Decorations

Items 1 to 48 of 915 total

If you truly want to create a unique habitat for your fish, turn to Big Al’s Pets. We carry more than 500 aquarium decorations to give you endless options for personalizing your aquarium. We’ll help you set the stage with decorative rocks and stones and gorgeous backgrounds to finish your aquarium scenery. Then, you can choose from our huge selection of plastic plants, silk plants, driftwood, and coral replicas to create an underwater paradise for your fish. We even have resin, ceramic, and aerating ornaments as well as submersible colored lights to add visual appeal to your aquarium.

You won’t find a selection this extensive at any other online retailer. And with our great sale prices, we make it easy to decorate your tank from top to bottom without going over budget. Browse our collection today to find the aquarium decorations you’ve been searching for.
  • Underwater Treasures Aquarium Wood - Medium
    • Wood roots compliment aquatic environments
    • Safe for freshwater and saltwater aquariums!
    • Pieces vary in shape and size within the range
    • Medium - each piece is approximately 7" to 18"
    USD 19.99
    USD 19.99
  • Underwater Treasures 3D Background - Cave Wall - 24"
    • Made with non-toxic polyurethane foam
    • Great for both freshwater and saltwater applications
    • Also great for terrestrial, aquatic, and semi-aquatic terrariums
    • Will not affect the pH of your aquarium
    • Installs easily with standard aquarium silicone

    Regular Price: USD 26.99

    Special Price USD 18.99

    Regular Price: USD 26.99

    Special Price USD 18.99

  • Underwater Treasures Driftwood
    • Incredibly realistic decoration enhances your aquarium!
    • Hand-crafted and painted using the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 19.99

    Special Price USD 13.99

    Regular Price: USD 19.99

    Special Price USD 13.99

  • Underwater Treasures Aquarium Wood - XL
    • Wood roots compliment aquatic environments
    • Safe for freshwater and saltwater aquariums!
    • Pieces vary in shape and size within the range
    • XLarge - each piece is approximately 19" - 28"

    Regular Price: USD 99.99

    Special Price USD 49.99

    Regular Price: USD 99.99

    Special Price USD 49.99

  • Underwater Treasures Tree Stump with Roots
    • Incredibly realistic decoration enhances your aquarium!
    • Hand-crafted and painted using the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 13.99

    Special Price USD 7.99

    Regular Price: USD 13.99

    Special Price USD 7.99

  • Underwater Treasures Aquarium Wood - Large
    • Wood roots compliment aquatic environments
    • Safe for freshwater and saltwater aquariums!
    • Pieces vary in shape and size within the range
    • Large - each piece is approximately 15" to 24"

    Regular Price: USD 79.99

    Special Price USD 39.99

    Regular Price: USD 79.99

    Special Price USD 39.99

  • Big Al's Jungle River Plant Pack
    • Brings a darkened exotic experience inside of your aquarium
    • Features Carp Grass with a decorative Tree Stump with Roots
    • Includes a Grassy Scene with a 3 Pack of Natural Moss Pebbles
    • The elegant Lace Grass Scene tops it off for an admirable look
    • Create an exciting atmosphere for you and your fish to enjoy!

    Regular Price: USD 29.45

    Special Price USD 24.99

    Regular Price: USD 29.45

    Special Price USD 24.99

  • Fluval Stratum - 17.6 lb
    • Volcanic soil from the foothills of Mount Aso Volcano
    • Ideal substrate for growth of freshwater aquatic plants
    • Packed with readily available minerals and nutrients
    • Supports nitrifying bacteria to help maintain water quality
    • Perfect for shrimp - protects newborns from predation!

    Regular Price: USD 32.99

    Special Price USD 26.99

    Regular Price: USD 32.99

    Special Price USD 26.99

  • Underwater Treasures Cabomba - 24"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials

    Regular Price: USD 8.99

    Special Price USD 5.99

    Regular Price: USD 8.99

    Special Price USD 5.99

  • Underwater Treasures White Stone River/Rock Wall Reversible Background - 24"
    • Conceals unsightly hoses and wiring behind your aquarium
    • Makes your aquascape and fish POP!
    • Sold by the foot and easy to cut for a custom fit

    Regular Price: USD 2.99

    Special Price USD 1.99

    Regular Price: USD 2.99

    Special Price USD 1.99

  • Underwater Treasures Green Moneywort - 2.5"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 0.99

    Special Price USD 0.69

    Regular Price: USD 0.99

    Special Price USD 0.69

  • Underwater Treasures Two Cave Mountain
    These incredibly realistic decorations are hand crafted and painted using only the highest quality materials. Non-toxic, and safe for use in both freshwater and saltwater aquariums. Enhance your aquarium with any of these exciting decorations!

    Regular Price: USD 8.99

    Special Price USD 5.99

    Regular Price: USD 8.99

    Special Price USD 5.99

  • Underwater Treasures Underwater Driftwood - Large
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 140.99

    Special Price USD 124.99

    Regular Price: USD 140.99

    Special Price USD 124.99

  • Underwater Treasures 3D Background - Vines - 24"
    • Made with non-toxic polyurethane foam
    • Great for both freshwater and saltwater applications
    • Also great for terrestrial, aquatic, and semi-aquatic terrariums
    • Will not affect the pH of your aquarium
    • Installs easily with standard aquarium silicone

    Regular Price: USD 26.99

    Special Price USD 18.99

    Regular Price: USD 26.99

    Special Price USD 18.99

  • Underwater Treasures Diandra - 16"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your terrariums will help reduce stress on your reptile or amphibian by providing an environment full of lush plant growth which they will use for shade or cover
    • More plants means a more natural and aesthetically pleasing display in your aquarium or terrarium

    Regular Price: USD 4.99

    Special Price USD 3.49

    Regular Price: USD 4.99

    Special Price USD 3.49

  • Underwater Treasures Florida Coral Reef
    Underwater Treasures brings you this wonderful line of coral replicas to compliment your custom aquatic environment. These incredibly realistic decorations are hand crafted and painted using only the highest quality materials.

    Regular Price: USD 53.99

    Special Price USD 34.99

    Regular Price: USD 53.99

    Special Price USD 34.99

  • Zoo Med Betta Bling Tiered Rocks
    • A beautiful addition for any aquatic home
    • Naturalistic design integrates into any setting
    • Attaches to glass with included suction cup

    Regular Price: USD 4.99

    Special Price USD 3.99

    Regular Price: USD 4.99

    Special Price USD 3.99

  • Habi-Scape Tropical Plant with Driftwood
    • Base matches colors of Habi-Scape caves and bowls
    • Offers additional hiding spots to any terrarium pet
    • Very easy to clean and sterilize - 100% non-toxic

    Regular Price: USD 18.99

    Special Price USD 14.99

    Regular Price: USD 18.99

    Special Price USD 14.99

  • Underwater Treasures Water Grass/Grassy Blue Reversible Background - 24"
    • Conceals unsightly hoses and wiring behind your aquarium
    • Makes your aquascape and fish POP!
    • Sold by the foot and easy to cut for a custom fit

    Regular Price: USD 2.99

    Special Price USD 1.99

    Regular Price: USD 2.99

    Special Price USD 1.99

  • Underwater Treasures Green Moneywort - 10"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 2.99

    Special Price USD 1.99

    Regular Price: USD 2.99

    Special Price USD 1.99

  • Underwater Treasures Pirate Ship
    These incredibly realistic decorations are hand crafted and painted using only the highest quality materials. Non-toxic, and safe for use in both freshwater and saltwater aquariums. Enhance your aquarium with any of these exciting decorations!

    Regular Price: USD 44.99

    Special Price USD 29.99

    Regular Price: USD 44.99

    Special Price USD 29.99

  • Underwater Treasures Green Moneywort - 16"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 4.49

    Special Price USD 2.99

    Regular Price: USD 4.49

    Special Price USD 2.99

  • Underwater Galleries 10 Stone Big Rock Box
    • 2 Large Cichlid Stone Caves (7.25" x 6.75" x 5.75") (6401)
    • 2 Medium Cichlid Stone Caves (5.5" x 3.75" x 3.5") (6221)
    • 2 Medium Cichlid Stone Caves (6.25" x 4.25" x 4") (6201)
    • 2 Large Cichlid Stone Boulders (8..25" x 5" x 4.5")/Opening (2.5") (6423)
    • 2 Large Cichlid Stones Toe-Hold Rocks (8" x 5" x 5") (6413)
    USD 59.99
    USD 59.99
  • Underwater Treasures Pitted Rock Wall - Medium
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 33.99

    Special Price USD 24.99

    Regular Price: USD 33.99

    Special Price USD 24.99

  • Fluval Stratum - 4.4 lb
    • Volcanic soil from the foothills of Mount Aso Volcano
    • Ideal substrate for growth of freshwater aquatic plants
    • Packed with readily available minerals and nutrients
    • Supports nitrifying bacteria to help maintain water quality
    • Perfect for shrimp - protects newborns from predation!

    Regular Price: USD 9.99

    Special Price USD 8.49

    Regular Price: USD 9.99

    Special Price USD 8.49

  • Underwater Galleries Cichlid Stone Boulder - Large
    • Ideal for live-bearing tropical fish
    • Perfect for African and South American Cichlids
    • Spacious interior encourages exploration
    • Provides stress-reducing refuge
    • Features a 2.5" opening for easy access

    Regular Price: USD 6.99

    Special Price USD 5.99

    Regular Price: USD 6.99

    Special Price USD 5.99

  • Underwater Treasures Underwater Driftwood - Medium
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 43.99

    Special Price USD 34.99

    Regular Price: USD 43.99

    Special Price USD 34.99

  • Underwater Treasures Cabomba - 10"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials

    Regular Price: USD 2.99

    Special Price USD 1.99

    Regular Price: USD 2.99

    Special Price USD 1.99

  • Underwater Treasures Carp Grass - 3.5" - 6 pk
    • Created with non-toxic materials
    • For a freshwater or saltwater tank
    • A very attractive piece for a tank
    • Easily contrasted to any aquarium
    • Sits nice at the bottom of the tank

    Regular Price: USD 4.99

    Special Price USD 3.99

    Regular Price: USD 4.99

    Special Price USD 3.99

  • Underwater Treasures Mossy Log Cave with Airstone
    • Incredibly detailed decoration enhances your aquascape
    • Makes a great stress-free retreat for smaller fish!
    • Includes built-in airstone to supply vital oxygen!
    • Expertly hand crafted, painted, and finished
    • Safe for freshwater and saltwater aquariums

    Regular Price: USD 5.99

    Special Price USD 3.99

    Regular Price: USD 5.99

    Special Price USD 3.99

  • Underwater Treasures Hairgrass Mat - 10"
    Underwater Treasures plants will make an excellent and exciting addition to your aquarium! Life-like underwater movement and vivid coloration. Safe for use in both freshwater and saltwater aquariums.

    Regular Price: USD 6.99

    Special Price USD 4.99

    Regular Price: USD 6.99

    Special Price USD 4.99

  • Underwater Treasures Natural Moss Pebbles - 3 pk
    • Detailed decorations enhance your aquascape
    • Expertly hand crafted and finished
    • Hollow interiors keep pebbles submerged
    • Made using the highest quality materials
    • Safe for freshwater and saltwater aquariums

    Regular Price: USD 6.49

    Special Price USD 4.99

    Regular Price: USD 6.49

    Special Price USD 4.99

  • Underwater Treasures Reef Cave - Style B
    Underwater Treasures brings you this wonderful line of coral replicas to compliment your custom aquatic environment. These incredibly realistic decorations are hand crafted and painted using only the highest quality materials.

    Regular Price: USD 21.99

    Special Price USD 14.99

    Regular Price: USD 21.99

    Special Price USD 14.99

  • BioBubble Pets Old Log Hide - Horizontal
    • Created with close detail and non-toxic materials
    • Freshwater or saltwater aquariums & terrariums
    • Contrasts well with many different environments
    • Wide entry points allows your fish to swim through
    • Crafted in the USA and hand painted for realism
    USD 16.99
    USD 16.99
  • Underwater Galleries Cichlid Stones - 3 pk
    Underwater Galleries replicas are molded with care, hand-glazed for eye-catching perfection, heated to more than 2100 degrees, and forged into high-fired ceramic. They make Ideal homes for fish- most notably African and South American Cichlids.

    Regular Price: USD 15.99

    Special Price USD 11.99

    Regular Price: USD 15.99

    Special Price USD 11.99

  • Underwater Treasures Lemon Grass - 6"
    • Vivid coloration and realistic appearance
    • Features life-like underwater movement
    • Safe for both freshwater and saltwater environments

    Regular Price: USD 6.99

    Special Price USD 4.99

    Regular Price: USD 6.99

    Special Price USD 4.99

  • Underwater Treasures Red Ludwigia - 16"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 4.49

    Special Price USD 3.99

    Regular Price: USD 4.49

    Special Price USD 3.99

  • DoPhin Bubbling LED Volcano
    • Superbly detailed ornament adds light and oxygen to aquarium
    • Energy-efficient (0.4 W) LED projects a blast of red light!
    • Includes air stone and 5 feet of tubing for endless aerating action
    • Hand crafted and painted using the highest quality materials
    • Non-toxic and safe for use in freshwater and saltwater aquariums

    Regular Price: USD 29.99

    Special Price USD 19.99

    Regular Price: USD 29.99

    Special Price USD 19.99

  • BioBubble Pets Skull Pile Hide
    • Created with close detail and non-toxic materials
    • Freshwater or saltwater aquariums & terrariums
    • Contrasts well with many different environments
    • The caved opening allows your fish or pets to hide
    • Crafted in the USA and hand painted for realism
    USD 12.99
    USD 12.99
  • Underwater Treasures Canyon Rock with Giant Cave
    These incredibly realistic decorations are hand crafted and painted using only the highest quality materials. Non-toxic, and safe for use in both freshwater and saltwater aquariums. Enhance your aquarium with any of these exciting decorations!

    Regular Price: USD 8.99

    Special Price USD 5.99

    Regular Price: USD 8.99

    Special Price USD 5.99

  • Underwater Treasures Sword Grass Scene - 7.5"
    • Created with non-toxic materials
    • For a freshwater or saltwater tank
    • A very attractive piece for a tank
    • Easily contrasted to any aquarium
    • Sits nice at the bottom of the tank

    Regular Price: USD 6.99

    Special Price USD 5.99

    Regular Price: USD 6.99

    Special Price USD 5.99

  • Lifegard Aquatics Underwater River with Air Pump - Small
    • Fascinating and functional decoration
    • Improves oxygenation and water movement
    • Creates a breathtaking river of bubbles
    • Includes air pump, ornament, and installation components
    • Small size is recommended for aquariums up to 20 gallons

    Regular Price: USD 16.99

    Special Price USD 14.99

    Regular Price: USD 16.99

    Special Price USD 14.99

  • Underwater Treasures Diandra - 12"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials

    Regular Price: USD 3.49

    Special Price USD 2.49

    Regular Price: USD 3.49

    Special Price USD 2.49

  • Seachem Flourish Glue - 0.28 oz - 2 pk
    • Powerful cyanoacrylate adhesive secures moss and aquatic plants
    • Bonds in seconds to driftwood, rocks, and even aquarium gravel!
    • Excellent for keeping bunch plants together and securely rooted
    • Also great for plastic repairs and general-purpose aquascaping
    • Suitable for use in both freshwater and saltwater aquariums
    USD 5.07
    USD 5.07
  • Underwater Treasures Cabomba - 20"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials

    Regular Price: USD 6.99

    Special Price USD 4.99

    Regular Price: USD 6.99

    Special Price USD 4.99

  • Underwater Treasures Floating Moss with Roots - Small
    • Floats along the surface with natural currents
    • Vivid coloration and realistic appearance
    • Features life-like underwater movement
    • Safe for both freshwater and saltwater environments

    Regular Price: USD 5.99

    Special Price USD 3.99

    Regular Price: USD 5.99

    Special Price USD 3.99

  • Underwater Treasures Reef Rock Sculpture
    These incredibly realistic decorations are hand crafted and painted using only the highest quality materials. Non-toxic, and safe for use in both freshwater and saltwater aquariums. Enhance your aquarium with any of these exciting decorations!

    Regular Price: USD 11.99

    Special Price USD 7.99

    Regular Price: USD 11.99

    Special Price USD 7.99

  • Underwater Treasures Reef Scenery - Style B - Medium
    Underwater Treasures brings you this wonderful line of coral replicas to compliment your custom aquatic environment. These incredibly realistic decorations are hand crafted and painted using only the highest quality materials.

    Regular Price: USD 44.99

    Special Price USD 29.99

    Regular Price: USD 44.99

    Special Price USD 29.99

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