The Planted Tank Forum - View Single Post - Betta fish much smaller than others
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post #5 of (permalink) Old 02-01-2013, 04:56 PM
Planted Tank Enthusiast
Join Date: Oct 2010
Location: New York, NY
Posts: 820
Originally Posted by aokashi View Post
Each fry releases growth stunting hormones into the water to try and limit it's competition in growing up. this can only be eliminated with water changes.
I've heard this theory before. It's interesting b/c it begs the question....why doesn't the hormone circulating in the water also affect itself?'s way overrated.
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