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  Topic Review (Newest First)
04-02-2019 06:32 PM
Jafa I have had several Betta over the years and found they were/are all full of bravado and posturing, but sweet underneath... until I bought a sibling pair of yellow koi plakats. They are both WIRED! Both chase and nip anything in sight, relentlessly! Very people-friendly though <3
03-31-2019 05:53 PM
RussellTheShihTzu FWIW, one gets the same result as using a breeder net if one just gives the fish proper cover and a day or so to work things out on its own.

However, if the behavior lasts more than a couple of days temporary separation often works. But this separation must be done with the above mentioned breeder net or another clear container *in the tank* to be effective.

The dynamic involved is the fish in the net realizes whether they chase the other fish or not, they leave. Same thing with a dog that chases cars. The dog thinks the cars "run" because he/she is chasing them. If you take that dog and make him/her sit and watch cars go by for an hour or so it gets the idea. Used this method with great success when I was doing behavior modification training.
03-31-2019 02:26 AM
bluesamphire That is great news.
Thank you for the update.
03-30-2019 10:30 PM
Amandaortner
Quote:
Originally Posted by dagluk View Post
As everyone has said above, it depends on the fish! One of my males lives in a 5 gallon with 3 amano shrimp - he's so timid that they chase him off of food sometimes. Another male with 4 cherry shrimp - chased them around for a day and I thought he was going to eat them, but gave up and now leaves them alone. 5 females in a 40 gallon - added in 6 cories and only one of the females was a brat (actively chased and bit at the cories). I put her in jail for a while and now she leaves them alone.

So yeah, they're all different! If you're having issues, I have luck with 'betta jail'. Just stick them in a breeder net for a few days in that tank and hopefully they settle.
I am SUPER pleased to report that adding more cover has changed the dynamic in the tank exponentially. I didn’t get more live plants, I got silk plants because I wanted bulk over parameter balancing.
I’ll be adding the blue bubble wand next payday for additional oxygen as well, and have changed my flow settings so that he gets a TINY bit more exercise aside from chasing teeny tiny catfish.
But they all seem to really get along well.
03-30-2019 10:11 PM
dagluk As everyone has said above, it depends on the fish! One of my males lives in a 5 gallon with 3 amano shrimp - he's so timid that they chase him off of food sometimes. Another male with 4 cherry shrimp - chased them around for a day and I thought he was going to eat them, but gave up and now leaves them alone. 5 females in a 40 gallon - added in 6 cories and only one of the females was a brat (actively chased and bit at the cories). I put her in jail for a while and now she leaves them alone.

So yeah, they're all different! If you're having issues, I have luck with 'betta jail'. Just stick them in a breeder net for a few days in that tank and hopefully they settle.
03-29-2019 09:43 PM
Amandaortner Yes, this experimentation is totally new for me. I have had many bettas over my lifetime, and especially in my son's lifetime, but always as a "oh bettas are cool" kind of thing. I'd like to say I was always experienced, but of course the "big draw" to the novice is that bettas "can" be kept in itty bitty cutesy containers with a plant stuck on top.

But relatively recently I went through some trauma, and I've found that aquariums really bring me a sense of calm and healing, and since then I've jumped in headfirst. I've gone from "1 gallon is big enough" to "I need a minimum of 5g, and I need a variety of sizes to choose from". I've definitely enjoyed having the cories and REALLY hope that the chill life I saw was what's in store!!
And I'll be doing some better oxygenation for sure!
03-29-2019 09:08 PM
RussellTheShihTzu Believe it or not, Betta benefit from higher flow output.

I buy mostly Betta with exaggerated finnage. I put the filter on its lowest flow and gradually increase as the Betta gain strength. They seem to like swimming into the flow for exercise. The result is my filters all go about half-way or a bit more so there is some surface agitation but not turbulence. I also use blue light bubble wands and the Betta (along with the other fish) are seen swimming in and out of the bubbles.

The advantage of the blue light is you can watch the fish and their night-time behavior once the white lights go off. So much fun. When you are more confident of other species, this will be especially helpful if you get shy, night-active fish like Hara jerdoni. So cute.

If you like the bottom-dwelling Cory behavior then later on look into a shoal of 10 or so Pygmy Cory. They are mid-tank dwellers so won't compete with the other Cory for food. And they are more fun than a box of popcorn!

BTW, I have two 20 long community tanks. When they weren't divided I ran two filters....one on each end. *I* say that's to filter the entire tank so there are no dead spots AND should one go out I still have another. However, my husband says I run two filters so I have one ready for another tank.
03-29-2019 08:43 PM
Amandaortner
Quote:
Originally Posted by RussellTheShihTzu View Post
Welcome to the Forum!

Betta are territorial fish plain and simple. Some more so than the other; some have bigger "territories" than others. They chase other fish out of their territory because that is what they do and how they establish the boundaries of this territory.

Cory/Catfish and others occasionally zip to the surface. Some Betta ignore this temporary intrusion; some do not.

What is the GPH of your filter? Is the tank well enough oxygenated for non-labyrinth fish? I am sure it is but sometimes owners maintain a low-flow-oxygen-level that is fine for Betta but not for those with only gills. So gotta cover all the bases. This zipping to the surface, if frequent, could mean you need more oxygenation.

One way to tell if the tank is oxygenated for all the residents is to note if a Betta frequently breathe from the surface or makes use of its gills and seldom surfaces. I cannot recall the last time I saw one of the Betta in my community tanks surface breathe.

I would not give up on the Betta just yet. Chasing something new is perfectly normal. In 40+ years of Betta-based community tanks I have had fewer than 10 (actually, I can only think of five) that did not settle down after a week and ignore the other fish. Those guys who had to live alone aggressively and relentlessly chased other fish all over the tank or stalked one particular individual from the get-go. They were in another tank faster than you can blink an eye.
Ohhhhhh I hadn’t even considered the oxygenation. As a betta girl, and never a giant 20 gallon for one fish girl, oxygenation wasn’t even on the thought train. They don’t zip up to the surface a lot, but, they’re zippy though! Honestly I’ve experienced way more joy in owning those little fellers than I expected of a fish considered primarily “clean-up”. I did go home and provide a lot more cover and everyone seemed super chill about it and happy. I watched them for a bit and then had to leave when I was comfortable with the behaviors. As far as my filter flow, I’m honestly not sure (and I can’t say for sure until I get home). I got the actual mechanism when I purchased the 20g but never throw out any kind of manuals so I still have the info. But again, as a betta girl, the lower power output the better, so it’s probably not moving fast enough for any kind of oxygenation.
03-29-2019 08:17 PM
RussellTheShihTzu Welcome to the Forum!

Betta are territorial fish plain and simple. Some more so than the other; some have bigger "territories" than others. They chase other fish out of their territory because that is what they do and how they establish the boundaries of this territory.

Cory/Catfish and others occasionally zip to the surface. Some Betta ignore this temporary intrusion; some do not.

What is the GPH of your filter? Is the tank well enough oxygenated for non-labyrinth fish? I am sure it is but sometimes owners maintain a low-flow-oxygen-level that is fine for Betta but not for those with only gills. So gotta cover all the bases. This zipping to the surface, if frequent, could mean you need more oxygenation.

One way to tell if the tank is oxygenated for all the residents is to note if a Betta frequently breathe from the surface or makes use of its gills and seldom surfaces. I cannot recall the last time I saw one of the Betta in my community tanks surface breathe.

I would not give up on the Betta just yet. Chasing something new is perfectly normal. In 40+ years of Betta-based community tanks I have had fewer than 10 (actually, I can only think of five) that did not settle down after a week and ignore the other fish. Those guys who had to live alone aggressively and relentlessly chased other fish all over the tank or stalked one particular individual from the get-go. They were in another tank faster than you can blink an eye.
03-29-2019 12:36 PM
Amandaortner
Quote:
Originally Posted by Ratvan View Post
You could possibly divide that 20g, maybe using a clear divider or the DIY craft mesh and see how the Betta reacts to movement on the other side?
That way you could get the Corydoras and keep the Betta Separate if needed?

Well, the thing is, he doesn't react to them at all unless they just happen to swim right in front of him, then he chases them down to teach them a good lesson I suppose. He doesn't flare, and doesn't really show any signs of aggression, he's well fed too so I don't see it being a "gotta eat that guy" reaction. It's more of a toy-chasing movement. So I don't think a divider would do any good (at least for this guy) but in the future if I get over the trauma of this go-round, that's definitely the route I'll take. I'm going to move the cories out tonight, then once the betta settles down and de-stresses put him in a 5 gallon. I'm honestly probably just going to use that 20 for some Mickey Mouse platy's and call it a day for betta tankmates. Better safe than sorry!
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