9 views in the last 24 hours
  • May include: A small, clear glass terrarium with a decorative interior. The terrarium features a white, textured cave structure, black gravel, a small white stone, and pieces of wood and greenery. The base is a light wood color.
  • May include: A white, cave-shaped aquarium decoration. The text reads "UNDERGROUND AQUARIUM CAVE" and "Made by Aquascapers, for Aquascapers." The dimensions are 200mm wide, 135mm deep, and 65mm high.
  • May include: A clear glass terrarium with a dark blue banner that reads "Blends In. Stands Out." The terrarium is filled with black gravel, rocks, driftwood, and greenery, and a light-colored cave structure.
  • May include: A glass aquarium filled with water, plants, and small fish. The tank features a white decorative bridge and a dark substrate. Several small, red shrimp are visible, along with orange and blue fish. Bubbles rise from an air stone.
  • May include: Aquarium decor made of safe, non-toxic PETG. The design encourages natural behavior for fish. The curved, organic profile mimics natural stone shelters. The text says "BLUBBERCOVE I REGISTERED DESIGN NO. 64652192."
  • May include: A small, clear glass terrarium with a black gravel base. The terrarium is decorated with a piece of driftwood, small rocks, a seashell, and green plants. Two small, white, 3D-printed structures are in the foreground.
  • May include: An image showcasing the aquascaping design process. It features a black concept mesh, a white prototype, and a final aquarium product with plants and decor. Text includes "Designed for Aquascaping," "Sculpted from Scratch," and "Aquarium-Ready Finish."
  • May include: A small glass terrarium with a black gravel base, a white paper tunnel, and natural elements like rocks, shells, and driftwood. Green fern and evergreen sprigs add color. The terrarium is set on a wooden surface.
  • May include: A white cave-shaped product with size chart details. The image shows measurements in millimeters: 200mm wide, 125mm high, and various hole sizes. Text includes "Cave Size Chart Standard" and "BLUBBERCOVE REGISTERED DESIGN NO. 64652192."
  • May include: A white cave-shaped product with size measurements in millimeters. The image includes the text "Cave Size Chart Large" and "BLUBBERCOVE REGISTERED DESIGN NO. 64652192". The cave's dimensions are 252mm x 160mm.
  • May include: Five circular, textured pads in varying colors: teal, white, beige, black, and a light white. The pads are arranged in a cluster, with the black pad at the bottom. The surfaces have a slightly glittery appearance.
  • May include: A small, clear glass terrarium with a decorative interior. The terrarium features a white, textured cave structure, black gravel, a small white stone, and pieces of wood and greenery. The base is a light wood color.
  • Product video
  • May include: A white, cave-shaped aquarium decoration. The text reads "UNDERGROUND AQUARIUM CAVE" and "Made by Aquascapers, for Aquascapers." The dimensions are 200mm wide, 135mm deep, and 65mm high.
  • May include: A clear glass terrarium with a dark blue banner that reads "Blends In. Stands Out." The terrarium is filled with black gravel, rocks, driftwood, and greenery, and a light-colored cave structure.
  • May include: A glass aquarium filled with water, plants, and small fish. The tank features a white decorative bridge and a dark substrate. Several small, red shrimp are visible, along with orange and blue fish. Bubbles rise from an air stone.
  • May include: Aquarium decor made of safe, non-toxic PETG. The design encourages natural behavior for fish. The curved, organic profile mimics natural stone shelters. The text says "BLUBBERCOVE I REGISTERED DESIGN NO. 64652192."
  • May include: A small, clear glass terrarium with a black gravel base. The terrarium is decorated with a piece of driftwood, small rocks, a seashell, and green plants. Two small, white, 3D-printed structures are in the foreground.
  • May include: An image showcasing the aquascaping design process. It features a black concept mesh, a white prototype, and a final aquarium product with plants and decor. Text includes "Designed for Aquascaping," "Sculpted from Scratch," and "Aquarium-Ready Finish."
  • May include: A small glass terrarium with a black gravel base, a white paper tunnel, and natural elements like rocks, shells, and driftwood. Green fern and evergreen sprigs add color. The terrarium is set on a wooden surface.
  • May include: A white cave-shaped product with size chart details. The image shows measurements in millimeters: 200mm wide, 125mm high, and various hole sizes. Text includes "Cave Size Chart Standard" and "BLUBBERCOVE REGISTERED DESIGN NO. 64652192."
  • May include: A white cave-shaped product with size measurements in millimeters. The image includes the text "Cave Size Chart Large" and "BLUBBERCOVE REGISTERED DESIGN NO. 64652192". The cave's dimensions are 252mm x 160mm.
  • May include: Five circular, textured pads in varying colors: teal, white, beige, black, and a light white. The pads are arranged in a cluster, with the black pad at the bottom. The surfaces have a slightly glittery appearance.
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Natural Aquarium Cave for Shrimp, Betta, Corydoras, Pleco – Under Substrate Tunnel Hide | Breeding Shelter | Fish Tank Aquascape Decor

Jen

By Jen

Owner of BlubberCove

Please select a color

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What to know

Materials

PETG

Made to Order

Yes

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A Natural-Look Aquarium Cave for Shrimp, Betta, Corydoras & More

Give your fish tank a functional centerpiece with this smooth, aquascape-ready cave. Designed for bottom dwellers like shrimp, bettas, kuhli loaches, corydoras and more — it creates a secure tunnel shelter without taking up precious swimming space.

✅ Why It Works Best
• Substrate-hugging design – stays flush to gravel or soil layouts
• Mimics natural caves – curved entrances and interior hiding spots
• Safe for delicate fish – rounded edges, no sharp surfaces
• Multiple entry points – supports natural behavior and exploration
• Great for breeding setups – reduces fish stress and hiding pressure

📏 Size Options:
Standard - Width 200 mm × Depth 125 mm × Height 60 mm
Large - Width 252 mm × Depth 160 mm × Height 72 mm

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What buyers say

5.0 (12)

“Looks great in my tank and arrived very quickly”

Etsy buyer

15 days ago

View all item reviews

Price:$37.57+

Shipping & return policies

  • Order today to get by Jul 30-Aug 8
  • Returns & exchanges not accepted
  • Ships from: United Kingdom
  • Cost to ship: $27.18
  • Deliver to United States, 43215

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Star Seller

This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

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Reviews for this item

5.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(12 reviews)

5.0 Item quality
4.7 Shipping
4.9 Customer service
100% Buyers recommend
Filter by category
5 out of 5 stars 5

Etsy buyer Jul 11, 2026

Looks great in my tank and arrived very quickly

Etsy buyer Jul 11, 2026

5 out of 5 stars 5

fire Apr 6, 2026

really nice looking fish love it

fire Apr 6, 2026

5 out of 5 stars 5

Jason Jan 27, 2026

Cory's and shrimps love to hide and rest here

Jason Jan 27, 2026

5 out of 5 stars 5

Alexis Jan 1, 2026

This took a while to arrive, but it looks great and I'm happy with it's size. It's very wide with lots of space without being tall. I'm super excited to see neocardina hanging out in the cave!

Alexis Jan 1, 2026

Photos from reviews

Meet your seller

BlubberCove
Jen
BlubberCove ·

Newcastle upon Tyne, United Kingdom

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
3.3k sales
·
3 years on Etsy

Usually responds in a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

View shop registration details

Buy together, get 20% off

Bundle price: $55.64

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Natural Aquarium Cave for Shrimp, Betta, Corydoras, Pleco – Under Substrate Tunnel Hide | Breeding Shelter | Fish Tank Aquascape Decor This listing

Natural Aquarium Cave for Shrimp, Betta, Corydoras, Pleco – Under Substrate Tunnel Hide | Breeding Shelter | Fish Tank Aquascape Decor

Sale Price $30.05

Original Price $37.57

20% off "buy together" offer

Aquarium Caves Set of 3 - Natural Fish and Shrimp Hides, Nano Tank Shelter Rocks, Corydoras and Betta Aquascape Decor Hideouts

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Sale Price $25.59

Original Price $31.99

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Natural Aquarium Cave for Shrimp, Betta, Corydoras, Pleco – Under Substrate Tunnel Hide | Breeding Shelter | Fish Tank Aquascape Decor This listing

Natural Aquarium Cave for Shrimp, Betta, Corydoras, Pleco – Under Substrate Tunnel Hide | Breeding Shelter | Fish Tank Aquascape Decor

Sale Price $30.05

Original Price $37.57

20% off "buy together" offer

Aquarium Caves Set of 3 - Natural Fish and Shrimp Hides, Nano Tank Shelter Rocks, Corydoras and Betta Aquascape Decor Hideouts

Aquarium Caves Set of 3 - Natural Fish and Shrimp Hides, Nano Tank Shelter Rocks, Corydoras and Betta Aquascape Decor Hideouts

Sale Price $25.59

Original Price $31.99

20% off "buy together" offer

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