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Posted by kherman on March 15, 2003 at 14:36:03:

In Reply to: I am not sure I agree that there is any difference.... posted by cindy on March 15, 2003 at 08:25:24:

:...in coloration, but I agree with most of the rest. You still forgot the most obvious difference, the gonopodium.

:Females have fan shaped anal fin (on the upper left) and males have a longer, tube shaped anal fin (on the upper right.)
:

Ya, I left that out of my reply. The gonopodium. Look it up on google.com for more infomration. Actually, here you go:

• gonopodium

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