Decorations

Items 1 to 48 of 879 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 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

    Sale Price USD 13.99

    Regular Price: USD 19.99

    Sale Price USD 13.99

  • 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

    Sale Price USD 5.99

    Regular Price: USD 8.99

    Sale Price USD 5.99

  • Aquadecor Lava Rock - 48"
    • Incredibly lifelike, durable & made by hand with precision
    • Fits snugly in most 90 gallon aquariums & can be cut to fit
    • These rubber backgrounds sink, avoiding the use of silicone
    • Super flexible design allows water to flow around the piece
    • Lifetime Warranty offers full replacement by Aquadecor
    USD 319.99
    USD 319.99
  • 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

    Sale Price USD 7.99

    Regular Price: USD 13.99

    Sale Price USD 7.99

  • Magyar Szikla Carved Rock - Medium
    • No two pieces of Carved Rock are the exact same
    • Each piece is carefully made with sandstone materials
    • Creates an exciting personality for your aquarium
    • Catches the eye of your viewers and your aquatic life
    • These are safe for fish and all other aquatic life
    USD 15.99
    USD 15.99
  • Underwater Treasures Magenta Moon - 16"
    • Vivid coloration and realistic appearance
    • Features life-like underwater movement
    • Safe for both freshwater and saltwater environments

    Regular Price: USD 14.99

    Sale Price USD 9.99

    Regular Price: USD 14.99

    Sale Price USD 9.99

  • Underwater Treasures Reef Rock 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 9.99

    Sale Price USD 6.99

    Regular Price: USD 9.99

    Sale Price USD 6.99

  • 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

    Sale Price USD 3.99

    Regular Price: USD 4.99

    Sale Price USD 3.99

  • Underwater Treasures Petrified Wood - 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
    USD 16.99
    USD 16.99
  • 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

    Sale Price USD 14.99

    Regular Price: USD 18.99

    Sale Price USD 14.99

  • 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

    Sale Price USD 3.99

    Regular Price: USD 4.99

    Sale Price USD 3.99

  • Underwater Treasures Ancient Greek Urns
    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 15.99

    Sale Price USD 8.99

    Regular Price: USD 15.99

    Sale Price USD 8.99

  • 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

    Sale Price USD 4.99

    Regular Price: USD 6.49

    Sale Price USD 4.99

  • Aquadecor Grey Stone - 48"
    • Incredibly lifelike, durable & made by hand with precision
    • Fits snugly in most 90 gallon aquariums & can be cut to fit
    • These rubber backgrounds sink, avoiding the use of silicone
    • Super flexible design allows water to flow around the piece
    • Lifetime Warranty offers full replacement by Aquadecor
    USD 319.99
    USD 319.99
  • Penn Plax Action-Air Split Shipwreck
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 10.99

    Sale Price USD 7.99

    Regular Price: USD 10.99

    Sale Price USD 7.99

  • 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

    Sale Price USD 3.99

    Regular Price: USD 5.99

    Sale Price USD 3.99

  • 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

    Sale Price USD 4.99

    Regular Price: USD 6.99

    Sale Price USD 4.99

  • 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

    Sale Price USD 5.99

    Regular Price: USD 8.99

    Sale Price USD 5.99

  • Underwater Treasures Mangrove Root - 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
    USD 35.99
    USD 35.99
  • Underwater Treasures Green Cardamine - 24"
    • 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 8.99

    Sale Price USD 8.09

    Regular Price: USD 8.99

    Sale Price USD 8.09

  • 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

    Sale Price USD 29.99

    Regular Price: USD 44.99

    Sale Price USD 29.99

  • Underwater Treasures Reef Rock Structure
    • 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 70.99

    Sale Price USD 62.99

    Regular Price: USD 70.99

    Sale Price USD 62.99

  • 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

    Sale Price USD 34.99

    Regular Price: USD 53.99

    Sale Price USD 34.99

  • Graphic Adhesive Removable Graphic Adhesive - 2 fl oz
    • Quickly and easily secures graphics
    • Creates a bright, clear, and bubble-free appearance
    • Equally effective on glass and acrylic surfaces
    • Safe, non-toxic formula

    Regular Price: USD 5.99

    Sale Price USD 4.99

    Regular Price: USD 5.99

    Sale Price USD 4.99

  • Underwater Treasures Black Cliff Fishing Village (3 Pieces)
    • 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 59.99

    Sale Price USD 39.99

    Regular Price: USD 59.99

    Sale Price USD 39.99

  • 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

    Sale Price USD 7.99

    Regular Price: USD 11.99

    Sale Price USD 7.99

  • Underwater Treasures Mangrove Root - Small
    • 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
    USD 17.49
    USD 17.49
  • Zoo Med Betta Bed Leaf Hammock - Standard
    • Easily attaches to the inside of your aquarium with an included suction cup
    • This leaf provides a resting spot that a Betta would normally find in the wild
    • Not only is this Bed ideal for resting, but it adds style to their environment
    • Let your Betta feel right at home by bringing a little taste of it right to them

    Regular Price: USD 1.99

    Sale Price USD 1.79

    Regular Price: USD 1.99

    Sale Price USD 1.79

  • Underwater Treasures Black Rock Peak
    • 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 21.99

    Sale Price USD 17.99

    Regular Price: USD 21.99

    Sale Price USD 17.99

  • Cobalt Aquatics Apisto Hut
    • The perfect hide and spawn site
    • Ideal for all dwarf cichlids types
    • Designed with stackable flat top
    • Safe for all aquatic inhabitants
    • Handmade natural stoneware

    Regular Price: USD 4.99

    Sale Price USD 3.99

    Regular Price: USD 4.99

    Sale Price USD 3.99

  • Underwater Treasures Mangrove with Plant - 27.7" x 18.7" x 27.6"
    • 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
    USD 35.99
    USD 35.99
  • Zoo Med Ceramic Betta Log
    • Dual opening design
    • Shelter reduces fish stress

    Regular Price: USD 3.99

    Sale Price USD 3.49

    Regular Price: USD 3.99

    Sale Price USD 3.49

  • Underwater Treasures Terror Tower
    • 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 15.99

    Sale Price USD 12.99

    Regular Price: USD 15.99

    Sale Price USD 12.99

  • Penn Plax Action-Air Diver with Hose
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 5.99

    Sale Price USD 4.99

    Regular Price: USD 5.99

    Sale Price USD 4.99

  • Underwater Treasures Sunken WWII Plane
    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 31.99

    Sale Price USD 21.99

    Regular Price: USD 31.99

    Sale Price USD 21.99

  • Underwater Treasures Mini Mangrove Root with Plant - X-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
    USD 7.49
    USD 7.49
  • Underwater Treasures Flowering Arrowhead - 12"
    • Vivid coloration and realistic appearance
    • Features life-like underwater movement
    • Safe for both freshwater and saltwater environments

    Regular Price: USD 12.99

    Sale Price USD 8.99

    Regular Price: USD 12.99

    Sale Price USD 8.99

  • Magyar Szikla Carved Rock - Small
    • No two pieces of Carved Rock are the exact same
    • Each piece is carefully made with sandstone materials
    • Creates an exciting personality for your aquarium
    • Catches the eye of your viewers and your aquatic life
    • These are safe for fish and all other aquatic life
    USD 7.49
    USD 7.49
  • Underwater Treasures Hairy Combo - 8"
    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 14.99

    Sale Price USD 9.99

    Regular Price: USD 14.99

    Sale Price USD 9.99

  • Underwater Treasures Ginger Rock - 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
    USD 44.99
    USD 44.99
  • Carib Sea Reef Rock - 50 lb
    A great addition to fish or reef tanks. Actual petrified coral! Reef rock retains excellent coral texture and is ideal for use as an economical base rock on which to attach invertebrates such as anemones, soft and hard corals, etc.
    USD 65.47
    USD 65.47
  • Underwater Treasures Ledged 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

    Sale Price USD 5.99

    Regular Price: USD 8.99

    Sale Price USD 5.99

  • Underwater Treasures Aqua-Paradise/SeaGarden Reversible Background - 24" - Sold by the Foot
    • 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
    USD 2.99
    USD 2.99
  • Underwater Treasures 4 Grounder Purple Cardamine - 3.5" - 6 pk
    • 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 5.99

    Sale Price USD 4.99

    Regular Price: USD 5.99

    Sale Price USD 4.99

  • Cobalt Aquatics Breeding Cone
    • Breeding tool for Discus, Angelfish, and other substrate spawners
    • The perfect spawning site - same design used by top breeders!
    • Reusable cone features a smooth texture for easy egg attachment
    • Bottom lip catches stray eggs and protects them from fungal growth
    • Natural stoneware won't leach and is very easy to clean/disinfect
    USD 21.73
    USD 21.73
  • Underwater Treasures Green Bush - 7"
    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

    Sale Price USD 4.99

    Regular Price: USD 6.99

    Sale Price USD 4.99

  • Underwater Treasures Luna Lily Bush - 7"
    • Vivid coloration and realistic appearance
    • Features life-like underwater movement
    • Safe for both freshwater and saltwater environments

    Regular Price: USD 5.99

    Sale Price USD 3.99

    Regular Price: USD 5.99

    Sale Price USD 3.99

  • Underwater Treasures Willow Leaf - 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

    Sale Price USD 3.99

    Regular Price: USD 4.99

    Sale Price USD 3.99

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