3 Sets of Underwater Castle Adorn Aquarium Castle Ornament Fish Tank Castle Fish Tank Ornament

Blue Ribbon Pink Pixie Castle Aquarium Ornament, 4.25 IN, Multi-Color

Boring tanks are history! Create an undersea world of enchantment & spark your imagination with a colorful castle aquarium ornament. ... more

Penn Plax Age-of-magic Extra Large Wizard’s Castle Part B Aquarium Decoration | 15.5 H x 13 W x 9 D in | Wayfair RRW10

Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features an Extra large gray castle perched upon a rocky hill, with blue cone-shaped roofs, towers, archways, and... ... more

Penn Plax Age-of-magic Extra Large Wizard’s Castle Part A Aquarium Decoration | 14 H x 12.75 W x 6.5 D in | Wayfair RRW9

Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features an Extra large gray castle perched upon a rocky hill, with blue cone-shaped roofs, towers, archways, and... ... more

Penn Plax Age-of-magic Large Wizard’s Castle Aquarium Decoration | 10 H x 7.25 W x 5.5 D in | Wayfair RRW8

Add some whimsical charm and wonder to your fish tank with the Large Wizard’s Castle Aquarium Decoration detailed aquarium decoration. This fully colored aquatic ornament features a large gray castle perched upon a rocky hill, with a cone-shaped roof,... ... more

Lofty Red Castle Aquarium Ornament, Mini

The Imagitarium Lofty Red Castle Aquarium Ornament features an antique style structure with a crimson trim, winding stairs and crawling green and yellow coral accents. Your smaller fish will enjoy being able to duck through the openings under this... ... more

Volcano Ornament Aquarium Decor, 3.31" L x 2.38" W x 3.44" H, One Size Fits All, Multi-Color

The ornaments are designed to create an underwater paradise for your fluorescent fish and stand out beautifully under blue LED lights. The Volcano Ornament creates a unique aquatic experience for your fish. It provides an excellent hideaway for fish,... ... more

South Castle Aquarium Decor, 8.2 LBS, Blue / Brown

Create an enchanted underwater world of kings and queens, wizards and witches with our Wizard's Castle. Our castles create a peaceful hideaway for your fish while adding beauty and a touch of mystery to your aquarium. This poly-resin, precision... ... more

Safe Start Plus For Newly Set-Up Fish Aquariums, 3.38 fl.oz., 3.38 oz.

Tetra Safe Start Plus creates a biologically active environment to allow fast introduction of fish into newly set-up fish aquariums. Tetra Safe Start Plus reduces dangerous ammonia and nitrite and prevents new tank syndrome for a healthy start for fish... ... more

Lighthouse Aquarium Ornament, 3.7" L X 3.7" W X 8.5" H, .7 LBS, Brown

Lighthouses are the beautiful beacons for safety in the ocean and now they can lead your way to a unique and beautiful aquarium. Sandy, underwater look, and features places for your fish to swim through and hide. ... more

Penn Plax SpongeBob 7-Piece Mini Aquarium Ornament Set in Black/Blue/Yellow | 2 H x 1 W x 1 D in | Wayfair SBRK2NH

Turn your fish tank into your very own Bikini Bottom with this 7 Piece Mini Aquarium Ornament Set, which includes SpongeBob, Patrick, Sandy, Squidward, Gary, Mr. Krabs, and Plankton. Made of Safe and Durable Resin: All included pieces are inspected... ... more

Penn Plax Action-Air Aquarium Ornaments Aquarium Accessory | 5.5 H x 4.5 W x 2.5 D in | Wayfair 075

Powered by an aquarium air pump, the pirate's skeleton still mans the helm, swaying left and right with the forthcoming bubbles. This real motion, air driven ornament will provide hours of fun and entertainment inside your fish tank! Aerate Your... ... more

Bubbling LED Volcano Aquarium Ornament, Standard

The Imagitarium Bubbling LED Volcano Aquarium Ornament aerates water as it lights up your fish tank with an eye-catching stream of effervescent bubbles. Complete the scene with Imagitarium's wide selection of aquarium decor. ... more

Tucker Murphy Pet™ Daythan Aquarium Tank Acrylic (shatterproof w/ great clarity) | 4.7 H x 15 W x 5.7 D in | Wayfair

A good ornament can soothe our mood and soul, and give us emotional sustenance. Our fish tank does this very well. Exquisite acrylic with high transparency and bright LED light allow you to clearly appreciate fishes inside. Multiple considerate designs... ... more

Penn Plax Age-of-Magic Aquarium Decorations Aquarium Accessory | 8 H x 5.25 W x 3.75 D in | Wayfair RRW12

Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features a medium castle perched upon a rocky hill, with a cone-shaped roof, towers, archways, and stone details... ... more

Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Brown | 1 H x 3.8 W x 8.3 D in | Wayfair RR971

The Striped Sail Shipwreck Aquarium Ornament adds a colorful exciting underwater shipwreck theme to your fish tank. This ornament replicates a sunken ship that lays on a rock deep in the ocean waiting to be discovered. The vibrant red, white, and green... ... more

The Holiday Aisle® Heina Aquarium LED Light Metal (great for large aquariums) in Black | 3 H x 26.8 W x 5.6 D in | Wayfair

The 12"-48" LED Light Aquarium Fish Tank, is a revolutionary addition to your aquatic paradise. This upgraded colorful full spectrum LED aquarium light with extendable brackets is meticulously designed to enhance the vibrancy of your underwater world.... ... more

The Holiday Aisle® Heina Aquarium LED Light Metal (great for large aquariums) in Black | 3 H x 14.4 W x 5.6 D in | Wayfair

The 12"-48" LED Light Aquarium Fish Tank, is a revolutionary addition to your aquatic paradise. This upgraded colorful full spectrum LED aquarium light with extendable brackets is meticulously designed to enhance the vibrancy of your underwater world.... ... more

The Holiday Aisle® Heina Aquarium LED Light Metal (great for large aquariums) in Black | 3 H x 38.8 W x 5.6 D in | Wayfair

The 12"-48" LED Light Aquarium Fish Tank, is a revolutionary addition to your aquatic paradise. This upgraded colorful full spectrum LED aquarium light with extendable brackets is meticulously designed to enhance the vibrancy of your underwater world.... ... more

The Holiday Aisle® Heina Aquarium LED Light Metal (great for large aquariums) in Black | 3 H x 14.4 W x 5.6 D in | Wayfair

The 12"-48" LED Light Aquarium Fish Tank, is a revolutionary addition to your aquatic paradise. This upgraded colorful full spectrum LED aquarium light with extendable brackets is meticulously designed to enhance the vibrancy of your underwater world.... ... more

The Holiday Aisle® Heina Aquarium LED Light Metal (great for large aquariums) in Black | 3 H x 18.8 W x 5.6 D in | Wayfair

The 12"-48" LED Light Aquarium Fish Tank, is a revolutionary addition to your aquatic paradise. This upgraded colorful full spectrum LED aquarium light with extendable brackets is meticulously designed to enhance the vibrancy of your underwater world.... ... more

Penn Plax Age-of-Magic Aquarium Decorations Aquarium Accessory | 12 H x 7.25 W x 5.75 D in | Wayfair RRW13

Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features a large castle perched upon a rocky hill, with a cone-shaped roof, towers, archways, and stone details that... ... more

Tucker Murphy Pet™ Derolus Novelty Aquarium Decoration in Red | 15.7 H x 3.1 W x 3.1 D in | Wayfair 2F335D8425AE442381393D48A53D583C

Transform your aquarium into a vibrant underwater paradise with our artificial plants designed specifically for fish tank decorations. These lifelike plants provide you with a hassle-free, low-maintenance way to always be vibrant without the need for... ... more

Tucker Murphy Pet™ Derolus Novelty Aquarium Decoration in Indigo | 15.7 H x 3.1 W x 3.1 D in | Wayfair 58B23A4AC8E443DE9E1954BD36710E5D

Transform your aquarium into a vibrant underwater paradise with our artificial plants designed specifically for fish tank decorations. These lifelike plants provide you with a hassle-free, low-maintenance way to always be vibrant without the need for... ... more

Tucker Murphy Pet™ Derolus Novelty Aquarium Decoration in Green | 15.7 H x 3.1 W x 3.1 D in | Wayfair 75FF2048D61047378969D2651E385241

Transform your aquarium into a vibrant underwater paradise with our artificial plants designed specifically for fish tank decorations. These lifelike plants provide you with a hassle-free, low-maintenance way to always be vibrant without the need for... ... more

Tucker Murphy Pet™ Derolus Novelty Aquarium Decoration in Indigo | 15.7 H x 3.1 W x 3.1 D in | Wayfair 58B23A4AC8E443DE9E1954BD36710E5D

Transform your aquarium into a vibrant underwater paradise with our artificial plants designed specifically for fish tank decorations. These lifelike plants provide you with a hassle-free, low-maintenance way to always be vibrant without the need for... ... more

Penn Plax Aquarium Accessory | 3.5 H x 2.5 W x 2.5 D in | Wayfair BSHRB1

Bring some joy and doo doo doo doo doo doo into your fish tank with some Baby Shark! These small, double-sided aquarium ornaments are great for decorating a child’s fish tank, especially if they love singing along to the catchy tune! This 2-Piece... ... more

Penn Plax 0.7 Gallon Frozen Betta Aquarium Kit Acrylic (shatterproof w/ great clarity) in Blue | 6.5 H x 10.75 W x 3.5 D in | Wayfair FZR108

Recreate the magic of Disney in your aquarium 0.7 gallons includes favorite character top decor, frozen ice castle background, tank and lid. | Penn Plax 0.7 Gallon Frozen Betta Aquarium Kit Acrylic (shatterproof w/ great clarity) in Blue | 6.5 H x... ... more

Penn Plax Aquarium Accessory | Wayfair JPRB1

From the creative minds at Universal Studios, bring some chaos into your fish tank with this 2-Piece Aquarium Ornament Bundle. These small, officially licensed Aquarium Ornaments are perfect for desktop aquariums, and are great for anyone who loves the... ... more

Penn Plax Disney’s Frozen 4-piece Mini Aquarium Decoration Bundle | Wayfair FZR1B

From the creative minds at Disney, bring some melodic joy and excitement from Arendelle into your fish tank with this Frozen 4-Piece Aquarium Decoration Bundle! These mini, officially licensed aquarium ornaments are perfect for desktop aquariums and... ... more

U3 Underwater Filter, 1 LBS

Where do fish go when they're feeling down? To the filter for some TLC! And if you've got a 24-40 gallon aquarium, the Fluval U3 Underwater Filter is the perfect match for your aquatic buddies. This filter is like a superhero for your tank, with three... ... more

Shipwreck, 12.5" L X 5" W, Small, Brown / Blue

Sometimes all an aquarium needs is a little wreckage, like this Penn Plax Shipwreck Aquarium ornament. This is a classic aquarium decoration that both fish and human will love. Give your tank the look of an underbattle theme. ... more

Sugar Skull with Flowers, .26 LB

Boring tanks are history! Create an undersea world of forgotten treasures & spark your imagination with a beautiful Sugar Skull aquarium ornament. This poly-resin ornament features intricate detailing and fish-safe materials. ... more

Driftwood Gardens, 15.25" L X 11.75" W, Large, Brown / Green

Penn-Plax's beautifully designed ornament combines the natural dirftwood look along with life-like plants. This aquarium decoration will add an amazing, naturalistic look to your fish tank. ... more