Female betta turns out to be male? - Page 3 - Betta Fish and Betta Fish Care
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post #21 of 26 (permalink) Old 01-09-2017, 09:51 PM
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Here's one of my males compared to a female I had

See how the male has that big flap coming down? Females don't have that. There has been some cases where they have one but not as large as a male's, but they usually don't have one that large.

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post #22 of 26 (permalink) Old 01-09-2017, 11:14 PM Thread Starter
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Thanks I will check that out!

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post #23 of 26 (permalink) Old 01-10-2017, 02:17 AM
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Female bettas sometimes build nests when they want to spawn not often though. Sometimes when breeding bettas she will even help the male make the nest. To tell for sure, females usually have an egg spot that is white between their Ventral fins.
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post #24 of 26 (permalink) Old 01-10-2017, 04:26 PM
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Egg spots aren't reliable in sexing bettas. Young males will have a false egg spot that usually goes away once he's fully grown. I would look for a triangle shape just behind the ventral fins/belly area. On lighter colored females it appears more yellow. Darker bodied its a little harder to make out. This shape is the ovaries and is the best way to determine gender.

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post #25 of 26 (permalink) Old 01-10-2017, 04:27 PM Thread Starter
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Thanks everyone. I believe it's a female still. When I made her flair she looked like in female photo a that was posted to me. Thanks!

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post #26 of 26 (permalink) Old 01-11-2017, 01:50 PM
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Looks male. Females can make bubble nests, even take over care of fry. My newest female has a beard that rivals Dumbledore's/Gandalf's. It really is quite confusing sometimes trying to figure out these bettas!
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