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SpringSmart Betta Fish Tank Decor Rock Cave, Aquarium Hideout Accessories

Based on 3,772 reviews
Condition: New
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$6.98
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Availability: In Stock.
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Arrives Monday, Nov 2
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At a glance

Condition
New
Dimensions
3.5"D x 3.5"W x 3.35"H
Weight
5.28 oz
Color
Gray
Material
Ceramic
Style
Tropical
Dog Breed Size
Small

Features 5

  • ---This hideaway stone is a good cave for fishes to breed, play and rest. Betta, shrimp, guppy, snail...will love it.
  • ---Suitable for small fishes, easy to clean, good for nitrifying bacteria reproduction which can help to improve water. Also a nice gift for Christmas, birthday, new year, etc, for your families, kids, friends, colleagues.
  • ---Ceramic material with granite pattern, safe and non-toxic for fishes. No Fading, No smell.
  • ---No sharp or rough edges, no worry on scraping fins.

Description

Q: My betta fish always hides in the corner and seems stressed. Does he need a hiding spot? A: Yes. Bettas, guppies, shrimp, and snails naturally need a safe space to reduce stress. This fish ceramic cave is a quiet hideout where fishes rest, play, and breed – reducing stress and glass surfing. Q: Is this decoration safe for delicate fins? What is it made of? A: Absolutely safe. It’s made of non-toxic, odorless ceramic with a granite pattern and no sharp edges. . It won’t fade or smell, and it works in both freshwater and saltwater tanks – a reliable piece of betta fish tank decor. Q: I keep bettas, guppies, and shrimp together. Will this cave work for all of them? A: This fish tank cave measures 3.5″x3.5″x3.35″, ideal for small tanks, nano aquariums, or breeding boxes. Bettas, guppies, shrimp, will all swim in and out. It’s both a safe retreat for shy or smaller individuals. Q: How can I make my aquarium look like a natural creek bed? A: Place this fish aquarium decor among plants or sand. The granite‑like texture looks almost identical to real stone, yet it’s lighter and smoother. The cave creates light and shadow for a calm stream vibe. Q: How big is 3.5 inches? Will it fit in my 5‑gallon tank? A: The opening is about 1.6 inches wide – perfect for small fish and shrimp to swim through. The overall size is slightly larger than a golf ball. It fits easily in a 3‑gallon desktop tank to 20‑gallon community tank. Q: Does this cave do anything for water quality? And is it hard to clean? A: Yes, it helps. The porous ceramic surface grows beneficial nitrifying bacteria that break down fish waste – like a mini biological filter. Cleaning is simple: just rinse with water. Soak it for 24 hours before first use. Q: Can I buy multiple caves and stack them to create a bigger aquascape? A: Yes. Stack 2 or 3 to build a multi‑level fish tank hideout. Creates caves, tunnels, and terraces – just like a natural stream bed. Turns your tank into an underwater playground.

Specs 18

Brand SpringSmart
Product Dimensions 3.5"D x 3.5"W x 3.35"H
Material Ceramic
Color Gray
Style Tropical
Manufacturer SpringSmart
Brand Name SpringSmart
Number of Packs 1

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Nov 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


Looks Nice Too
The water dwellers love to hide in here, mosey along through it, and chase each other in and out of it. Cleaning it can take some time due to the texture, but it's a great size, so a good choice for this two-legged. So I am pretty sure they would give it 5 fins up.
Reviewed in the United States on October 2, 2026 by nbgrrrl

Hideaway rock Cave
I added this SpringSmart hideaway rock cave to my 10‑gallon aquarium and have been really happy with it overall. The ceramic construction looks like natural stone and blends nicely with the other decorations — it doesn’t stand out like cheap plastic decor. The surface feels smooth and safe, with no sharp edges to worry about my fish’s fins, which is exactly what you want in a tank ornament.  My Betta and a few guppies love it — they swim in and out, rest inside, and seem pretty comfortable using it as a hideout. It provides just enough shelter to give timid fish a sense of security without taking up too much room. The size works well in small to medium tanks; I’ve got it near some plants and it doesn’t crowd the space.  Cleaning is easy — just a quick rinse with tank water — and I like that the ceramic won’t affect water quality. One small thing: it is on the smaller side, so if you have big fish (or want more hideouts), you might consider adding a couple of these or pairing them with other decorations.  ... show more
Reviewed in the United States on January 9, 2026 by michael

Highly recommend this little betta/ clean up crew hideout
A+ plus in all areas from shipping to the item being so smooth and perfect for the aquarium. It was not a burr or anything that needed to be smoothed out. I was beyond surprised and can’t say anything except I’m grabbing a couple more and that this is the one to get. Very durable and was safe in the tank! All of which I really appreciate. . ... show more
Reviewed in the United States on August 26, 2026 by Brent Baron

High quality rock
My fish, Anastasia & Bartemus, absolutely LOVE their new rock. They hide in it they sleep in in, what more could you ask for!? Not sure if it’s a rock or a boulder, but the pioneers could definitely ride this baby for miles. Would recommend based on the high quaility. I barely noticed it was a fake rock! ... show more
Reviewed in the United States on October 2, 2026 by Anthony N

Great addition to my tank
Natural looking, fish love it.
Reviewed in the United States on May 2, 2026 by CNA

Spacious and harmless texture
Jasper loves it. He uses it for naps. It’s also easy to clean, just a simple rinse.
Reviewed in the United States on August 24, 2026 by Jaelyn

⭐ My betta loves it
This little cave was exactly what my betta needed. It's the perfect size for my small tank, and he loves resting and hiding inside it. Great addition to the aquarium! 🐠💕
Reviewed in the United States on July 27, 2026 by Leandra Gomez

Nice but poor quality - fish don't mind
I wanted to update to say that no fish perished upon putting these in the tanks. My bettas love them. I am going to buy another - my dremel is ready. If you have the ability to smooth the edges or have fish that won't get their fins snagged these are great. If I didn't have a dremel I would not able to use these and that's really a shame because the fish like them and they look great. I read the reviews and knew if there were sharp edges I could dremel them. indeed there were quite a bit of sharp edges on the interior rims of the holes. I shouldn't have to correct that but I didn't mind. Until I got to second rock. There were sharp edges all inside, some of which the dremel could not reach. I also read about fish dying. So I soaked these in a bucket for a few days. No changes in water parameters. They look nice in the tanks. We will see what the fish think. Should any fish mysteriously turn up dead I will update the review, but I don't expect that to happen. This would have been a 5 star review if the manufacturer would take care of the sharp edges which seems like it wouldn't be that hard. ... show more
Reviewed in the United States on August 20, 2024 by Amazon Customer
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