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Old 04-19-2011, 09:49 PM   #1 
Burd's Avatar
Join Date: Apr 2011
Location: Pennsylvania
Females: Why do they get those bars?

I know darker females show vertical bars on their bodies when ready to lay eggs... but why? I've yet to be able to find any reason behind it, the cause. Why more than one bar? And why bars?

Sorry if this has been asked/answered before. I'm just curious if anyone knows the reason behind it.
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Old 04-19-2011, 10:30 PM   #2 
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Join Date: Dec 2010
Location: South Carolina
i'm guessing it's a visible signal to the male. :d i know Lulu's pretty po-ed at me. >.> she always stresses during water changes. poor girlie. ;A;
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Old 04-29-2011, 12:17 AM   #3 
Join Date: Jul 2008
Location: Central Texas
They're breeding bars. Horizontal bars mean that they are stressed.
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Old 04-29-2011, 12:47 AM   #4 
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I believe it is for visible queues between partners. Technically, bettas always have the horizontal bars but they are only readily visible when the betta's colors fade from stress. Both genders display horizontal stress bars.
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Old 04-29-2011, 06:08 AM   #5 
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Location: Pennsylvania
I know about both kinds of bars and what they mean. One of my fish gets stressed out whenever I turn a light on. It's weird.

I'm more interested in the physical biological reason behind the color change. A visible que between partners makes a fair amount of sense to me. Perhaps there is no answer to it that has been researched/found yet.
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Old 04-29-2011, 02:43 PM   #6 
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It seems logical that female bettas bar up to show that they are gravid. You can usually see eggs inside a female betta when they bar up, and this would let the male betta know that she is ready. Of course this is only a guess. Barring up in bettas in general seems to indicate submission to the other betta. Even juvie male bettas do it.
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Old 04-29-2011, 03:06 PM   #7 
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it shows there ovaries in females. When they bar up it means they are producing eggs even more when shown to a male.
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Old 04-29-2011, 04:17 PM   #8 
Join Date: Mar 2010
Location: USA
Both the vertical and horizontal bars as well as any color changes are a form of cammo and communication......

Females are producing eggs all the time that they will either release and eat or absorb the un-ripe eggs on a regular basis throughout her life...once the female detect the hormones of the male the egg will start to ripen and as the male senses the female ripe eggs this triggers him to spawn.....
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