Normal Betta Behavior?

AvalonValkyrie

New Member
I have a female betta that is about 2-3 months old in my tank, and I have recently added a green Cory. The two get along great so far, no biting or flaring from the betta, and the cory seems to like her. I'm a bit concerned though because since my betta likes to swim "laps" around the tank when she gets bored, almost every time she goes past my cory it swims up and bumps into her (he usually sits on the bottom or on one of the decorations) they take turns following the other around the tank for a while, and it almost looks like they are playing tag. The betta is very non aggressive and is very friendly, so I'm not worried about either party being stressed by this, and they seem to enjoy it. I was just wondering if this is normal Behavior for a Cory or if it's a unique thing that only mine does? I very much doubt that it's a parasite because he never rubs on anything, and he came from a very trusted source that quarantined and treats fish they take in.
 

Luisa

Active Member
I have a female betta that is about 2-3 months old in my tank, and I have recently added a green Cory. The two get along great so far, no biting or flaring from the betta, and the cory seems to like her. I'm a bit concerned though because since my betta likes to swim "laps" around the tank when she gets bored, almost every time she goes past my cory it swims up and bumps into her (he usually sits on the bottom or on one of the decorations) they take turns following the other around the tank for a while, and it almost looks like they are playing tag. The betta is very non aggressive and is very friendly, so I'm not worried about either party being stressed by this, and they seem to enjoy it. I was just wondering if this is normal Behavior for a Cory or if it's a unique thing that only mine does? I very much doubt that it's a parasite because he never rubs on anything, and he came from a very trusted source that quarantined and treats fish they take in.
Cory’s are shoaling fish so they like to be in groups and feel safer that way so I’d suggest getting at least two more. As for the behavior that is normal shoaling behavior but they typically only do this with others of the same species. Since he’s the only Cory he may be lonely and following the betta is as close as he can get to having others of his kind to lower stress.
 

AquEric

Active Member
What size is your tank corys like to school so you need at least three
 

Patriotthebetta

Active Member
It could just be because there bored, but my betta does that with my corys and soon after I noticed the behavior, I found one dead at the bottom and I'm like 99 percent sure that he killed it. What I'm saying is, just make sure it doesn't get too aggressive.
 
OP
AvalonValkyrie

AvalonValkyrie

New Member
My tank is a 6 gallon, and there are plenty of hidey holes if the fish get shy. I am going to get more friends for my cory in the future, but he was the only one me and the employees could find. I am just waiting for their new batch to be cleared from quarantine before I go get some more. Im just glad to hear that there isn't something bad going on with him!
 

AquEric

Active Member
You might think about upgrading to a larger tank 6 gallons is not going to house a lot of fish you might think about a 10 or better a 20 with a 20 you could put your betta three corys and 5 or 6 neons
 
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AvalonValkyrie

AvalonValkyrie

New Member
You might think about upgrading to a larger tank 6 gallons is not going to house a lot of fish you might think about a 10 or better a 20 with a 20 you could put your betta three corys and 5 or 6 neons
I wasn't planning on getting more fish really, just the betta and a couple Cory's. Might upgrade after a while, but at the moment I don't have enough room for anything bigger than 8 or 9 gallons. I've got a moss ball in there with them, but that's pretty much it for live plants, I'm waiting on my order for a couple more that'll come sometime this week.
 

AquEric

Active Member
I wasn't planning on getting more fish really, just the betta and a couple Cory's. Might upgrade after a while, but at the moment I don't have enough room for anything bigger than 8 or 9 gallons. I've got a moss ball in there with them, but that's pretty much it for live plants, I'm waiting on my order for a couple more that'll come sometime this week.
Ok try some java fern I keep it in my tanks it would eat the c02 and give back oxygen it's very easy plant to take care of
 
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AvalonValkyrie

AvalonValkyrie

New Member
Update: I got more corydoras and successfully introduced them to the tank, my betta didn't even care about them. The problem is that my cory that was already in there completely rejected them, refused to be within a 5 inch radius of them, I observed this over a full two weeks! Instead he spends all his time around my betta, and they're doing pretty much the same things they did when I first got him, except now they are inseparable. If I take one out of the tank for whatever reason (usually checking for fin rot because the betta doesnt like to sit still) the other one freaks out, swimming around like it's the end of the world until I put them back in the tank. Not sure why he doesnt like the other Cory's, but he seems happy with his betta girlfriend so I'm not very concerned.
 

Mindy3

Active Member
I just changed the substrate in my bettas tank from gravel to a black sand specifically for some live plants. And also because the pink my son picked was giving me a headache.
The water is still very opaque after the change so I can’t even see if things are positioned correctly. But my betta has been swimming around normally. Checking out his new plants (I think). But he also keeps coming up to the glass and swimming down to the sand and rubbing his body on it. Is this normal? It seems really cute like he’s just curious and or likes the way it feels. I added stress coat to the water change at the same time I did the substrate change. I’m just wondering if this is cute. Normal mush betta behavior? Or should I be worried? Promised Søren I wouldn’t kill the fish! First pic is him like “standing” on the sand after (second pic) he rubbed his body all in it
09CC1E6A-2469-49F2-BA88-E60FA5D6CAEF.jpeg
DD725125-C408-4A73-ABD0-1CEEB3B36D37.png
 

FoldedCheese

Well Known
It's possible those free floating particles in the water column are irritating his gills/slime coat which is why he's rubbing his body on the substrate. I would only be concerned If he continues to do it after the water clears up.
 

Mindy3

Active Member
It's possible those free floating particles in the water column are irritating his gills/slime coat which is why he's rubbing his body on the substrate. I would only be concerned If he continues to do it after the water clears up.
I wasn’t sure if it would bother him. I did a little research on it and most said it was fine to change substrate with the fish in the tank. I hope I didn’t do something wrong!
 

FoldedCheese

Well Known
I wasn’t sure if it would bother him. I did a little research on it and most said it was fine to change substrate with the fish in the tank. I hope I didn’t do something wrong!

You didn't do anything wrong, I just personally wouldn't have left him in there because it's significantly more stressful then just a regular WC. He's most likely fine, but I would keep an eye on him and your cycle.
 

Mindy3

Active Member
I think he is a little hyper since the substrate change but he seems to be mostly just checking out his new plants. Looking at them and then rubbing against them like he’s just curious what they are. He’s eating absolutely fine. I did a 50% water change last night and stuck a piece of carbon in the filter outtake. It’s still pretty darn murky though!
image.jpg
 

OperaGhostOG

New Member
Hi, my sister got a betta a couple days ago and I’ve been helping her with everything because this is her first aquarium. But I’m more of a goldfish person so I really am not sure if this is normal behavior for a betta.
Today, we noticed the betta takes a lot of naps throughout the day. And by that I mean he lays at the bottom frequently. If my goldfish were doing that, I would be worried. But I read online that isn’t necessarily a bad thing. I’m skeptical of googles aquarium advice so I thought I’d ask people who have owned them in the past.
The only thing I can think of it being is the temperature. The heater is preset to 78 degrees. The aquarium storewe got him from is pretty hot so maybe he isn’t used to 78?
 

pete9999

New Member
Well, it might be normal or not. Betta fish can breathe through their gills and their labyrinth organs so unlike some other fish who need to keep moving to have water through their gills to get oxygen, betta fish can and do take breaks during which they are almost entirely motionless.
However, if the betta fish is very often laying still at the bottom of the tank, and is not eating or seems uninterested in food, is not easily aroused, is not curious, is rarely patroling the tank, then something is possibly wrong. While betta fish do occasionally rest, they are very active fish, an inactive betta is not normal.
I doubt that the issue is temperature, perhaps you should look into these instead:
Did you check the water parameters? Betta fish are hardy but if the parameters are way off it will affect them
Is the aquarium large enough? A very small aquarium might discourage a betta from moving
Is it nitrogen cycled? If it's a brand new aquarium it probably isnt and you need to check parameters, again betta are more tolerant than other fish but to an extent
Did you put any plants, caves or other betta decoration? Betta fish need stimumus
Is there a strong current in the aquarium? In general betta fish prefer still water, make sure the filter isn't creating a strong current. Betta fish kept in cups at pet stores will have an even harder time swimming against the current.
 

OperaGhostOG

New Member
Well, it might be normal or not. Betta fish can breathe through their gills and their labyrinth organs so unlike some other fish who need to keep moving to have water through their gills to get oxygen, betta fish can and do take breaks during which they are almost entirely motionless.
However, if the betta fish is very often laying still at the bottom of the tank, and is not eating or seems uninterested in food, is not easily aroused, is not curious, is rarely patroling the tank, then something is possibly wrong. While betta fish do occasionally rest, they are very active fish, an inactive betta is not normal.
I doubt that the issue is temperature, perhaps you should look into these instead:
Did you check the water parameters? Betta fish are hardy but if the parameters are way off it will affect them
Is the aquarium large enough? A very small aquarium might discourage a betta from moving
Is it nitrogen cycled? If it's a brand new aquarium it probably isnt and you need to check parameters, again betta are more tolerant than other fish but to an extent
Did you put any plants, caves or other betta decoration? Betta fish need stimumus
Is there a strong current in the aquarium? In general betta fish prefer still water, make sure the filter isn't creating a strong current. Betta fish kept in cups at pet stores will have an even harder time swimming against the current.
Thanks for the help! He is in a 5 gallon with many plants, a rock, and a small place to hide. We began the cycle a week before getting him. After a week many suggested that we do the rest of the cycle with the fish in. But we have been testing the water everyday to make sure the water is safe. It has been consistently at 0 ammonia, 0 nitrite, and 5-10 nitrate. Today, for the first time the nitrite was less than 0.25 but not at 0. So we did 30% water change. We are also using nite out II and the special blend to help.
We got a special filter that isn’t supposed to have a strong current. There is a weakcurrent only when he is right next to the filter.
He does seem to really like the tank.
He is still interested in food, he even spends a lot of time hunting and eating the poor baby snails.
 

pete9999

New Member
Great! It does sound like you are doing all the right things! If the betta is taking naps but is otherwise active, eating and stimulated in the tank, then there's no reason to worry about it. Indeed, betta fish do that sometimes. The only last thing is that if the tank is planted I assume you have a light source for the plants, make sure to turn it off to give the betta 12-16 hours of dark. Also, you said he has a place to hide so I assume it is dark inside it which is good.
Overall, it does sound like you did everything right, a few naps during the day are just the typical betta behaviour.
 

OperaGhostOG

New Member
Great! It does sound like you are doing all the right things! If the betta is taking naps but is otherwise active, eating and stimulated in the tank, then there's no reason to worry about it. Indeed, betta fish do that sometimes. The only last thing is that if the tank is planted I assume you have a light source for the plants, make sure to turn it off to give the betta 12-16 hours of dark. Also, you said he has a place to hide so I assume it is dark inside it which is good.
Overall, it does sound like you did everything right, a few naps during the day are just the typical betta behaviour.
Thank you!
 

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