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Old 05-23-2012, 08:59 PM   #1
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How to Tell the gender if a fish

Hi. I have been told by many sources about how to tell the gender of a fish. None of them are very clear. Can someone clear it up for me?
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Old 05-23-2012, 09:04 PM   #2
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It depends on what type of fish you are talking about.
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Old 05-23-2012, 09:13 PM   #3
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Guppies and cichlids
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Old 05-23-2012, 09:15 PM   #4
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Depends on what kind of cichlid.

For guppies, males have a gonopodium, an altered anal fin. It is kind of rolled up instead of fanned out like the female's is.
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Old 05-23-2012, 09:47 PM   #5
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I used to say Livebearer males wear a Sword (gonopodium) thin and pointed
and females wear a Fan (wide single fin under belly)

Cichlids there are so many species it will depend on which one.

But as a general rule, males tend to have longer more pointed fins and MAY be more colorful or different color. They also may have a nuchal hump on their heads.

Google is your friend. Look at pics of male and females and you'll quickly get an idea.
Some fish are more subtle. Livebearers are easy !
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