08-19-2010, 08:28 PM
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Originally Posted by Cornelius1208
What size tank do you have? Sometimes fish don't school because they don't feel threatened at all. I know my grandma has a 10 gallon tank, and her neons tetras and black tetras are so comfortable in there they don't school. Size and tank temperament would affect how closely fish stay together.
+1 I have a shoal of cardinals and they are always a few here, a few there, and then something happens that spooks them and they all come together in a big fat hurry. I'm curious to know your tank size and other occupants??