Fish tank ornaments are an eye-catching addition to any tank set-up and they can help aquatic life feel comfortable enough to come out of hiding and swim more freely. Realistic-looking aquarium decorations, such as plants, seaweed and driftwood, encourage fish to display their natural behaviours. There are also many fun and unusual options, from glow-in-the-dark jellyfish to themed Disney and Marvel characters.
So, we've got advice for you as well as a list of ten of the most popular fish tank accessories from Amazon, available to order in the UK. Whether you want fish tank decorations which are large or small, budget-friendly or extra-special, you'll find them here. Moreover, we have partnered with veterinarian Natalia Ramírez for reviewing and fact-checking the article to deliver you the best information.
Natalia is a veterinarian with 10 years of experience, specialising in topics related to responsible pet ownership, preventive animal health and nutrition issues that she is currently deepening in her master's studies. She also helps new pet parents by delivering all the necessary information from their arrival at home to different stages of their life.
Research shows that fish are more likely to display their natural behaviours and lead an active lifestyle if they live in an environment that replicates their ocean habitat. Adding live plants to a tank helps to oxygenate the water and provides a natural filter - they can be costly and require more upkeep, plus there is a risk that fish will eat the beautiful plants, and leave them as ragged stumps.
Plastic tank plants, meanwhile, are affordable, low-maintenance and harmless to fish while still providing a naturalistic living space. They're easy to clean and do not require special lights, CO2 or fertilisers to thrive. Plastic plants add colour and texture to your home aquarium, while rocks and artificial driftwood emulate the ocean floor. Real coral and driftwood can bring parasites into the tank and are often not sustainably sourced, so they're best avoided.
You might want to consider some novelty items - besides looking good, they'll also provide additional stimulation for playful fish to swim around and explore. Pirate-themed fish tank ornaments such as skulls, shipwrecks and sunken treasure are classic choices and create a nostalgic narrative. They can look either rustic or quirky depending on the colours and materials used.
Another popular choice for fish lovers of all ages is to add ornaments shaped like well-known animated characters from Disney, Nickelodeon or even the Marvel franchise. Spongebob famously lived in a pineapple under the sea and now your fish can enjoy just such a hideaway. Tropical fish, in particular, may be stimulated and reassured by brightly coloured tank ornaments that simulate the colourful coral reefs found in their natural habitats.
An over-crowded tank is not only time-consuming to clean and messy to look at, but it is also an unpleasant environment for fish to live in. Likewise, a very empty tank will leave fish feeling stressed as they have nowhere to hide or investigate. Carefully measure your tank and look for a good range of ornaments to enhance it without overcrowding it.
If you have a rounded fish bowl, small, narrow pieces with a width of 10 cm or less are a good choice. Tall, slim ornaments also work well as you'll need to crowd them in the flat central base of your bowl. For larger square fish tanks, decorations measuring 15 cm in width or more can be laid out over gravel to provide an interesting landscape for your fish.
If you'd like to really overhaul your set-up, then check out our recommended best fish tanks.
The best fish tank ornaments are waterproof and durable enough to stay submerged under fresh and saltwater conditions, without disintegrating or releasing toxins into the water. Resin and polyresin ornaments are two examples that are both water-resistant and won't add damaging chemicals to your fish's habitat.
As they are an inert material that does not modify the parameters of the aquarium water. The paints and coatings are tested so that they do not have any effect on the water quality and they do not affect the health of the fish or the plants.
Another benefit of resin fish tank ornaments, apart from their durability and non-toxicity, is that they are extremely easy to clean. Scrub them gently with a soft bristle brush to keep them free from the slime and mineral deposits that can build up over time. Silicone decorations are a good choice too; silicone is used as a sealant in most standard fish tanks, so it is not harmful to fish.
While a tank or aquarium with sufficient ornaments will provide some camouflage to help fish feel protected, a decoration with actual space to hide inside goes one step further! A cavern, house or hollow log could all serve as the perfect hiding spot for when fish need a calm, dark place to escape to.
A tank with no hiding places can make fish become stressed, which can cause their health to deteriorate, weaken their immune systems and even affect their colouring. By adding one or two ornaments with a peaceful, private spot for fish to relax, you'll ensure your pets live longer, more contented lives.
For an ornament that does more than sit and look pretty, consider an aquarium bubbler or air stone (a bubbler made of porous rock or lime wood) for your fish tank. They pump tiny air bubbles into the water, which rise, agitate the surface of the water and allow more oxygen to dissolve into the water as a result. In turn, this improves the living conditions for fish and plants.
Some tank ornaments are designed to sit on top of the flexible tubing through which the air bubbles flow, making it look as though the bubbles are erupting from a volcano, for example. Double-check whether the air pump is included, though, as sellers often show bubbles in their images but the small print reveals the pump must be purchased separately, usually for under £20.
A final special feature that makes an ornament into something more interesting is the addition of glow in the dark or UV-activated colours. Whether it's fake plants, scattered glowing pebbles or a more statement aquarium ornament, the addition of some colour helps your fish tank radiate with life at night.
Colourful, glowing ornaments may require a separate purchase of a tank light, but the final effect is truly hypnotic, as the colours of the tank and the swirling movements of your fish create a gorgeous visual result. There is no evidence to suggest that glowing ornaments or fish tank lights have any adverse effect on fish.
For those after a quick look, here is our Top 5:
For a more in-depth look at the comprehensive top 10 selection, make sure to read on to learn more about the different types of fish tank ornaments available and understand how our ranking was determined.
This article’s chosen EC site price listings are reflective of its publishing date.
Aquarium Decoration Tree Trunk
Shipwreck, Plants and Luminous Stones Ornament Set
Six Glowing Jellyfish Ornaments
Fish Tank Skull Ornament With Plants
Rockery and Plants Fish Tank Ornament Set
The World of Nemo Crush Turtle Ornament
Aquarium Volcano Bubbler Ornament
Groot Air Bubbler Decoration
Undersea Treasure Chest Diver Ornament
The Best Natural-Looking Driftwood Fish Hidey-Hole
Cost-Effective Selection of 6 Cheerful Decorations
Colourful, Floating Jellyfish Which Glow Under a Fish Tank Light
A Pirate-Style Skull For the Perfect Hiding Place
Add Fun to Your Tank With Cartoon Spongebob Architecture
13-Piece Rocks and Foliage Set for a Naturalistic Fish Tank
Start Your Disney Pixar Nemo Collection With Crush the Turtle
A Colourful Underwater Bubble Eruption
Cute Cartoon Character With a Natural Aesthetic and Bubbles in His Hair
A Great Novelty Pick That's Not Too Gaudy
|Theme||Natural features||Shipwreck and plants||Faux fish||Pirates and plants||Cartoon character||Natural features||Cartoon character||Natural landscape||Cartoon character||Pirates|
|Dimensions||16 x 6.5 x 6 cm & 13.5 x 10 x 6.8 cm||Boat 15 x 5.5 x 11.5 cm, plants 3 x 8 x 2 cm, stones 2 x 3 cm||5 x 12 cm||11 x 13 x 14 cm||10 x 9 x 16 cm, 7 x 7 x 15 cm, 9 x 6 x 9 cm||19.3 x 17.5 x 6.8 cm||6.4 x 7.6 x 6.4 cm||15.5 x 15.2 x 9.1 cm||11 x 10 x 13 cm||13.2 x 8 x 5 cm|
|Material||Resin||Resin, plastic and stone||Silicone||Polyresin||Polyresin||Silicone, resin and ceramic||Polyresin||Resin||Resin||Resin and plastic|
|Special Features||Hiding space||Glow in the dark stones||Glow under UV light||Hiding space||Hiding space||-||-||Bubble maker with UV light effect||Fits over air pump (not included)||Fits over air pump (not included), lid opens and closes, diver floats|
This ranking has been compiled by the writing team at mybest UK via careful evaluation of the points made in the buying guide and thorough research of each product and comparing multiple verified customer reviews across the EC sites used.
|Dimensions||16 x 6.5 x 6 cm & 13.5 x 10 x 6.8 cm|
|Special Features||Hiding space|
|Theme||Shipwreck and plants|
|Dimensions||Boat 15 x 5.5 x 11.5 cm, plants 3 x 8 x 2 cm, stones 2 x 3 cm|
|Material||Resin, plastic and stone|
|Special Features||Glow in the dark stones|
|Dimensions||5 x 12 cm|
|Special Features||Glow under UV light|
|Theme||Pirates and plants|
|Dimensions||11 x 13 x 14 cm|
|Special Features||Hiding space|
|Dimensions||10 x 9 x 16 cm, 7 x 7 x 15 cm, 9 x 6 x 9 cm|
|Special Features||Hiding space|
|Dimensions||19.3 x 17.5 x 6.8 cm|
|Material||Silicone, resin and ceramic|
|Dimensions||6.4 x 7.6 x 6.4 cm|
|Dimensions||15.5 x 15.2 x 9.1 cm|
|Special Features||Bubble maker with UV light effect|
|Dimensions||11 x 10 x 13 cm|
|Special Features||Fits over air pump (not included)|
|Dimensions||13.2 x 8 x 5 cm|
|Material||Resin and plastic|
|Special Features||Fits over air pump (not included), lid opens and closes, diver floats|
If you're a pet owner, we have a range of articles for you that'll help you choose products! To deliver the appropriate information, some of our articles are also reviewed/fact-checked by veterinary, so keep browsing!
Written and researched by Annie Hopkins
We partner with specialists across various fields to proof-read our buying guides to deliver accurate and reliable information. Our specialists do not endorse any products that we recommend.
- mybest UK
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