Female Betta and Rams - Page 2 - Betta Fish and Betta Fish Care
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post #11 of 13 (permalink) Old 01-08-2020, 03:59 PM Thread Starter
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Originally Posted by RussellTheShihTzu View Post
Just so others understand, I know you don't mean she got "mad" in the human sense. However, some do anthropomorphize and believe Betta actually get mad (or sulk or are "brats" or act resentful or whatever) so I'm taking this as a teaching opportunity. Hope you don't mind.

Fish don't get mad. What pnwbetta's girl is doing is maturing sexually and defending her "territory." She is acting normally.

One of the reasons sororities are so deceiving is in the beginning the females are all immature and get along and the sorority seems a success. Then they hit "that" age, as has this girl Betta, and BAM! KAPOW! all bets are off.
So true.

I was reading a couple of scientific studies done recently on fish behavior, aggression specifically, and water changes. Basically the new fish don't have their scent in the water, or the water in general doesn't have the scent of each other, so the fish become more aggressive. Even claimed the size of the water change affected the length of time the aggression occurred. Which does make me wonder if G or other fish like her, might be affected as strongly by more established tanks with clear 'zones' and fewer large water changes/water adjustments with new fish.

She doesn't even act aggressive when she sees the other tank (with or without fish in her view), which Jasper (the previous koi Betta) would do. She's such a different fish in her own tank. :(
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post #12 of 13 (permalink) Old 01-08-2020, 05:55 PM
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I've read such studies, too. Or, should I say, absorbed them? LOL

As said in other posts, I've had a few that weren't community-friendly and it wasn't long before it was apparent. In immature Betta it may take a bit longer but, Boy, Howdy! do they let you know.

One indicator in Betta that have been in community tanks for quite a while (mine for two years) is they start to follow one fish....like a cat stalking prey. No immediate overt aggression but if you know fish you can read the body language. In my case, Dexter fixated on one Chili Rasbora; ignored the other mid-tank dwellers and Chili. I watched and was absolutely mesmerized. As a retired dog trainer/canine behaviorist, behavior in any species fascinates me. Anyhow, netted Dexter and transferred to a tank on his own.

I did add some Habrosus Cory about a month later and he totally ignored them. Now, when I'm newly-outfitting a tank I always add the bottom dwellers first. Wait a couple of hours, turn the lights on and if the Betta is ignoring the Cory I add the other fish. I use Rachel O'Leary's method of introducing shipped fish so I don't float the bag. All of my fish are shipped.

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post #13 of 13 (permalink) Old 01-09-2020, 10:42 AM Thread Starter
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Originally Posted by RussellTheShihTzu View Post
I've read such studies, too. Or, should I say, absorbed them? LOL

As said in other posts, I've had a few that weren't community-friendly and it wasn't long before it was apparent. In immature Betta it may take a bit longer but, Boy, Howdy! do they let you know.

One indicator in Betta that have been in community tanks for quite a while (mine for two years) is they start to follow one fish....like a cat stalking prey. No immediate overt aggression but if you know fish you can read the body language. In my case, Dexter fixated on one Chili Rasbora; ignored the other mid-tank dwellers and Chili. I watched and was absolutely mesmerized. As a retired dog trainer/canine behaviorist, behavior in any species fascinates me. Anyhow, netted Dexter and transferred to a tank on his own.

I did add some Habrosus Cory about a month later and he totally ignored them. Now, when I'm newly-outfitting a tank I always add the bottom dwellers first. Wait a couple of hours, turn the lights on and if the Betta is ignoring the Cory I add the other fish. I use Rachel O'Leary's method of introducing shipped fish so I don't float the bag. All of my fish are shipped.
Absorbed is right! :)

Oh goodness, yes, she let me know. I wonder if the Endler wouldn't have been a better choice given their small size and ability to outswim her.

But she was doing that exact thing with the Ram, going side to side, stalking him, even in the planted areas she'd flush him out and eventually she started attacking him relentlessly - didn't matter where he tried to go she was there pushing him, hunting him, starting to look a little mouthy. Didn't care about anyone else in the tank much, except the angelfish when they came up to investigate, she chased them away and went back to the hunt.

Maybe down the line I'll look at Cory or something, but she's still appearing quite happy in her own little zone.

Where do you get most of your fish from? And I'll have to go read up on that method.

I'm wondering too if some of these behaviors aren't tied to where the fish came FROM. Jasper and GG came from the same large chain store, technically Orion came from the same chain but a different store, and he wasn't feeling up to much of anything when I got him.
The Bettas at my LFS? Live happily with corys, guppy's, angelfish, rams, tetras (of course), swordtails, etc. And all of the other fish I have are from that store, where they get to hang out with each other and other species in the same tank for a bit of time before moving on to their new homes. And I think they all come from the same semi-local breeder.

I'm not trying to argue nature vs. nurture with the fish world, but there's a lot going on that probably affects them from egg start to where we get them. Including weeks or months spent in a community tank vs. weeks to months in tiny plastic cups, getting jostled around, especially as young fish. I'd be pretty testy after all that too. ;)

Last edited by pnwbetta; 01-09-2020 at 10:44 AM.
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