About
Tiny Aquatics has become a destination for Central Texas fishkeepers, with hobbyists regularly driving an hour or more from Austin, Killeen, and beyond to shop this Round Rock, TX aquarium store. The reputation is built on two things customers mention again and again: spotless, thriving tanks and a staff that genuinely cares more about your tank succeeding than making a sale. John (often written Jon in reviews) is the name that comes up most by far — funny, patient, and known for remembering regulars — alongside Sean, Blake, Reid, Don, Tran, and Josh, all praised for honest, no-pressure advice that never veers into upselling.
The shop leans hard into the freshwater planted and nano world. Reviewers call out some of the cheapest high-quality aquatic plants in Austin, plus a deep selection of stem plants, driftwood, stones, and hardscape for anyone building an aquascape. Shrimp and bettas are a specialty — the bettas live in individual one-gallon planted tanks rather than cups, and customers consistently bring home healthy, vibrant fish.
There's also a solid range of freshwater community fish and cichlid varieties for sale in Round Rock, TX, from starter guppies for a first tank to stock for a 75-gallon build. Beginners are made to feel genuinely welcome here. The team offers free water testing, walks newcomers through cycling and stocking, and builds custom tanks in-house — the display aquascapes around the store double as inspiration.
If you're searching for a freshwater aquarium store near me in the Austin metro, expect clean water that, as one reviewer joked, barely smells like fish, fair prices, and folks who will help you pick the right lighting, substrate, and livestock for your setup. A limited saltwater selection is available too. The store is cashless, so bring a card, and it's worth stopping in often, since new arrivals and sales turn over regularly.
What they offer
Fish & livestock for sale at Tiny Aquatics in Round Rock, TX
Tiny Aquatics stocks shrimp, betta fish, invertebrates, cichlids, rare and hard-to-find species, aquarium plants and freshwater, saltwater & pond fish for sale in Round Rock, TX. As an aquarium store serving Round Rock, TX, it also carries fish food, dry goods and aquarium equipment and offers aquarium setup, water testing, custom tank builds, aquarium consultations and aquascaping.
- Livestock & products
- Live PlantsPlanted TanksShrimpBettasInvertebratesCichlidsRare SpeciesFish FoodDry GoodsAquarium Equipment
- Specializes in
Highlights
What makes them special
- Bettas housed in individual one-gallon planted tanks instead of cups
- Among the cheapest high-quality aquatic plants in the Austin area, plus driftwood, stones, and hardscape for aquascaping
- Free water testing and hands-on cycling and stocking guidance for beginners
- Custom tanks built in-house with display aquascapes throughout the store
- Staff (John, Sean, Blake, Reid, Don, Tran) known for honest, no-upsell advice
From keepers
Customer reviews
“All plants come from Tiny Aquatics. They really know their stuff.”
— Morgan Davis5.0a day ago“Everyone is always so helpful and I always find exactly what i'm looking for, and something new 😀”
— margit reed5.0a day ago“My husband and I got some starter fish. We were impressed with the selection, reasonable prices, and proper care of the fish. All of the workers there were very helpful and gave us good advice on what fish and accessories to get. One of our guppies didn't make the 1hr car ride home, likely from the stress, but I kind of expected that. We will be getting all our future fish from here!”
— Trinity Faith5.04 days ago“Very clean, a variety of beautiful fish, all healthy, well taken care of, and great employees. Earned a customer for life”
— C m5.0a week ago“Simply the best in Austin. All of their staff is super knowledgeable as well”
— Local poster5.02 weeks ago“Lots of fish, plants and all your aquarium necessities kn one place. Very knowledgeable staff so if you are a beginner they will answer all your questions and give you advice.”
— Mark Martinez5.02 weeks ago“They are knowledgeable, friendly and incredibly helpful for clueless beginners. Great store!”
— Adam Duncan5.03 weeks ago“Great staff very helpful just ask them for what you're looking for and be honest and they will help you”
— Lewis McCauley5.03 weeks ago“I highly recommend Tiny Aquatics! From the moment we walked in, we were amazed by the clean tanks, cool setups, and mesmerizing aquatic life. Even better, the customer service is truly top-notch. John and the entire staff took the time to teach us everything we needed to know. We barely knew anything about fish when we started, but they helped us learn how to set up a gorgeous, thriving tank. What really sets them apart is their honesty—they gave us expert advice tailored to our needs without ever trying to upsell us. A fantastic, trustworthy shop for both beginners and experienced hobbyists alike!”
— MiReyna Fernandes5.04 weeks ago“I absolutely love this shop. They have earned a customer for life! John and the entire staff are incredible. They are very passionate, patient, and knowledgeable. Whether you are a beginner setting up your tank like us, or an experienced aquarist, they never fail to take the time to give out the best advice and answer our questions. There is also a large variety of healthy livestock, and their tanks are spotless. It is definitely the best shop I have ever been to—highly recommended!”
— Leilani Fernandes5.04 weeks ago
Reference
Frequently asked questions
Note — Store information and services may change. Always call (512) 629-9294 to confirm current availability, hours, and services before visiting Tiny Aquatics.