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Ammano shrimp
My two cents on the Ammano shrimp thread:
I've lost shrimp when my pH swung below 6.0 for a day or two.
4 of my 8 shrimp are carrying eggs. One might infer a species-survival
tactic whereby the females release their fry simultaneously. I've got
Pearl Guoramis, Harlequin Rasboras and some Otos in my moderately-planted
50gal (CO2-injected, pH 6.6-6.8, CH 3.0), and I'll report the results when
the fry are released.
Here's the strange one: I've got a wet/dry filtration setup with overflow
and sump. The Ammano shrimp head for the overflow whenever they are
unsettled, such as when I perform a 50% water-change. They sometimes hide
in the 1/2"-wide space between the rear wall of the in-tank overflow
chanber and the glass wall of the tank, and other times they enter the
filtration system. I've had to rescue several from the behind-the-tank
chanber, and on more than one occasion from the sump itself (don't ask me
how they get past the bio-balls). I've screened off the overflow as much
as I dare.
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michael rubin
michael at rubinworld_com
http://www.rubinworld.com