Aquarium Ornaments

Read our guide: Aquascaping a freshwater tank: substrate, stone, wood and light

Sidebar

Shop by pet

Why ArdentPets

Under £30

Stella & Chewy's Shredrs chicken and chicken liver wet dog food pouch shown from the front.
Stella & Chewy's

Stella & Chewy's Shredded Wet Dog Food, Chicken & Chicken Liver in Broth, 79 g Pouch

Stella & Chewy's Shredrs Cage Free Chicken & Chicken Liver Recipe in Broth is wet dog food for a complete and balanced meal or a topper, in a 2.8 oz (79 g) pouch. Real shredded muscle meat in slowly simmered broth — adds protein...
£20.36
£20.36
Preferhouse dog shirt shown from the front with its striped design.
Preferhouse

Preferhouse Striped Dog T-Shirts for Summer, XS–XL, Soft Quick-Dry Fabric

Preferhouse striped dog T-shirts are pet tops for summer wear and everyday outings, offered in five sizes from XS to XL with stripe and heart-pattern designs. Five sizes, XS to XL — options for small, medium, and large dogs, with a size chart to...
£21.15
£21.15
Bbmmayy Rhinestone Dog Collar shown from the front in dark blue.
Bbmmayy

Bbmmayy Rhinestone Dog Collar, Dark Blue Size S with Flower Detail and Adjustable Fit

Bbmmayy Rhinestone Dog Collar is a decorative dog collar designed to dress up your dog, with a dark blue size S fit for necks measuring 10.6–13 in (26–32 cm) and an adjustable metal buckle. Dark blue, size S fits necks 10.6–13 in (26–32 cm)...
£21.26
£21.26
Filter
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • biOrb Red Forest Décor Set shown as a coordinated aquarium decoration kit.
    biOrb

    biOrb Red Forest Aquarium Décor Set for 15L Aquariums with Colourful Sea Lilies

    The biOrb Red Forest Décor Set is an all-in-one aquarium decoration kit for a 15L biOrb aquarium, with colorful plastic sea lilies designed to create coverage along the aquarium bottom. Designed for a 15L biOrb aquarium — brings coordinated decoration to this aquarium size....
    £81.54
    £81.54
  • FL!PPER aquarium magnifier shown from the front.
    FL!PPER

    FL!PPER DeepSee Magnetic Aquarium Magnifier, 3-Inch Black for Nano Tanks

    FL!PPER DeepSee is a 3-inch (7.62 cm) magnetic aquarium magnifier designed for close-up underwater viewing in nano aquariums and reef tanks. Rare-earth magnetic design — holds the viewer in place for hands-free observation. Fits glass or acrylic panels up to 3/8 inch (9.525 mm)...
    £74.62
    £74.62
  • Generic Aquarium Corner Underground Cave shown from the front in bone white.
    Generic

    Generic Aquarium Corner Cave, Bone White Large 9.1 x 10 in Substrate Hideout

    Generic Aquarium Corner Underground Cave is a buried hideout for fish, shrimp, snails, and terrarium animals, with a corner-fitting design and Large dimensions of 9.1 x 10 x 3.7 in (23.1 x 25.4 x 9.4 cm). Fits flush into a tank corner and sits...
    £88.67
    £88.67
  • Novelsite aquarium decoration shown from the front as a colorful rock ornament.
    Novelsite

    Novelsite Aquarium Rock Decoration, 14.4-Inch Colourful Ornament with Fish Hiding Spots

    Novelsite is a fish tank rock ornament designed to add colorful underwater scenery and fish hiding spots, measuring 14.4 in (36.6 cm) W × 7.1 in (18 cm) H × 3.4 in (8.6 cm) D. Vibrant colors and intricate details — create a more...
    £106.36
    £106.36
  • AWXZOM Soul Valley aquarium ornament shown from the front as a rock-inspired landscape.
    AWXZOM

    AWXZOM Soul Valley Aquarium Ornament, 18-Inch Two-Piece Resin Rockscape

    AWXZOM Soul Valley is a two-piece resin aquarium ornament designed to create a 3D rockscape, with pieces that combine to fit standard 16–20-inch aquariums. Non-toxic resin — made for use as a fish tank decoration. Two imitation-stone pieces — arrange them together to create...
    £101.65
    £101.65
  • UNEAK shipwreck aquarium ornament shown from the front with its sail and pirate-ship design.
    UNEAK

    UNEAK XXL Shipwreck Aquarium Ornament, 2-Piece Resin Pirate Ship with Sail

    UNEAK’s XXL shipwreck aquarium ornament is a two-piece resin pirate-ship decoration for freshwater or saltwater tanks of 20 gallons (75.7 L) and larger, with openings that give small fish places to hide. Two-piece ship measures 22.50 in (57.15 cm) long overall — a substantial...
    £216.07
    £216.07
  • biOrb Winter Dream Décor Set showing the coordinated white aquarium decoration collection.
    biOrb

    biOrb Winter Dream Aquarium Décor Set, White Fish-Friendly Decorations for Six Models

    The biOrb Winter Dream Décor Set is a coordinated white aquarium decoration collection for creating a winter-themed underwater scene, featuring a ceramic-resin blend centerpiece designed to slide over a biOrb bubble tube. Coordinated seasonal collection — brings complementary decorations together for a unified winter-inspired...
    £133.27
    £133.27
  • Novelsite aquarium decoration shown from the front as a rock-style fish tank ornament.
    Novelsite

    Novelsite Aquarium Rock Decoration, 17-Inch, with Fish Hiding Spots

    Novelsite aquarium rock decoration adds underwater scenery and fish hiding spots, with a footprint of 17 in W x 8.6 in H x 5 in D (43.18 cm W x 21.84 cm H x 12.7 cm D). Designed to create aquarium scenes — adds...
    £132.33
    £132.33
  • Novelsite canyon aquarium decor shown from the front as a mountain-shaped formation.
    Novelsite

    Novelsite Sandstone Canyon Aquarium Decor, 17-Inch Cave Rock Formation

    Novelsite’s sandstone canyon rock formation is aquarium decor designed to create a lifelike mountain scene and a cave-style hideout for fish, measuring 17 x 8.6 x 5 in (43.2 x 21.8 x 12.7 cm). Designed for fish tanks over 10 gallons — suited to...
    £132.32
    £132.32
  • biOrb Pink Reef Ornament shown from the front as a pink aquarium decoration.
    biOrb

    biOrb Pink Reef Aquarium Ornament, Handcrafted Resin for Bubble Tube

    biOrb Pink Reef Ornament is a handcrafted aquarium decoration by aquatics décor designer Samuel Baker, made from high-grade resin and designed to slide over a biOrb Bubble Tube. Handcrafted design by Samuel Baker — adds a reef-inspired decorative feature to an aquarium. High-grade resin...
    £68.29
    £68.29
  • Generic Koi Pond Cave shown from the front, highlighting its cave-shaped opening.
    Generic

    Generic Extra Large Koi Pond Cave, 20 x 13.4 x 7.5 in Resin Fish Shelter

    Generic Extra Large Koi Pond Cave is a resin fish hideaway designed to give pond fish a place to shelter from predators, with dimensions of 20" x 13.4" x 7.5" (50.8 x 34.0 x 19.1 cm). Heavy-duty resin — made to withstand outdoor and...
    £165.36
    £165.36
  • Asunrise Faux Log Fish Cave shown from the front with its cave entrance visible.
    Asunrise

    Asunrise Fish Cave for Ponds and Aquariums, 19-Inch Faux Log Polyresin Shelter

    Asunrise Faux Log Fish Cave is a 19-inch (48.3 cm) polyresin hideaway designed to shelter fish in ponds, aquariums, and terrariums, including from predators around outdoor ponds. 19-inch faux-log cave — adds a defined hideaway to aquatic and terrarium habitats. Polyresin construction — made...
    £180.69
    £180.69
  • Paw Pods small pet casket shown from the front.
    Paw Pods

    Paw Pods Small Pet Casket, Biodegradable Bamboo-Based Memorial with Seeded Leaf

    Paw Pods Small Pod is a biodegradable memorial casket for small pets, made from bamboo powder, rice husk and cornstarch. Bamboo powder, rice husk and cornstarch — plant-based materials used to make a casket designed to biodegrade after burial. Fully degrades 3–5 years after...
    £72.47
    £72.47
  • Generic Aquarium Corner Underground Cave shown from the front in Bone White.
    Generic

    Generic Aquarium Corner Underground Cave, Bone White Medium, Sand-Covered Fish Hideout

    Generic Aquarium Corner Underground Cave is a buried hideout for freshwater aquariums and terrariums, with a corner-fitting shape and multiple wide openings for fish and other small pets to enter and explore. Corner-shaped design sits against two tank walls — keeps the main swimming...
    £60.68
    £60.68
  • Generic Aquarium Corner Underground Cave shown from the front with its cave openings visible.
    Generic

    Generic Aquarium Corner Cave Decor for Fish Tanks, Medium Black, Buried Hideout with Multiple Openings

    Generic’s medium Aquarium Corner Underground Cave is a buried hideout for freshwater aquariums and terrariums, with a corner-fitting shape measuring 7.5 in (19.1 cm) wide × 8.3 in (21.1 cm) deep × 3 in (7.6 cm) tall. Buried beneath sand or gravel, with cave...
    £60.68
    £60.68
  • GOLOMOZ aquarium decor showing the full rocky landscape with its tree detail.
    GOLOMOZ

    GOLOMOZ Tall Aquarium Mountain Rock Ornament, 13.4-Inch Handmade Resin Decor

    GOLOMOZ is a tall resin aquarium ornament designed to create a mountain-view scene, with a handmade rocky hill, tree details, and a 13.4-inch (34 cm) height. Handmade resin construction — adds a detailed rocky landscape to the aquarium. Measures 6.9 x 3.9 x 13.4...
    £73.34
    £73.34
  • Novelsite bonsai aquarium decoration shown from the front with its tree-shaped form.
    Novelsite

    Novelsite Bonsai Aquarium Decor, 7-Inch Sandstone Tree with Faux Moss

    Novelsite’s sandstone bonsai aquarium decoration creates a natural-looking centerpiece for fish tanks, with faux moss and a 7-inch (17.8 cm) height for a distinctive aquascape accent. Sandstone construction — made to sit submerged in an aquarium. Faux moss with beige and gray coloring —...
    £72.03
    £72.03
  • Lyrow aquarium hideaway set shown together in a front view.
    Lyrow

    Lyrow 10-Piece Rustic Ceramic Aquarium Cave Decorations for Fish, Stackable Shelters

    Lyrow’s 10-piece purple sand ceramic aquarium hideaway set gives fish places to hide, rest, play and breed, with stackable caves in varied shapes and sizes. Stackable cave shapes — arrange the pieces into a layout that suits your aquarium. Smooth interiors — provide sheltered...
    £73.34
    £73.34
  • Zoo Med Floating Aquarium Log, Large shown from the front.
    Zoo Med

    Zoo Med Floating Aquarium Log, Large Naturalistic Shelter for Fish and Amphibians

    Zoo Med Floating Aquarium Log, Large is a naturalistic floating aquarium hide designed to provide aquarium animals with security and a place to rest, play, feed, and spawn, measuring 12.25 by 6.4 by 5.2 inches (31.1 by 16.3 by 13.2 cm). Floating, naturalistic log...
    £83.68
    £83.68
  • MUWAM Moon Valley aquarium cave shown from the front with its crescent shape.
    MUWAM

    MUWAM Aquarium Cave Ornament, Large Moon Valley Crescent Hideout for Fish and Shrimp

    MUWAM Moon Valley is a large crescent-moon aquarium cave ornament designed to give small fish and shrimp a sheltered hideout; its resin form measures approximately 9.4 x 5.9 x 8.8 inches (23.9 x 15 x 22.4 cm). Inert, non-toxic resin that will not alter...
    £75.70
    £75.70
  • PTFJZ Hobbit fish tank decoration shown from the front as a miniature landscape house.
    PTFJZ

    PTFJZ Hobbit Aquarium and Reptile Hide Decoration, Large Resin Landscape with Four Openings

    PTFJZ Hobbit Fish Tank Decoration is a resin hide and landscape ornament for aquariums, reptile enclosures, and mini gardens, with four openings for small pets to pass through and shelter inside. Four openings — provide routes for pets to pass through, hide, spawn, and...
    £73.34
    £73.34
  • TAOMYPETS resin tree root aquarium décor shown from the front.
    TAOMYPETS

    TAOMYPETS Resin Aquarium Tree Root Decoration (B) with Fish Hideout

    TAOMYPETS Resin Artificial Tree Trunk Root (B) is aquarium décor designed to add a natural-looking hideout and swim-through feature, made from resin that does not fade during prolonged water immersion. Artificial tree trunk and root design — adds a natural-style feature to aquarium scenery....
    £76.30
    £76.30
  • KINGRUI aquarium bonsai tree shown from the front with its dual-tree silhouette.
    KINGRUI

    KINGRUI Aquarium Bonsai Tree Decor with Faux Moss, Dual-Tree Resin Centrepiece

    KINGRUI’s resin aquarium bonsai tree is a dual-tree ornament designed to create a natural-looking aquascape, with faux moss detailing and a weighted base that stays in place. Dual-tree bonsai design with faux moss — creates a natural-looking aquarium centerpiece. Non-toxic resin, fade-resistant for freshwater...
    £72.16
    £72.16
  • Novelsite aquarium rock ornament shown from the front with its decorative scenery.
    Novelsite

    Novelsite Aquarium Rock Decoration, 8.5-Inch Colourful Fish Hideout

    Novelsite’s aquarium rock ornament creates an underwater scene and adds a decorative focal point, measuring 8.5 in wide (21.59 cm) x 4.5 in high (11.43 cm) x 3.2 in deep (8.128 cm). Vibrant colors and intricate details — bring visual interest to an aquarium...
    £52.40
    £52.40

Castles, shipwrecks, caves and resin hideouts with smooth edges for fins. Names to browse include M2cbridge, PINVNBY, SLOCME and 148 more. Details worth comparing: fish hideout, basking platform and hermit crab shells.

See the wider Aquarium Décor collection; nearby pages include Artificial Aquarium Plants, Aquarium Rocks & Stones, Artificial Coral and Aquarium Backgrounds.

Related categories

Questions about Aquarium Ornaments

Who makes the products in Aquarium Ornaments?

Aquarium Ornaments brings together M2cbridge, PINVNBY, SLOCME and 148 other makers.

What should I look at before buying aquarium ornaments?

Compare features like fish hideout, basking platform and hermit crab shells, then check the measurements and pack quantity listed on each product page by the maker.

How much does delivery cost on Aquarium Ornaments?

Nothing. Delivery to any UK address is free, however small the order. We prepare orders within 1–3 working days; after that, most parcels reach you within 3–7 working days, and a tracking link is emailed as soon as yours is on its way. Some Highlands and island postcodes and Northern Ireland can take a little longer.

Can I send back something from Aquarium Ornaments?

Send it back within 30 days of delivery, for any reason, as long as it is unused and still in its original packaging. We email a prepaid label so the return costs you nothing, and the money goes back to the way you paid no later than 10 working days after the parcel reaches us.

Recently viewed