Rock Cave Ornament Aquarium Decorations Large Aquarium Hiding Decor Delicate Aquarium Cave Vivid Shrimp Cave Decor

25 Gallon Pagoda Crema Aquarium Decoration Aquascape Rock, 25 lbs., Medium/Large, Cream / Brown

Pagoda Stone or what we call Crema Textured Stone is named after its rugged shape and many layers of texture, formed after thousands of years of material deposit. Each piece is unique with its own character and style. Layers of this stone under water... ... more

Castle Ornament Colorful Aquarium Decor, Large, Pink

GloFish decorative ornaments are the perfect way to quickly convert any aquarium into an exquisite fish environment. The ornaments are designed to create an underwater paradise for your fluorescent fish and stand out beautifully under blue LED lights.... ... 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

Penn Plax Age-of-magic Extra Large Wizard’s Castle Part A Aquarium Decoration in Black/Gray | 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

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

25 Gallon Petrified Red Wood Aquarium Decoration Aquascape Stone, 22 lbs., Medium/Large, Red / Off-White

Red Petrified Wood or what we call Redwood Petrified Stone is named after its Red color and fossilized vegetation texture. This rock wood was formed over millions of years as fossilized remains of trees or other vegetation where the organic materials... ... more

Penn Plax Aquarium Decoration Wood (best for furniture style stands) in Brown | 1.9 H x 14 W x 5 D in | Wayfair RR701

Rock Grotto Aquarium Ornament This realistic rock look is appealing to all aquarium creatures. They will vie for their favorite spot. Fish love the in and out action just like small ocean caves. Choose the large, medium or corner design for your style... ... more

Penn Plax Edward Novelty Aquarium Decoration Wood (best for furniture style stands) in Brown | 1.6 H x 10.3 W x 4.6 D in | Wayfair RR702

Rock Grotto Aquarium Ornament This realistic rock look is appealing to all aquarium creatures. They will vie for their favorite spot. Fish love the in and out action just like small ocean caves. Choose the large, medium or corner design for your style... ... more

Penn Plax Aquarium Decoration Wood (best for furniture style stands) in Brown | 2 H x 9.8 W x 9 D in | Wayfair RR815

The sunken gardens aged bell with attached plant provides a great cave effect for your fish. These familiar relics are made of finely detailed resin and include realistic, silk-like plants attached directly to the ornament. This ornament is a... ... more

Penn Plax Spongebob Squarepants 3-piece Aquarium Ornament Bundle – Large in Brown/Gray/Yellow | 8 H x 5 W x 4.25 D in | Wayfair SBRK3NH

This money-saving 3-Piece Aquarium Ornament Bundle features officially licensed SpongeBob SquarePants decorations. This bundle includes SpongeBob’s Pineapple House, Squidward’s Easter Island Home, and Krusty Krab. Get all 3 for 1 amazing price! Made of... ... 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

Penn Plax Aquarium Decoration Wood (best for furniture style stands) in Brown/White | 2.4 H x 15 W x 7.5 D in | Wayfair RR3109

Add some ominous charm and vivid color to your fish tank with the Large Tan Plane Coral Scape! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for larger fish tanks! Most small and medium fish can swim through and... ... more

Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Blue/Brown/Green | 2.6 H x 13.8 W x 6 D in | Wayfair RR3107

Add some ominous charm and vivid color to your fish tank with the Large Blue Plane Coral Scape! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for larger fish tanks! Most small and medium fish can swim through and... ... more

Penn Plax Novelty Aquarium Decoration Wood (best for furniture style stands) in Brown | 2.2 H x 11.8 W x 15 D in | Wayfair RR3110

Add some ominous charm and vivid color to your fish tank with the Large Wrecked Jet! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for larger fish tanks! Most small and medium fish can swim through and around it,... ... more

Penn Plax Aquarium Accessory, Granite in Gray/White | 6 H x 7 W x 7 D in | Wayfair RR1075

Deco-Replicas presents the Granite Aquarium Ornament & Hideaway 2 Piece Set (Large & Extra Large). Although these items are not made from granite, they resemble the real thing. Not only does these pieces compliment the interior décor of many modern... ... more

Penn Plax Aquarium Accessory, Granite | 3.5 H x 6 W x 5.5 D in | Wayfair RR1073

Deco-Replicas presents the Granite Aquarium Ornament & Hideaway (Large Size) by Penn-Plax. Although this item not made from granite, it resembles the real thing. Not only does this piece compliment the interior décor of many modern homes, it also... ... more

Natural Rock, 8" L X 13.75" W, Large, Brown / Green

Penn-Plax's instant 1 piece natural decor takes the guess work out of creating a beautiful aquascape inside of your aquarium. Simply place this decor piece in your tank and you will not need anything else. This will sure be a great addition to your tank. ... more

Deco Replica Grotto Cliff Ornament, 9.5" L X 3.75" W X 4.25" H, Medium, Brown / Multi-Color

The Medium Deco Cliff is a natural looking resin ornament for your aquarium. The beautifully detailed cliff is full of caves and openings for your fish to explore. ... more

Coral Pink Anemones Reef, Large

PENN-PLAX presents the Coral Reef Aquarium Decoration line! In addition to featuring several silicone anemones that sway with your tank's water, our Coral Reef aquarium decorations provide numerous caves and hideouts for fish to swim through. ... more

Coral Green Anemones Reef, Large

PENN-PLAX presents the Coral Reef Aquarium Decoration line! In addition to featuring several silicone anemones that sway with your tank's water, our Coral Reef aquarium decorations provide numerous caves and hideouts for fish to swim through. ... more

Bell, 9.75" L X 9.25" W, X-Large, Brown / Green

Penn-Plax's aged bell aquarium decoration is a realistic ornament with life-like plants. It also offers swim through passageways for your fish. ... 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