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Shrimp Breeding Protector – Colony Cave

An aquarium tunnel that has small holes that let shrimp through while keeping all fish out.

Color: White
$9.99 USD
$9.99 USD $9.99 USD
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🐠 Aquarium
  • Easy to Install: The breeding protector gets buried in against the glass in your fish tank. Allowing for easy viewing of your shrimp.

  • Works for all shrimp types: Add food in the tunnel to encourage shrimp to explore.

Ships from Wisconsin, USA Shrimp Safe Made in the US Medium
🔥 400+ bought in past month
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Questions & Answers

Answered by real pet keeping experience.

Q How will my shrimp use it?
Shrimp are natural cave and tunnel explorers, so most will find their way in on their own and use it as a place to hide, eat, molt, and breed. If yours are a little picky, drop some food inside the tunnel to encourage them to explore — once they associate it with a safe spot to feed, they'll keep coming back to it.
Q What if I have a large colony that needs more room?
That's exactly what we built it for. Burying the cave against the glass adds a whole new dimension to your tank and lets shrimp spread out and explore under the substrate, which reduces density and stress across the colony. For a big colony you can add multiple protectors, or pair this with our smaller CTWPets shrimp hides so every shrimp has somewhere to retreat.
Q Will it actually keep my fish away from my shrimp?
Yes. The small holes along the tunnel are sized to let shrimp in — adults and babies alike — while keeping fish out. Most fish seem peaceful right up until they get hungry, and that's the moment your shrimp become the snack. This gives them a protected space to hide, eat, molt, and breed where fish can't follow, so you stop quietly losing shrimp you didn't even realize were disappearing.
Q Do I need it if I only keep shrimp?
It still earns its place in a shrimp-only tank. Shrimp are especially vulnerable and easily stressed while molting, and the tunnel gives every shrimp a place to retreat. That extra hiding room spreads the colony out, lowers density, and reduces stress across the whole tank — even with no fish in the picture.
Q How do I set it up in my tank?
It's made for any flat-surfaced aquarium. Bury the cave against the glass so the flat side sits flush against the wall, and you'll be able to see beneath the substrate right into the tunnel. That flat design is the whole trick — it presses against the glass and opens up an under-substrate view most hides can't give you.
Q What makes this the one to start with?
This is the original design and the original trademark for the Shrimp Breeding Protector — designed and made in the USA, and already responsible for helping millions of shrimp across more than 20,000 aquariums. We make smaller breeding protectors and hides too, but this is the easiest place to start for your tank, and you can always expand from here.
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Do you keep shrimp in a community tank, a fish tank, or a betta tank?

You may be losing shrimp every day adults and babies alike without even realizing it. Most fish are peaceful, and you'll often see gentle interactions between your fish and shrimp. But the moment your fish get hungry, your shrimp become the snack.

With the CTWPets best-selling Shrimp Breeding Protector, that's a thing of the past. Our unique flat design works in any flat-surfaced aquarium: simply bury the cave against the glass to add a whole new dimension to your tank. Now you can see beneath the substrate. Small holes along the tunnel let shrimp in while keeping fish out, giving your shrimp a safe space to hide, eat, molt, and breed.

Shrimp will naturally find their way into the hide—but if yours are a little picky, just add food inside the tunnel to encourage them to explore.

And it's not only for community tanks. Even in a shrimp-only setup, the tunnel gives every shrimp a place to retreat. Shrimp are especially vulnerable and easily stressed while molting, and this hide adds valuable space for them to spread out—reducing density and stress across the whole tank.

Designed and made in the USA, the CTWPets Shrimp Breeding Protector has helped millions of shrimp across more than 20,000 aquariums. This is the original design and the original trademark for the Shrimp Breeding Protector. We also offer smaller breeding protectors and hides but this is the easiest place to start for your tank.