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11 Reasons Why a Betta Fish Lays at the Bottom of the Tank

betta fish at bottom of tank header

Betta fish owners will witness all kinds of weird behavior.

Still, a betta that’s laying on the bottom of the tank does sound alarming.

Is the fish turned on one side or are its fins supporting its body?

Is that a symptom of a serious illness or just another odd trait of character?

Will it be okay eventually or is that the final straw?

Why does it look as if your betta is breathing heavily?

Typically, a Betta will act like this when some of the water parameters are not within the healthy range. However, sometimes it can be just a behavioral trait or even old age.

Let me explain.

A healthy betta needs its personal space, frequent water changes, and a properly diversified diet.

For the fish to prefer to stand still in an unnatural pose could mean a number of things.

Let me expand on those.

Figuring out why your betta fish lays on its side at the base of the aquarium

I can’t help but find the Betta one of the most weirdly-mannered fish I have ever kept. As they enjoy their privacy, In many cases putting a couple of aquatic plants will take care of the issue, but not always. Here’s why a Betta fish may lay on its side at the bottom of its tank:

A Betta fish may be resting on the bottom of its tank due to polluted aquarium water. Foul water conditions can make the fish lethargic due to the stress and in the worst-case scenario – poison the creature. Another common reason for a Betta that doesn’t move from the bottom would be a filter current that’s too strong for the fish to swim comfortably.

Regularly testing the water for the build-up of lethal Ammonia or Nitrite, and performing weekly aquarium maintenance can be a reliable way to keep a fish tank clean.

Note that this behavior is not always the result of something bad happening in the fish tank.

Here are the details:

1. It may be sleeping.

Betta fish, like most other animals, do need rest and will sleep. The fish will often find a comfortable place on the bottom of the aquarium where it will lay and take a nap during the night.

Sometimes a betta will snooze on a big leaf, closer to the top of the tank, as that’s where they do it in the wild.

Betta fish are not nocturnal, so their sleeping habits dictate being active during the daytime and going to sleep at night, or when the room gets dark.

They may also sleep in portions of about 1 hour at a time, multiple times a night.

Betta fish like to sleep lying on their side. It’s an interesting trait of theirs adding to their popularity among fishkeepers.

If your pet friend appears otherwise healthy and active, it is probably just taking a nap on the bottom.

Fun fact: There are even “betta beds” that represent artificial leaves, large enough to support a resting betta. Chewy, the reputable online store for pet supplies, has them in under 4 bucks. On that note, Amazon does too.

Anyway, if you’re like me (amused at how absurd it looks) then you’d be happy to give your pet a comfy bed.

The leaf should be mounted at the top of the tank.

Closer to the surface is where Betta fish spend their time in the wild.

Caution: Don’t mistake sleep with exhaustion. A betta will go to sleep whenever the lights are off.

Keeping them on constantly can confuse the fish. It will swim around until it’s exhausted and then have a prolonged rest somewhere in the tank.

Exhaustion can weaken your betta’s immune system.

2. It has Nitrate poisoning.

Betta Nitrate poisoning

by in-another-castle

Long-term exposure to Nitrate is one of the if not, the most common reason behind a Betta fish that’s lethargically lying on the bottom of its aquarium.

Is your Betta fish also progressively losing its coloration and beginning to look pale?

Is it lacking appetite?

Do its gills move rapidly as if the fish is out of breath?

If you notice a combination of these signs then it’s very likely that your Betta spends its time on the tank’s bottom because it has been poisoned by the Nitrate content in its aquarium water.

If you click the link you’ll learn everything about that condition and how to immediately treat it, but I’ll give you a quick rundown.

Prolonged exposure to even 20 ppm (parts per million) of Nitrate will sooner or later cause signs of illness.

You’ll hear most aquarists say that anything between 20 and 40 ppm is safe to have in a freshwater aquarium.

This, however, is a common misunderstanding that originated from the fact that nitrate is relatively less harmful when compared to nitrite and ammonia.

Both ammonia and nitrite are extremely toxic to aquarium fish, where nitrate is more of a silent, slow killer.

Arm yourself with a reliable liquid test kit and perform a water test. Test strips can only give a rough estimation of the situation but are nowhere near accurate.

In the case of poisoning, you’d need to know exactly how much Nitrate is there in the Betta fish tank.

This is so because you’ll need to calculate how much water you’ll need to remove.

A good water test to precisely measure the Nitrate in an aquarium would be the API Master test kit (this link leads to Chewy.com).

At this point, you’ll need to physically remove the Nitrate through water changes but do so in a slow and controlled manner. Changing too much aquarium at once may cause shock to your Betta fish.

3. It’s lazy.

Lazy betta

by coo_guy82

Sometimes, it’s not a lack of sleep but rather a lack of motivation.

If the front pelvic fins are moving and supporting a Betta that’s sitting on the bottom of its tank, then the fish is most likely being lazy.

Being lazy is a common trait of ornamental Betta fish.

Having huge fins is not always fun for swimming, so the fish eventually develops a habit of chilling at random places in the aquarium, and more often than not, this happens to be the bottom.

Monitor the behavior of your fish.

If your Betta moves around and feeds normally in-between “rests” then there’s nothing you should worry about.

Anyway, getting one of the Betta hammocks I mentioned above will provide your fish with its own resting space, away from the bottom.

4. It has a malfunctioning Swim Bladder.

Betta swim ladder disorder

by TottandBean

Another reason for a Betta to remain on the bottom or even swim sideways may be the swim bladder disorder (click the link to check the extensive guide I wrote on that).

The Betta fish’s swim bladder is narrowed due to overfeeding or constipation, among other reasons.

The stomach swells, hindering the swim bladder’s proper functioning.

The condition is not lethal in its nature but it makes swimming really hard for the fish.

Sometimes a Swim Bladder malfunction causes Betta fish to spend a lot of their time laying around the bottom, as they find it difficult to move.

They may also float uncontrollably to the top, but still turned sideways or even upside-down.

The disease can be treated by fasting the fish and feeding it foods that contain more fiber.

An approach I find extremely effective is to feed the betta a crushed pea or some Daphnia, which are both an excellent source of fiber.

For the former – peel the pea and boil it before the offering. You should fast the fish for at least 1 day (24+ hours) after that.

Be sure to clean the tank of pea leftovers, as cooked peas can make a mess in the aquarium’s water.

Using Daphnia is pretty straightforward and the preferred choice among aquarists.

Personally, I also prefer to feed my Betta some Daphnia as it is a natural source of fiber for this fish. Betta fish are carnivorous and that’s what they would eat if they were in the wild.

To avoid constipation and, consequently, Swim Bladder malfunctions I can recommend feeding your Betta with high-fiber food at least twice a week.

The other type of bloating in Betta fish can be avoided if you soak any pellets for 2 to 3 minutes or so before feeding them to your fish.

This allows the food to swell outside of my fish’s stomach.

Don’t forget you need to soak them in aquarium water, or at least one that has been dechlorinated.

For extra constipation-prevention diversify your Betta’s menu by feeding it bloodworm (a type of water flea larvae) occasionally.

Bloodworms are another food that replicates the natural diet of a Betta fish. An organic diet may help the fish in fighting off disease and it can also make its bright colors stand out more.

5. Filter current is too fast.

Betta right filter

by Kenzielauren8

Some may argue that Bettas don’t really need a filter because the fish can get tired quickly if the output current is too strong for its oversized fins.

Though the part about Betta fish not needing a filter is wrong, it’s definitely recommended to go for a sponge filtration in smaller fish tanks of 5 or fewer gallons.

That’s unless your aquarium kit comes with a built-in filter, which usually isn’t too strong.

Most selectively bred Betta fish have massive fins that make swimming in more turbulent water difficult.

So if your Betta seems less active and prefers to relax on the bottom of its tank, try tuning down the filter’s water circulation.

Not every filter has a flow-controlling valve, but many do.

My success for a 10-gallon single Betta tank has been with this such one filter (link to view it on Chewy) which has the adjustable flow feature.

Being able to control the flow in a small tank has made my pet friend twice as active.

For small fish tanks that hold between 3 and 5 gallons of water, you can likely get away with using a cheap sponge filter such as this one (make sure to get the “Mini”).

For my larger tanks that include a betta or other community fish with large fins, however, I am quite satisfied with using the AquaClear Power Filter 50. Chewy has those as well.

In my opinion, that last one crushes the competition on price tags that come with the same functionalities.

Both HOB filters work pretty well with my super poly-fil hack, by the way (link goes to my article on that).

Anyway, if you can’t get a filter with an adjustable flow rate right now, there are several DIY approaches you can try:

  • Strap a bio bag or any other kind of filter media on your filter’s water outlet. You can use a rubber band, fishing line or a cable zip tie to secure its placement.
  • Disperse the flow from the filter. Although you can get awfully creative here, I can confirm two easy and efficient ways to do that:

    – Tank divider kits are super cheap and will provide you with the perfect flow baffle and the means to attach it. Mount the mesh in front of the flow outlet.

    – Use a brand new plastic soap dish. Soap can be toxic to fish, so go and get a new cheap one from Walmart. They usually come with holes that are perfect for spreading the flow of your filter. Of course, go for the ones with suction cups.

  • Block the flow with plants or decoration. A well-planted tank will provide a safe place for your betta, away from the mean filter flow. You can also block the current with rockwork or artificial caves.
  • Drill holes in the intake pipe of your filter. This is simple physics. More holes or a larger intake pipe will reduce the pressure and therefore slow down the flowing current.

Note: It has been the case that I get asked if Betta fish need a filtering system quite often (more than I would like to admit). Betta fish produce waste and do need filtration.

Canister filters still hold the #1 place when it comes to maintaining decent water conditions.

If you’re planning on getting one, use a spray bar as an outlet.

These filters provide a strong flow rate, which needs to be spread out when dealing with long-finned fish.

Browse some options and mind that you should not use them in aquariums with less volume than 10 US gallons.

6. Water is too cold.

Naturally, as with any other cold-blooded creature, a Betta won’t tolerate cold water.

They are tropical and thrive in waters with a temperature of 75 to 82 degrees Fahrenheit (24 to 28 in Celcius).

If the water is too cold, your betta’s metabolism will gradually slow down.

This will cause the fish to become lethargic and spend a lot of time at the bottom of your aquarium.

Slowly raise the temperature if you think this may be the problem.

If by any chance the aquarium does not have a heater do some quick research on the best heaters for tanks that hold between 3 and 10 gallons of water and get one as soon as possible.

7. Its water too hot.

In summer an aquarium can get really hot.

Warm water releases oxygen too quickly which may leave your Betta gasping on the bottom.

Though Betta fish possess a special organ called Labyrinth, allowing them to breathe atmospheric air, they still may die if the water is poorly oxygenated.

In this case, you have to lower the temperature and add some extra oxygen to the tank:

  1. Lowering the temperature – DON’T use ice packs or ice cubes in the water.

    The sudden temperature change will stress both your pet fish and the beneficial bacteria in the aquarium and, perhaps, even kill them. What you can do is place a fan to blow directly on your aquarium’s water surface.

    Another (obvious) solution would be air-conditioning the room. You could also eliminate any direct sunlight reaching the aquarium.

    Don’t keep the fish tank lights on for over 6 hours, which should be more than enough for your aquatic plants to grow. Note that LED lights emit little to no heat, so get one of those if you have the chance (hint: the link will help you with that).

  2. Oxygenating – Use a small air pump to help with bringing more oxygen to the fish tank (Chewy.com has some durable ones for under $10).

8. Old Age.

Old Betta

by Catharsistar

Betta fish can live a happy and healthy life for about 4 to 5 years with good care.

Some may live even longer, but after hitting the 5-year mark they will become lethargic and more susceptible to disease.

Older Betta fish won’t have that youngster energy to explore. They will prefer laying around on leaves or the bottom of your fish tank.

Leave the elderly to peacefully reflect on their past.

9. High ammonia levels.

If your betta seems as if it’s gulping intensively while laying on the bottom then the fish tank may have an ammonia issue.

Ammonia spikes can be quite deadly to aquarium fish, so you need to confirm this as soon as possible.

Confirming an Ammonia poisoning is really simple – test your fish tank’s water. An excellent way to consistently monitor the ammonia in a fish tank is using Seachem’s Ammonia Alert sensor. It accurately tracks ammonia levels continuously and it lasts for almost a year, which is impressive, given that it only costs around $7.

Finding the roots of the problem, however, can be more complex. A couple of reasons for high ammonia may be:

  • An overstocked tank – the fish produce too much waste for the beneficial bacteria to handle.
  • Overfeeding – this is so because food waste turns into Ammonia.

    Monitor how much your betta actually consumes and offer less food than it can eat in one feeding session. Also, research how much and how often you should feed your fish for optimal long-term results.

    A good prevention of overfeeding is getting an automatic feeder.

    It will feed the fish just the right amount, even when you’re out of town.

    I can recommend this one on Chewy, as it’s an Eheim and it seems to work consistently.

  • Incomplete tank cycling – you’ve added the Betta before the aquarium was ready to harbor live fish.

    Tank cycling is when you leave the beneficial bacteria enough time to develop a colony in their new tank. In return, they will transform the dangerous ammonia levels into way less harmful Nitrates and your new pet fish won’t be in danger.

    A fully cycled fish tank shows readings of 0 ppm of Ammonia, 0 ppm of Nitrite, and 10 or more ppm of Nitrate.

    Full, natural cycling takes no less than a month.

    You can speed that process up to just about 2 weeks if you’re using bottled bacteria to kick start the Nitrogen cycle (learn more about that by clicking the link to see the guide I wrote).

The good news here is that you can almost always fix high ammonia levels by doing water changes.

Your initial water change should be no more than 50%.

Dechlorinate the new water before putting it in the tank by using a water conditioner such as Seachem’s Prime and continue to perform a 20% water change every week.

10. Stress or Disease.

There are a number of diseases that put a fish on the bottom of its tank.

Due to the way betta fish are bred their immune systems are weaker than most fishes’ by definition.

If you haven’t found the solution to your problem above in this article then I have bad news for you.

If hanging out at the bottom is combined with atypical behavior, loss of coloration, cloudy eyes, inflamed fin patches, etc. then your betta is probably sick and you should definitely be concerned.

All of these symptoms alert something more than a lazy personality.

Betta stressed

by wilddogslushie

If it’s a female betta with a swollen belly and you’ve concluded it’s not constipation then it may mean that the fish is eggbound.

Sometimes this condition sorts itself out, but not every time. If that’s the case, then little can be done.

Note that this is just one of the reasons for a bloat in Betta fish.

Anyway, if you suspect an infection then treating with Epsom salts can be beneficial.

You can also let some Indian Almond leaves sit in the water.

They will release tannins, which help with infections and strengthen the immune system of your fish.

Make sure your water parameters are in check.

A stress-free environment for your betta can also make the difference. One quick yet absurdly efficient way to reduce stress levels in betta tanks is by adding up some live plants.

These will artificially recreate the betta’s natural environment which may be a significant help in keeping stress at bay.

I recommend the addition of surface water plants that remain afloat if you think your betta may be stressed out. They filter the aquarium water from excessive organics, provide interesting surroundings for exploration and also get as close to the betta’s native rice paddies as possible. Oh, and they look great.

11. Its Aquarium is too small and the fish feels confined.

Betta small aquarium

by Razzyxcxc

If you’re keeping your betta in anything under a 3-gallon tank, then it may be time for a change.

The size of a 3-gallon tank is the BARE MINIMUM for a Betta fish. Ideally, you’d keep this fish species in a 5 or 10-gallon tank.

An argument to upgrade would be that smaller tanks are very difficult to keep in check.

Each small change in the water’s parameters can immediately throw the whole system off balance and your Betta will have nowhere to retreat to.

“Dilution is the solution to pollution.”

Anyway, another point I’d like to make is that, as mentioned above, Betta fish are curious, and also like their private space.

When the aquarium is too small and there’s no space to explore or retreat to, the stress may start to show.

Your betta will lose its life spark and it may prefer to do nothing but stay on the bottom.

Remember that in their natural habitat betta fish have a ton of horizontal space to swim in.

They are found in rice paddies and though shallow, these always provide more room to discover or a good hideout.

So, in case your betta tank is no more than 2-gallons in volume I would strongly suggest that you consider getting it a larger home.

Make sure the new place has LOTS of plants as well.

I can help with choosing the right aquarium with this guide.

Good luck.

The larger tanks also give the opportunity to house more than just a betta.

Conclusion

To witness a betta peacefully laying at a fish tank’s bottom is not uncommon.

It’s all about knowing your fish and its habits.

Carefully monitor its behavior and conclude whether it’s just a way of living or an issue in disguise.

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86 thoughts on “11 Reasons Why a Betta Fish Lays at the Bottom of the Tank”

  1. This is my first Betta, and I’ve had him for about 7 months and he’s been pretty active. Would always recognize when I came up to the tank and swam to the top. I have a filter and decorations and fake plants.
    A couple days ago he seems off.
    The next day he was at the bottom laying there and I thought he was just sleeping so I shrugged it off. Came home from work and he was laying at the bottom barely breathing.
    The next day he was swimming around a little bit finding a place and laying down I wouldn’t say on his side, but at a weird angle.
    I read to point the filter away so he doesn’t have to swim as much. So I did.
    And yesterday and today he’s been at the top floating breathing and his little fins are moving. He wouldn’t eat. His eyes are somewhat responsive.
    I honestly thought he was paralyzed or something. Like he looks fine but he can’t move.
    But I just tried to feed him and he ate a couple swam around then just sat there.
    I’m so lost. I feel horrible cause I feel like he’s suffering. Sorry it’s a long post just wanted to give you all the details I could think of.
    I think tomorrow I might go to petco and see if they have anything. What can I do? Thank you!

  2. Hello!
    My son had his betta male in a three gallon aquarium. He was very happy, swam like crazy, and ate blood worms for his diet. My son moved out (he’s grown) and couldn’t take Fish. I would still turn on /off aquarium light and feed him. After a few weeks, he quit swimming to the top when he saw me. He laid on the bottom, a lot, and doesn’t eat. My daughter, has a six gallon fish tank with only a pleco. We decided to move him in case he needed more room, needed human interaction, etc… His behavior is still the same. He lays at the bottom ALL of the time! He’s not eating either. His color is more pale as well. Water levels (ammonia, pH, nitrates, etc) are ideal. Temperature is within range. We have an air stone and filter. Not sure what else to do.
    P. S- just added tbsp of aquarium salt as precaution.
    Please help! My son will be devastated if something happens to Fish

  3. I find it really annoying when people say to get a 10 to 20 gallon tank for one betta. Thats just overkill and really unhelpful advice. 3.5-5 gallons is def enough for them to be happy and healthy. So please stop spreading unneccessary info that isnt realistic for most betta owners and uneccessary for the fish. I work at a pet store and I can guarantee noone will buy a 20 gallon tank for a betta.

    • Hi

      All due respect, but if people are not willing to buy the right size, this is not an indicator that the betta would be happy and thriving in smaller tanks. This is customer behavior and more often than not it is, in fact, being influenced by pet stores. Most pet stores advertise smaller tanks (falsely) so that more people could buy something that takes less space and presumably needs less maintenance. Sorry but this is all incorrect and marketing propaganda, by precisely said pet stores. To make a betta happy in a 3.5-gallon tank you need to plant the bleep out of it, which is difficult and requires even more care in the future, which, on the other hand, limits swimming space… Survival does not equal a happy life.

  4. Hi I have a fish named neon and well he is around 4 or 5 years old and he was around 2 when I got him he lies on the bottom of the tank all day long and I am really worried about him. I have a 3 gallon tank but he used to swing around like crazy. we have a heater and a filter. Sorry if my sentence are really long I am only 10.

    • Hi Mayla and thanks for contacting me.

      Is the tank’s temperature close to 80? If not I’d try rising it to that.

      Also, I’d add some almond leaves to help with its immune system.

      Apart from that, I’d try fasting him for 3 days and then feeding him a boiled, PEELED pea. That’s in case it’s swim bladder disease.

      I’d also add just a little bit of aquarium salt.

      Unfortunately, there are too many reasons for this type of behavior. Upon inspecting him, have you noticed weird fins (fin rot) or fast breathing (could be ammonia intoxication)? In these cases he should get medicated.

      It could be old age, as well…

      Regards

    • And not eating he has not eaten in 3 weeks and wen he does swim around he swims really fast and then goes back to the bottom of the tank

  5. Hi! My betta is lying on his side on the bottom of the tank for several days. He is completely uninterested in food, i dont think ive seen him eat in over a week. I also dont see him come up to breathe at all. He swims as if he has swim bladder disease, but to my understanding thats caused by constipation, which cant happen if he isnt eating? When hes laying at the bottom, he seems to be gasping for breath. He is in a 10 gal tank with a heater, filter and a few live plants and decorations, though I’ve recently put him back in the cup from the pet store, having it floating at the top of the tank in hopes to help him breathe. Im scared he is very close to death,. And any help to save his life would be appreciated. Thanks.

    • Hi, I have an article around here that discusses swim bladder disease and constipation is not the only reason it can occur. I suggest that you give it a try.

      Regards

  6. My betta is laying at the bottom of water and when I cover the tank , he comes out . When he sees someone , he swims oddly and hurts himself , crashed against the rock and tries to hide at places where they is no scope. At times he is gasping fast, other time he is normal .
    I just tried to add some warm water to maintain the 25 degree room temperature and covered the tank with clothes to reduce the stress. He is not eating since 1 day. I am getting worried . What should I do to cure him?

    • Hi,

      He sounds extremely stressed.

      Lots of live plants could significantly reduce stress. Live plants will provide more territory to explore and hide into, which will make him feel more secure.

      Also get a heater if possible, covering and uncovering the tank can also be stressful for the fish.

      Good luck!

      • Thanks for the suggestion. I am thinking of changing water and keeping 20% of what it is and keeping some money plant in the tank. Will money plant work?

        • Moneywort is a great plant because it’s somewhat dense and it looks good.

      • I see no sign of white spots , changed the water this morning and now I see my betta is staying on top of the tank.
        He is not eating but definitely hides with twisted body when he sees me around.
        He was so welcoming and entertaining before. He would jump to catch his food or at times attack the food.
        I am not sure what has happened to my betta.

        I am watching him at distance and found he is swimming and exploring the new arrangements in the tank. But he certainly runs away if I tap near the tank or even come closure to him.
        Should I worry about ? I have already lost one betta because of pop eye and post that Epsom salt treatment (I read somewhere in google) I don’t want do anything wrong this time and lose him. Please please help!

        • Hi again,

          Are you sure your aquarium’s water is pristine and clean? How are the parameters? Ammonia / nitrate / nitrite / pH ?

          • Ok, so I don’t have the measuring tools . Just ordered one from Amazon . I stored the water for one day covered to bring to room temperature which is around 24 -25 degree cel.
            I have introduced live plants in it.
            i am seeing some progress in him.
            He still hides when I am around and swims erratically but he comes out of the hiding place when I am not around and eats food .
            So he is eating but only when I am not around. He is intelligent and he knows if I am coming to him and he hides. Really appreciate your help here. Could you please tell me what makes him hide when I am around?

          • Really happy that my advice resulted in progress!

            In my opinion, you should give him some time now. Let him explore his newer and more interesting home and see if he gets more comfortable around you.

            Also, another thing I think may be the reason is… someone else has frightened him (family member or a guest) while you were not around? I mean you did say that in the beginning, he was acting very friendly towards you, right?

            Regards

          • Hi,
            I am pretty much sure that water tank is clean. However have ordered the measuring kit yesterday to assure I have all parameters checked time to time . My betta fish now eats food and swim around when I am not around and he hides when he sees me. I am not sure but I see a golden greenish shine in the middle of the body. Could it be velvet or could be his body color shade? Why does he hide and swims erratically when he sees me?

          • Hehe, you can’t be “sure” that your water is clear without a test kit 🙂

            If he acts normally when you’re not around then it’s certain that it’s either a trait of character (unlikely because you said he acted cool in the beginning) or stress (very likely).

  7. My daughters Betta is staying at the bottom of the tank. She’s moving around the bottom bits at a time but I have yet to see her at the top (not even to eat). She was always swimming to the button in her cup when we got her but this is starting to be concerning. Any suggestions? I’m a newbie when it comes to fish.

  8. Hello! I’m pretty sure my Betta has SBD, but I’m still not positive. I have the bettaflo 3.5 gallon tank that contains a filter. And also a water heater! These last 48 hours, he has spent at the bottom. Or floating. Or swimming the the top and slowly floating to the bottom. And then sometimes he’s breathing heavy. My question is, how can you tell if the stomach is bloated? I have another betta in my classroom (same tank and heater) and he is GREAT. This one at home is totally different!

  9. Hi! My betta has been recently laying on the bottom under a plant. I figured that he is napping. I have watched him though and every 10 or 15 mins he comes up to the top for air and then goes right back to his spot. He has been eating and swimming ok. Any suggestions? Thanks so much!

  10. My male Betta has been sitting on the bottom of the tank, only coming up a few times for food and air but coming back down. A few times he has laid down on his sides which makes me think he’s dead. He has been losing his color and his fins are rotting. I can’t think of any other disease besides swim bladder, but I do know he is sick for sure. He has a 3 gallon tank and filter. I’m thinking of purchasing live plants because I heard it’s very beneficial for them. I really care for my fish and want him to be as happy and healthy as possible

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