The Most Unique Aquarium Accessories We’ve Ever Seen

Written by Kathryn Koehler

Published: March 13, 2025

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If you are the proud owner of an aquarium full of fish, then you know that discovering a new accessory to add to the tank is always a pleasure. Whimsical, practical, or simply ornamental, accessorizing is part of the joy of having an aquarium. Here are some unique aquarium accessories that will surely bring you and your finned friends loads of enjoyment.

Neptune Statue

Neptune will watch over your aquatic friends.

Why settle for less than the Roman god of the sea watching over your aquarium? Made by Kanabo Studio, a small 3D printing business based in Baltimore, Maryland, Neptune caught my eye thanks to the rich detail. I will admit that I don’t know the first thing about 3D printing, but I was impressed with how realistic and finely chiseled Neptune appears. The 5-star reviews discuss the quality of the merchandise and how quickly Neptune ships. Besides Neptune ($26.80), see all the interesting things Kanabo Studio can 3D print!

Aquarium Tunnel

This tunnel allows you to view your aqua pets in a whole new way!

Anyone who has ever had an aquarium knows the frustration of purchasing a fish that is rarely spotted once it’s released into the tank. Enter Beardie Warehouse’s aquarium tunnel for optimal viewing of those introverted types. This clever design, out of Levittown, Pennsylvania, creates a safe harbor for your pet and a bird’s-eye view for you. Satisfied customer Catherine Jette says, “It’s very cool to see my shy fish that always hide spend time in the underground tunnel!” Beardie Warehouse‘s tunnel is available in three sizes: small ($10), medium ($13), and large ($16) and four colors: beige, black, gray, and white.

Studio Apartment

This adorable apartment comfortably and stylishly houses your shrimp.

Along with 3D printing, you can add shrimp hobbyists to the list of things I don’t know about. Or didn’t. I have since taken a deep dive into the subject, and no, shrimp hobbyists do not eat their shrimp, though they might feed them to other animals. According to my research, shrimp can be fascinating and calming to watch as they glide effortlessly through the water. Why not add a bit of whimsy to your shrimp tank with 3D Aquatic Solutions‘ Shrimp Rental Studio? The fully furnished apartment, printed in Toronto, Ontario, Canada, gives your shrimp a place to chill, and according to the reviews, shrimp love it! This aquarium accessory is available in 17 colors, including peach ($13.93) and neon green ($17.73).

Hidey Hole

This accessory attaches to the side of your aquarium with a suction cup.

Based in Visalia, California, 3D Print Cave has numerous innovative aquarium/vivarium accessories for frogs, fish, spiders, and more! Regardless of the species, we want our pets to feel safe, and some pets simply feel safer when they have a place to hide. Made from recycled corn-based plastic, this crafty design suctions directly to your aquarium, creating a safe place for reptiles, amphibians, and aquatic vertebrates. 3D Print Cave‘s suction cup tunnel ($24.99) is available in 15 colors and gets rave reviews from satisfied customers, including Annie Huang, whose pet, Snoop Frog, adores his sturdy tunnel. Snoop Frog. Smile.

Aqualoft

This futuristic accessory attaches to the side of your aquarium with magnets.

Stoodies, out of Rochester, New York, makes this magnetic hiding place for axolotls and other bashful aquatic pets. Available in over 50 colors, including “urban fossil gray” and “icy wind,” Stoodies’ Aqualoft gets 5-star reviews from happy customers like Stephanie, whose axolotl Donnie loves it. Because it contains magnets, Stoodies advises that the Aqualoft ($28.50) is not an aquarium accessory for homes with pacemakers and/or small children.

Floating Dock Shrimp Feeder

This attractive and whimsical shrimp feeder helps keep your aquarium cleaner. Fishing cat ($13.50), sold separately

3D Sea Crafts has created a fun and functional feeder for the shrimp hobbyist. Shrimp aren’t the neatest eaters, but this floating dock feeder is designed to trap leftover food debris rather than it settling at the bottom of your tank. The feeding station also encourages your shrimp to interact. Check out all of the charming and practical aquarium accessories 3D Sea Crafts has to offer besides the dock feeder, available in medium ($16.44) or large ($21.68).

Floating Betta Hide

This floating hide keeps your betta fish feeling safe.

The Lid Propz Shop, based in Goshen, Indiana, is another 3D printing business specializing in aquarium accessories. Lid Propz has various 3D-printed accessories designed to keep your betta fish feeling safe, and betta fish enthusiasts are thrilled with the floating betta hide. The 5-star reviews praise the design of this item as well as the top-notch service provided by Logan, the proprietor of Lid Propz Shop. See the floating betta hide ($9.99) and the other innovative accessories Lid Propz Shop has for your bettas.


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About the Author

Kathryn Koehler

Kathryn Koehler is a writer at A-Z-Animals where her focus is on unusual animals, places, and events. Kat has over 20 years of experience as a professional writer and educator. She holds a master's degree from Vanderbilt University. When she is not writing for A-Z-Animals, Kat enjoys puttering in her garden, baking deliciously healthful treats for her family, and playing with her two rescue mutts, Popcorn and Scooter. She resides in Tennessee.

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