The Planted Tank Forum - View Single Post - Hawaiian Red Shrimp always hiding
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Old 05-10-2013, 07:45 AM   #2
Algae Grower
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I think it's just the size of the tank and the number of opae ula you have. I felt the same way when I had a few in a 1.5 gallon. It just seemed very sparse and empty. I added more and now it doesn't feel empty.

Behavior wise, they mostly just crawl around on the (dead) coral/substrate and graze. There's not much room to swim for them in the 1.5 so I don't notice that behavior much.

In my 10 gallon there's a lot of vertical empty space so I notice them swim and glide around more.

If there are hiding places, a "large" tank, and few shrimp, I think it's just natural that it would seem like they aren't around (and not something you are doing wrong with water parameters or anything).
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