Violence in the 20 gal - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 4 Old 03-02-2009, 08:35 PM Thread Starter
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Violence in the 20 gal

Ok, quick run down.....
I have 2 green swordtails, a male and a female
4 cardinal tetras
1 blue neon gourami, male
and a peppered cory cat

Anyhow, all my parameters are perfect. I just did a 20% water exchange friday.
About 3 weeks ago the swords had 19 fry. I have 17 in a mesh basket in the same aquarium. Two others are swimming freely in the aquarium. (To fast and clever to catch)
Anyhow, now the female is attacking the male whenever he comes out in the open, she even bit off some of is tail. (It was a perfect tail too.... ) And she is starting to look fatter again too. I think she may be pregnant again....
So what is going on, anyone know?
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post #2 of 4 Old 03-04-2009, 08:36 AM Thread Starter
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Bump...
Nobody knows what is going on or what I should do???
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post #3 of 4 Old 03-04-2009, 08:57 AM
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Are you sure the female damaged the male? did you see it happen? Some Gouramis are rather aggressive or can be, as well as territorial. I am also wondering how long the swordtails have been together. were they bought at the same time? I ask this because sometimes fish are bought (livebearers) that may have been pregnant and perhaps by a different male than the one purchased. they are capable of holding sperm for some time (females) and though I am not sure about livebearers,, Some cichlid species will not spawn with males smaller than themselves. In theory,, It helps to ensure that the strongest genes are represented. I wish I could be more helpful ,but this is all I can think of . Or maybe female has just grown disgusted with the male for reasons known only to her. Females of many species including humans,, Do this sometimes.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #4 of 4 Old 03-04-2009, 10:08 AM Thread Starter
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Quote:
Originally Posted by 1077 View Post
Are you sure the female damaged the male? did you see it happen? Some Gouramis are rather aggressive or can be, as well as territorial. I am also wondering how long the swordtails have been together. were they bought at the same time? I ask this because sometimes fish are bought (livebearers) that may have been pregnant and perhaps by a different male than the one purchased. they are capable of holding sperm for some time (females) and though I am not sure about livebearers,, Some cichlid species will not spawn with males smaller than themselves. In theory,, It helps to ensure that the strongest genes are represented. I wish I could be more helpful ,but this is all I can think of . Or maybe female has just grown disgusted with the male for reasons known only to her. Females of many species including humans,, Do this sometimes.
Yep, I'm sure its the female. She'll chase him and bite him if he come out of the plants. It used to be the other way around, him chasing her but that was for breeding purposes.
I bought them at the same time, they are both the same size mature adults and I picked those two because they were getting along pretty well when i saw them. The male was even courting her, so we decided we want them two.
LOL..... I was kinda thinking the same that she was getting sick of him wanting to mate all the time......I know my fiance can get pretty aggitated with me at times
Either that or it was pregnancy hormones, but she wasn't like this the first time she was pregnant....

My gourami is the tamest fish in the tank(besides the cory), he pretty much sticks to himself. We even went so far to name him Eeyore like the donkey on "Winnie the Pooh" cause he has his personality...
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