I wonder if it was weakened to the point that it was easy to catch. I have cut down feeding to try and battle a green hair algae problem in the past couple months to only every other day with frozen mysis. I didn't see any ill effects with my other fish and he seemed fine so I didn't think it was doing any harm. Maybe this was a mistake on my part and I got too focused on the algae problem overlooking the fish. I guess that is how we learn lessons though.
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