About
Worlds Under Water is a saltwater and freshwater aquarium store in Fayetteville, AR, with a reputation that pulls hobbyists from across Northwest Arkansas and the River Valley — some happily driving past other shops, even two hours each way, for the quality here. The saltwater side is the showpiece: vibrant corals, anemones, and reef fish are for sale in crystal-clear display tanks that double as aquascaping inspiration, and longtime customers report their saltwater purchases still thriving years after bringing them home. The freshwater selection runs just as deep.
If you're searching for cichlids, tetras, or neon tetras near you, this is the Fayetteville store that carries them, alongside angelfish, catfish, gobies, guppies and other livebearers — one customer even scored an adult super red Oscar at a great price. Live aquarium plants earn steady praise for their variety and condition, and the freshwater shrimp and invertebrate selection has built real trust, with buyers reporting healthy arrivals and zero losses. Beyond livestock, the team offers practical, hands-on help.
Stephen Beard handles tank maintenance and setup for both homes and offices — servicing saltwater systems twice a month and freshwater tanks monthly — and Stephen and Brandon are the names regulars credit with rescuing struggling tanks and answering tough water-quality questions. Consultation and tank-setup support make it an easy place for first-timers to start and for veterans to level up. The store itself is meticulously clean, with featured display tanks and well-kept stock tanks that reflect genuine care, plus prices regulars consistently call reasonable.
Thursday is restock day, so popular fish and corals move quickly — get there early. For corals, reef fish, live plants, cichlids, shrimp, and real aquarium expertise for sale in Fayetteville, AR, Worlds Under Water is the local destination.
What they offer
Fish & livestock for sale at Worlds Under Water in Fayetteville, AR
Worlds Under Water stocks corals, cichlids, tetras, invertebrates, shrimp, anemones, angelfish, catfish, aquarium plants and freshwater & saltwater fish for sale in Fayetteville, AR. As an aquarium store serving Fayetteville, AR, it also offers tank maintenance, aquarium consultations and aquarium setup.
- Livestock & products
- Services
- Specializes in
Highlights
What makes them special
- Stunning display tanks that serve as aquascaping inspiration
- Stephen Beard offers regular saltwater and freshwater tank maintenance services
- Customers report exceptional fish longevity — saltwater purchases thriving years later
- Strong freshwater selection including cichlids, tetras, guppies, angelfish, and catfish
- Vibrant coral and anemone selection with crystal-clear saltwater displays
From keepers
Customer reviews
“Always a great experience here! Very helpful and knowledgeable on anything you might need assistance with 🐠”
— Jessie Stafford5.0a week ago“Worlds Under Water is out of this world!! A health concern required us to move 2 large established marine aquariums from one house to another in a hurry. Brandon and and 2 assistants came through promptly, with professionalism! I sincerely appreciate their attentiveness to my precious fish, and their outstanding skillset to disassemble, transport and re-establish not just 1, but 2 whole aquariums in a single afternoon, and everything lived!! Thank you!!”
— Ria Smith5.03 weeks ago“The fish are all very well kept and the personal knows everything about the fish. They have very good deals on fish tanks and terrariums, including pre-owned tanks. Fresh water fish and salt water fish alike. Their betas are kept in nice little tanks with circulating water and plants. Definitely a place to go to!”
— Simon1235.04 weeks ago“Absolutely incredible place. The fish are beautiful, the staff is knowledgeable, and the atmosphere is truly one of a kind. Went in expecting exotic fish and aquatic plants, left with a great experience. Big shoutout to Khalid for being kind and helpful, and making the place even better.”
— Kaitlyn Crawford5.0a month ago“So helpful and nice :)”
— Hannah Maki5.02 months ago“Always great!”
— John Bartholomew5.02 months ago“Excellent experience. Honest help.!”
— Michael Younkin4.02 months ago“love worlds underwater so much! i have been shopping with them for 2 years and have never had any problems. the plants i buy from them are always in exceptional shape and grow quickly inside my tanks. i don’t use any fancy fertilizer or anything so i am always pleased when they work out well. they have a good rock collection, though i have noticed i am sometimes incorrectly charged, but i don’t mind as their prices are excellent and i consider it a tip lol. their plant prices are comparable to petsmart and petco, but their quality is exponentially higher.”
— sunali bowen5.03 months ago“Amazing aquarium store. Prices are a little above average, but selection is great. Aquariums are beautiful!”
— Michelle French5.03 months ago“This place is such a gem. I wish I had found them sooner - such a wide variety of fish and supplies that you won't find anywhere else. Every shrimp, snail and fish I've purchased from them has remained healthy for years now. There's a lot of inspo to get there too from all their beautiful tanks. I moved away 6 months ago and there really is no other place like it! It'll be worth the 1.5 hour drive back to stock up 🔥”
— Unity Chapman5.03 months ago
Reference
Frequently asked questions
Note — Store information and services may change. Always call (479) 521-7258 to confirm current availability, hours, and services before visiting Worlds Under Water.