Top Aquarium Décor Thematic Ornaments and Accessories

The best Aquarium Décor Thematic Ornaments includes FEXIA 100pcs Glow in the Dark Mini Animals, Penn-Plax Spongebob Pineapple House Ornament, onesimcr Floating Fish Tank Decor (1 pc) and many others as mentioned below.

1

FEXIA 100pcs Glow in the Dark Mini Animals

  • 100 colorful mini resin animals included.
  • Glows in the dark for magical ambiance.
  • Durable, high-quality resin material used.
  • Perfect for DIY garden and dollhouse decorations.
  • Ideal as gifts for children and adults.
  • Lightweight and easy to carry anywhere.
  • Enhances aquariums and miniature landscapes beautifully.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Color: 20 Kinds
  • Material: Resin
2

Penn-Plax Spongebob Pineapple House Ornament

  • Officially licensed SpongeBob SquarePants aquarium ornament.
  • Made of safe, durable resin for fish safety.
  • Perfect for both freshwater and saltwater aquariums.
  • Easy to clean with warm water, no soap.
  • Encourages fish exercise and provides hiding spots.
  • Measures 3” diameter x 5.25” height.
  • Adds whimsy and nostalgia to any aquarium.
  • Average Rating out of 5:
  • Price Range: $9.77
  • Size: SpongeBob's Pineapple House
  • Color: Multicolor
3

onesimcr Floating Fish Tank Decor (1 pc)

  • Made of environmentally friendly resin material.
  • Hand-colored with smooth, flat edges.
  • Adjustable diving position for customizable fun.
  • Safe for fish; no sharp edges.
  • Enhances aquarium aesthetics and creates enjoyment.
  • Includes one diver decoration and floating ball.
  • Lifetime customer service support included.
  • Average Rating out of 5:
  • Price Range: $4.99
  • Color: Blue
4

SpringSmart Ceramic Aquarium Hideaway Rock Cave

  • Perfect hideaway for breeding and resting fish.
  • Safe ceramic material, non-toxic for aquatic pets.
  • Easy to clean, promotes healthy tank environment.
  • No sharp edges, safe for fish fins.
  • Attractive granite pattern enhances aquarium decor.
  • Ideal gift for fish enthusiasts and pet lovers.
  • Compatible with small fish like Bettas and guppies.
  • Average Rating out of 5:
  • Price Range: $7.98
5

SunGrow Betta Balls (10 Pcs)

  • Contains over 30 beneficial elements for fish.
  • Enhances fish growth and muscle development.
  • Promotes longer lifespan and vitality in fish.
  • Helps maintain ideal water parameters for bettas.
  • Visually appealing aquarium decor for any theme.
  • Calcium-rich balls support strong bones and health.
  • Ideal for both tropical and freshwater fish tanks.
  • Average Rating out of 5:
  • Price Range: $3.99
  • Size: 10 Count (Pack of 1)
  • Color: Grey
6

Ameliade Aquarium Rock Cave Decoration

  • High-quality ceramic construction, eco-friendly and odorless.
  • Imitates natural stone texture for realistic appearance.
  • Provides shelter and privacy for fish and shrimp.
  • Multiple sizes available for versatile placement options.
  • Easy to clean with simple water rinse.
  • Enhances aquarium aesthetics with vivid colors.
  • Ideal for breeding, hiding, and exploring fish.
  • Average Rating out of 5:
  • Price Range: $7.98
  • Size: .Medium
  • Color: Stone
  • Material: Ceramic
7

JIH Hollow Tree Trunk Aquarium Ornament (HS-SP207)

  • Durable resin material for long-lasting use.
  • Natural bark pattern enhances aquarium aesthetics.
  • Perfect for bettas and smaller fish species.
  • Three openings for fish to explore and hide.
  • Dimensions: 5.7" x 2.5" x 2.1".
  • Great for aquariums, terrariums, and model making.
  • Encourages natural behavior in fish environments.
  • Average Rating out of 5:
  • Price Range: $8.99
  • Size: HS-SP207
8

AnxunJim Aquarium Groot Air Bubbler Set

  • Adorable Groot design for aquarium decoration.
  • Realistic carving and hand-painted details.
  • Generates bubbles to enhance oxygen levels.
  • Non-toxic resin, safe for fish.
  • Compatible with fresh and saltwater tanks.
  • Easy air stone connection with provided accessories.
  • Includes all necessary parts for setup.
  • Average Rating out of 5:
  • Price Range: $11.99
9

CPLIKE Shrimp Hides & Fish Cave Decor

  • Exciting aquarium decor for fish and shrimp.
  • Low-profile design enhances aquarium aesthetics.
  • Fish-friendly construction with easy access openings.
  • Quick and easy installation process.
  • Durable materials for long-lasting use.
  • Compatible with fine sand and similar substrates.
  • Encourages exploration and natural behavior in pets.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Color: Corner Tunnel Black
  • Material: Plastic
10

Smoothedo-Pets Betta Silk Leaf Hammock

  • Perfect for Betta fish and other aquatic pets.
  • Made from durable, eco-friendly materials.
  • Realistic silk leaf design enhances aquarium aesthetics.
  • Compact size: 6x4x3 inches, fits various tanks.
  • Easy to clean; odor disappears after washing.
  • Replacement guarantee for damaged products.
  • Explore our variety of aquarium decoration options.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Color: Type-c
  • Material: Resin
11

CousDUoBe Betta Fish Acrylic Tunnel (1 Pack)

  • Innovative design combines tunnel and leaf pad.
  • Enhances safety and comfort for Betta fish.
  • Smooth edges prevent scratching or injury.
  • Transparent material for easy observation of fish.
  • Easy to clean with removable components.
  • Made from durable, eco-friendly materials.
  • Suitable for both freshwater and seawater habitats.
  • Average Rating out of 5:
  • Price Range: $6.99
  • Size: 3.1 IN
  • Material: High quality resin
12

GSD Broken Barrel & Star Fish Decor

  • High-quality resin ensures fish safety.
  • Realistic wreck barrel design enhances aesthetics.
  • Includes one broken barrel and two starfish.
  • Perfect hiding spots for betta fish.
  • Easy to create underwater landscapes.
  • Durable materials withstand long-term water use.
  • Lightweight and easy to rearrange in tank.
  • Average Rating out of 5:
  • Price Range: $7.99
  • Size: 3 Piece Set
  • Color: Blue
  • Material: Resin
13

Uniclife Glowing Jellyfish Aquarium Ornaments (6 Pcs)

  • Includes 6 colorful jellyfish for vibrant decor.
  • Glows under actinic lighting for a stunning effect.
  • Floats gracefully with water movement for realism.
  • Made of durable silicone for long-lasting use.
  • Easy installation with a simple suction cap method.
  • Transforms your aquarium into a lively underwater scene.
  • Safe for fish, enhancing their habitat beautifully.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Size: Jellyfish
  • Color: Jellyfish
  • Material: Silicone
14

Uniclife Glowing Rainbow Sea Urchin Ornament

  • Imitates real sea urchins for realistic decor.
  • Glows under actinic lighting for vibrant effect.
  • Stable resin base ensures it stays in place.
  • Soft silicone material safe for all fish.
  • Easy to install in any aquarium setup.
  • Perfect for fresh and marine water environments.
  • Dimensions: 2.3'' D x 4.3'' H for versatility.
  • Average Rating out of 5:
  • Price Range: $6.99
  • Color: Rainbow
  • Material: Silicone
15

Uniclife Betta Mushroom Hammock (2 Pack)

  • Soft silicone material for fish comfort.
  • Ideal for resting, playing, and spawning.
  • Includes suction cup for secure placement.
  • Vivid mushroom design enhances aquarium aesthetic.
  • Creates a lively atmosphere under actinic lighting.
  • Easy to assemble and clean before use.
  • Promotes stress relief for your fish.
  • Average Rating out of 5:
  • Price Range: $7.99
  • Size: Mushroom Hammock
  • Color: Pink&Blue
16

Raeasily Shipwreck Aquarium Decoration [10x10]

  • Realistic sunken ship design enhances aquarium visuals.
  • Made from safe, eco-friendly resin material.
  • Non-toxic and pollutant-free for aquatic life.
  • Stable construction ensures it stands steadily in water.
  • Perfect for 10 to 55-gallon aquariums.
  • Easy to clean and maintain with minimal effort.
  • Adds vibrant color and excitement to your tank.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Size: 10*10
  • Color: Multicolor
  • Material: Resin
17

Bazayona Betta Fish Tank Decor Set (5pcs)

  • Includes one starfish barrel and four aquatic plants.
  • Made from high-quality, durable resin materials.
  • Safe for betta fish and aquarium environments.
  • Exquisite design adds historical charm to aquariums.
  • Provides hiding spots for betta fish to explore.
  • Easy to arrange with other aquarium decorations.
  • Enhances underwater scenery with creative setups.
  • Average Rating out of 5:
  • Price Range: $8.49
  • Color: Brown
  • Material: Resin
18

SARDVISA Retro Submarine Aquarium Decoration

  • Cute retro submarine design enhances aquarium aesthetics.
  • Made from safe, non-toxic resin material.
  • Hand-painted and polished for a detailed finish.
  • Adjustable floating position with included crystal thread.
  • Perfect for bettas, goldfish, and hermit crabs.
  • Creative decoration and play station for aquatic pets.
  • Ideal gift for fish enthusiasts and children.
  • Average Rating out of 5:
  • Price Range: $8.49
  • Size: Floating submarine 4.9''
  • Color: Brown
  • Material: Resin
19

GloFish Anemone Aquarium Decorations (Glowing)

  • Vibrant yellow anemone enhances aquarium aesthetics.
  • Glows under GloFish LED lighting for stunning effect.
  • Provides secure hideouts for fish to reduce stress.
  • Durable design ensures long-lasting aquarium enjoyment.
  • Compatible with various GloFish products for a complete setup.
  • Easy to clean and maintain for hassle-free care.
  • Perfect for creating a colorful underwater paradise.
  • Average Rating out of 5:
  • Price Range: $5.54
  • Size: One Size Fits All
  • Color: No Color
20

Emours Aquarium Driftwood Decoration (Small)

  • High-grade driftwood, solid and durable.
  • Authentic natural wood enhances aquarium beauty.
  • Unique shapes for visual variety in your tank.
  • Each piece is carefully selected for quality.
  • Approximately 6 inches long, size may vary.
  • Ideal shelter for nocturnal fish and shrimp.
  • Quickly becomes the focal point of decor.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Size: Small
  • Color: Brown
21

Penn-Plax Spongebob Squidward Aquarium Ornament

  • Officially licensed SpongeBob SquarePants aquarium ornament.
  • Made from safe, durable, fish-friendly resin.
  • Ideal for freshwater and saltwater aquariums.
  • Easy to clean with warm water only.
  • Provides fun hiding spots for small fish.
  • Dimensions: 3.5” W x 3” D x 6” H.
  • Adds magic to any aquarium setting.
  • Average Rating out of 5:
  • Price Range: $8.52
  • Color: Multicolor
  • Material: Resin
22

kathson Turtle Basking Platform (Medium)

  • Gentle ramp design promotes healthy exercise.
  • Realistic rock appearance enhances aquarium aesthetics.
  • Durable resin material maintains water quality.
  • Suitable for both freshwater and saltwater use.
  • Versatile for various reptiles and amphibians.
  • Available in three sizes for different pets.
  • Perfect basking platform for turtles and lizards.
  • Average Rating out of 5:
  • Price Range: $15.99
  • Size: M: 8.2”Lx3.3”Wx3.1”H
  • Color: Gray
23

WILLBOND Betta Fish Leaf Hammock (2 Pack)

  • Creates a comfortable resting spot for betta fish.
  • Made from safe, non-toxic, and durable materials.
  • Easy setup with suction cups for quick attachment.
  • Attractive design enhances aquarium aesthetics.
  • Encourages natural behaviors like resting and hiding.
  • Includes two vibrant color options for variety.
  • Lightweight and waterproof for long-lasting use.
  • Average Rating out of 5:
  • Price Range: $6.99
  • Color: Blue, Pink
  • Material: Plastic
24

Niuohoy Hermit Crab Water Tank (2 Pack)

  • Transparent design for easy observation of crabs.
  • Durable PET plastic for long-lasting use.
  • Customizable climbing ramp for crabs' preferences.
  • Rounded corners for effortless cleaning.
  • Compact size ideal for small to medium crabs.
  • Includes two tanks and accessories for convenience.
  • Encourages active and engaging crab habitat.
  • Average Rating out of 5:
  • Price Range: $7.49
  • Size: Small
  • Color: clear
  • Material: Plastic
25

Hamiledyi Driftwood (3PCS) for Aquariums

  • Made from natural coral wood.
  • Unique shapes for each piece.
  • Sizes range from 8" to 12".
  • Adds realistic beauty to your aquarium.
  • Provides breeding and hiding spots for fish.
  • Durable for underwater or drought use.
  • Releases tannins to soften hard water.
  • Average Rating out of 5:
  • Price Range: $19.79
  • Color: 11 positive
26

Uniclife Mushroom House Aquarium Decoration

  • Realistic mushroom and cottage design enhances aesthetics.
  • Perfect for 5 to 20 gallon fish tanks.
  • Five entry/exit holes for fish enjoyment.
  • Vivid colors and detailed features attract attention.
  • Made from durable, healthy resin material.
  • Safe for shrimp, small fish, and reptiles.
  • Brightens up your aquarium landscape effectively.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Color: Resin Mushroom
  • Material: Resin
27

XMHF 10PCS Floating Orange Fish Tank Decor

  • Enhances visual appeal of fish tanks.
  • Made from durable plastic material.
  • Floats beautifully with flowing water.
  • No harm to water quality.
  • Easy to clean and maintain.
  • Creates a realistic aquatic environment.
  • Includes 10 vibrant orange fish ornaments.
  • Average Rating out of 5:
  • Price Range: $7.99
  • Color: Orange