine

Located in Knoxville, our store is one of the best in East Tennessee. We have a 3,000 sq. ft. facility and we specialize in freshwater and saltwater fish, invertebrates, and corals. Even still, our quality and service focused on helping customers are why people keep coming back. We hope you’ll come visit soon!

6655 Clinton Hwy
Knoxville , TN 37912

Exotic Tropicals

Exotic Tropicals has been selling Quality pets and supplies in Cookeville Tennessee for more than 30 Years. We have built a strong reputation by supplying quality information and selling healthy pets.

45 N Walnut Ave
Cookeville, TN 38501

Fish Mania

Our knowledgeable staff can assist the beginning enthusiast with selecting an aquarium, establishing the aquarium and water testing prior to adding fish. They can offer advice on beginning fish selection and how to do periodic water changes.

4330 Ringgold Rd
Chattanooga, TN 37412

Fishy Business

Fishy Business is a small pet store, as well as an aquarium sales and cleaning business, serving clients in West Tennessee. While most of us love to look at aquariums, few enjoy cleaning them. Because of this, sadly, many give up on aquariums. Our company provides a professional and quality maintenance experience for those who own a fresh or saltwater aquarium. At our shop in Lexington, we sell not only fish and tanks, but also live rock and coral. Stop by today, or give us a call for more information!

911 E Church St Suite E
Lexington, TN 38351

Franklin Aquarium Pet

Here at Franklin Aquarium, we are family owned and operated since 1992. We stock over 100 aquariums of fish including Saltwater. Come in and check us out to find everything you need for your pet.

2409 Highland Ave
Columbia, TN 38401


MemFish is a locally owned and operated aquarium store. We carry a wide variety of freshwater fish, saltwater fish, corals, live plants, and live rock along with the best selection of drygoods in the mid-south. We only carry products that we use here in the store or at home. That means we believe in the products we sell and have experience using them. We can special order livestock and drygoods – so if you don’t see what you’re looking for, ask us to special order it for you. MemFish is always striving to be environmentally friendly, we carry aquacultured livestock when it is available. That includes clownfish, gobies, mandarins, corals, peppermint shrimp, and clams to name a few.

118 N Cedar Ave
Cookeville, TN 38501

Seahorses & Sandcastles

Specializing in Seahorses and aquarium accessories. Make the impossible possible by owning a unique, mystical aquatic animal.

200 Paul Huff Pkwy NW
Cleveland, TN 37312

The Aquatic Den

The Aquatic Den, formerly Michael’s Aquatic Den, is under new ownership and has expanded to hold a bigger selection of freshwater and saltwater fish for the aquarium and pond enthusiast in the southeast Tennessee and north Georgia area. We specialize in saltwater aquariums and have Cleveland’s largest selection of unique fish, invertebrates, and corals.

651 Mimosa Dr NW
Cleveland, TN 37312

The Coral Reef

The Coral Reef is a saltwater fish, coral, and supply store, with the lowest prices. It is owned by a company called Sustainable Aquatics, which happens to be the worlds top leader in the saltwater fish hatchery business.

273 W Old Andrew Johnson Hwy
Jefferson City, TN 37760

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Business operations may be affected due to COVID-19. Please contact the business directly to verify hours.

Most Recent Comments

  • July 2021

    This store is well stocked with supplies. Better than any other store in Knoxville. It also has a very large varied selection of fish. However to say they are overpriced is an understatement. Prices are so high I have quit even going

  • September 2020

    Have been a customer for 15 plus years. Amazing, knowledgeable, helpful staff. Can’t imagine ever going elsewhere for any of our home aquarium needs.

  • August 2020

    You can tell everyone is very knowledgeable and passionate about their work here! Great fish and fish equipment. They also are great at supplying you with paper research material if you have any questions or concerns about a new type of fish and how to properly care for it. Hands down, the best place to go if you are into... read full comment

More Comments(66)

Other Information

Specialties: Fresh Water Fish, Marine Fish, Salt Water Fish, Fish & Invertebrates, Pond Fish, Koi

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Create a Great Aquarium With Petco

Whether it’s a small bowl or a massive tank, there’s nothing quite like a well-kept aquarium to brighten up your home. Here at Petco in Knoxville, we want to ensure that you have the supplies you need to keep your fish happy and healthy.

Your One-stop Shop

One of the advantages of aquariums is that they are perfect both for beginning pet parents and for experienced hobbyists. Whether you’re interested in setting up a large saltwater reef tank, a smaller community aquarium or a desktop betta bowl, we can help you find the equipment, supplies and fish that you’re looking for. Petco provides a single convenient place for you to find everything aquarium related.

A Home for Your Fish

We offer a wide variety of homes for your aquatic pets, ranging from smaller fish bowls to much larger tanks. Our selection includes all-glass aquariums and acrylic aquariums as well as a wide variety of configurations. We have fish tank sizes ranging from half of a gallon to 75 gallons so that you’ll be able to find the perfect volume for your space.

In addition, we have a variety of accessories for fish tanks such as tank stands, lighting, hoods, chillers, heaters, thermometers, pumps and filtration and aeration systems that will make the aquarium a welcoming place for its inhabitants.

Live Fish

Of course, you can’t have an aquarium without any fish—and a few finned friends are the perfect addition to your home. It is best to purchase fish at your local fish store, so that you can see the fish before you buy them and make sure they are in good health. Petco is an excellent choice if you’re looking for new pets, since we have locations across the country offering dozens of kinds of colorful live fish. Whether you’re looking for a single fish or an entire school, we carry a wide variety of pets you can add to your family.

Beautiful Bettas

Our selection of bettas is one of the largest you’ll find anywhere. These beautiful little fish are famous for their bright colors and intricate fins, but they are also an excellent choice for beginning pet parents since they require very little space and maintenance.

Freshwater Pets

If you’re looking for other colorful freshwater aquarium fish, we have a wide range of other creatures that make excellent additions to your tank. Some of the many species we have available include:
  • Calico, fantail and feeder goldfish
  • GloFish
  • Chinese algae eaters
  • Plecostomus
  • Neon, serape and red eye tetras
  • Mollies
  • African and South American cichlids
  • Platies
  • Danio zebra fish
Some of these fish do well in larger schools, while others should be kept in smaller groups. We’ll be able to help you find the right mix of fish for your aquarium.

Saltwater Fish

More experienced aquarium keepers might want to try their hand with a saltwater aquarium. Petco is unique among pet store chains in that we carry a wide variety of saltwater options in addition to our freshwater ones. Our stores have many different types of saltwater aquarium fish, including:
  • Butterfly fish
  • Clown and damsel fish
  • Lionfish
  • Boxfish
  • Tangs
  • Stingrays
  • Seahorses

Invertebrates and Other Creatures

A fish tank can contain more than just fish. Both invertebrates and non-fish vertebrates can be a good addition to your aquatic community. We carry freshwater and saltwater creatures such as anemones, maxima clams, crabs, snails and even frogs.

Live Plants

A live aquarium plant is one of the most popular items to add to a tank, and we have a great selection of plants. Not only do they help filter the water in the tank, they also offer a highly naturalistic environment for your pets to live in. We offer a range of plant speciesas well as substrate, fertilizers, lightingand everything else you need to keep your plants healthy.

Aquacultured Corals

If you’re looking for something a little more exotic than a plant, live corals are an excellent option. We carry a range of corals that are great for beginning and expert aquarium keepers in a variety of shapes and sizes. All of our corals are 100% aquacultured.

At Petco, we are strongly committed to protecting marine life, which is why we sell aquacultured organisms. These are creatures that have been raised in aquarium environments instead of being collected from the wild. Over 95% of our aquatic life, including all of our coral and most of our live fish, is raised in captivity, allowing you to enjoy your fish tank without having to worry about impacts on the environment.

Supplies and Equipment

We also offer a wide range of aquarium supplies so that you’ll have everything you need to keep your fish happy and healthy. Our equipment and materials include medications, supplements and a wide range of foods. You can also pick up all the water treatment supplies you need, such as algaecides, water conditioners and even salt mixtures for brackish and marine tanks.


Make your tank look great! We offer tank backgrounds and a variety of gravels and substrates that can provide a cohesive look in addition to a wide variety of tank décor. Whether you want to create a sunken ship or Asian landscape, we have the ornaments you need.

Hard-to-Find Items

If you’re looking for something that isn’t available at your local Knoxville Petco location, we have endless aisles online featuring every product that our chain has to offer. We have literally thousands of items that can help pet parents keep their aquariums running smoothly, whether you have a 50-gallon tank or a small betta bowl.

Even if we don’t have what you want, we can help you find it. For items that aren’t commonly carried in our stores, our store partners can place special orders online to help you find what you’re looking for. If you’re shopping online for marine life, we have teamed up with to give you access to hundreds of types of fish and other creatures.

Getting Help

If you have any questions about your aquarium, don’t be afraid to ask. Our knowledgeable store partners can help you select the right aquatic life for your tank, offer advice for keeping your fish happy and healthy and provide tips for those who are just starting out.

How to Get Started

At Petco, we’re dedicated to helping connect people with pets. If you want to learn to keep exotic aquarium fish, upgrade to a bigger and better aquarium or just find new accessories for your current tank, get started today. Go to one of our physical locations in Knoxville or browse our extensive selection of online products.
Fish store in Knoxville Tennessee inside (Aquarium)


JKS Aquaticsis the destination spot inKnoxville, Tennesseefor aquatic livestock, indoor aquariums, and all your outdoor pond needs. We specialize in saltwater aquariums and outdoor water features but carry everything any freshwater enthusiast would crave. Whether you need a complete installation, spring cleanout, or maintenance service for your aquarium or pond then we can help you with that. We know you lead a busy lifestyle, that's why we even offer a Shop online feature and emergency service options.

Full Service Retail Store 

Our retail store is open to the public Monday - Saturday from 10 AM to 6 PM. Here you'll find dozens of species of exotic fish, corals, and aquatic freshwater plants in-stock and ready to go. Our outdoor water features include Koi ponds, pondless water features, fountains, aquatic plants, and more. We know you lead a busy lifestyle, that's why you can count on us for all your basic livestock, aquarium needs, and pond supplies.

Emergency service option available. Call for details!

Going the extra mile for our clients

With JKS Aquatics, if you see a display you love in our retail store, you can purchase it and take it home. We will deliver it, install it, and maintain it for a low monthly fee. Ask for details!

JKS Aquatics is the area's only aquarium store that aquacultures many types of corals. On any given time, we aquaculture thousands of corals maintaining over 2,000 aquaculture frags ready to go making JKS Aquatics the leading provider of aquacultered coral in the area!

For our aquariums, we use RODI water. RODI water is different from any other water because the water is very clean. It helps prevent bad things from getting into your aquarium systems such as heavy metals and silicates that can cause major problems in your tank. If you need more information about the difference RODI water can make in your aquarium, contact us today at (865) 357-0580.


Aquarium store knoxville


Fish store in Knoxville Tennessee inside (Aquarium)


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