Pistol Shrimp Best Substrate Choices?

[davidflagg]

How does the burrow even stay intact? I've seen all kinds of substrate used in pistol shrimp setups - pebbles, crushed coral, aragonite sand, fine sand, etc. There's been some people who managed to bait the shrimp into burrowing next to the hardscape, and the rocks sort of "guide" the shrimp to make a very sturdy burrow. Is it better to use fine sand that might cave in, or larger granules?

 

[shakacuz]

aragalive pink fiji is what i use

 

[AceREDjupiter]

I a tiger pistol shrimp in a 10 gal with some finer sand. I forget which at this point, but I am thinking about moving to my 25 gal with crushed coral. Below is a short thread from 2021 discussing a similar idea.

Proper substrate for YWG/pistol shrimp

I currently have a sand bed of about 3” of CaribSea Fiji Pink. I am about to add a Yellow Watchman Goby / Pistol shrimp pair and I’m worried that this won’t be substantial enough for them to make their burrows with. Any advice on what I could add and how I might go about mixing it into an...

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