Why is my betta fish inactive and just sitting at the bottom?

Cold water can affect activity in fish. Bettas are tropical fish and do best between 78 F and 80 F. Check the water chemistry also. You can use a home test kit, such as the API Master Kit, or submit a water sample for testing. The local Petco may do this for free or for a small fee. Aim for an absence (0 ppm) of ammonia and nitrites with nitrates at 20ppm or less. Perform a partial water change if necessary to stabilize chemistry and/or to improve water quality. Use only conditioned water that is temperature matched to prevent stress or shock. Diet can influence color, so it is possible this is partly to blame for the color change. There are diets that can be fed to enhance colors.

Bettas are tropical fish and do best in water between 78 F and 80 F. A heater is typically required to maintain stable temperature. Rapid fluctuations in temp can be stressful. You should also check the water quality and chemistry. Poor water quality can cause the symptoms described. Filtration and regular partial water changes are necessary to keep a tank clean.

The first thing that needs to be done is a water quality analysis. If you don't have a test kit, most pet stores sell a basic test kit that measures pH, ammonia, nitrite and nitrate. If any of those are amiss, correct that problem. Laying on the bottom of the tank is often a sign of swim bladder disease. This could be an infection, fluid accumulation or a mass pressing on the swim bladder. All of these create a situation where the swim bladder can not contain air, that allows them to control their buoyancy in the water column. The best treatment for this is seek assistance at a veterinary clinic with experience with fish, and have systemic antibiotics prescribed. A radiographs would be helpful in diagnosis. A good fish veterinarian would probably be able to aspirate the swim bladder and collect a sample for diagnosis. The majority of antibiotics available for fish over-the-counter are not good for internal infections and could possibly make things worse. Good luck.

Check the water temperature first. Bettas are tropical fish and do best between 78 F and 80 F. Next, check water quality. This can be done by using a home test kit or by submitting a water sample for testing. The local pet store may do this for free or for a small fee. Aim for an absence ( 0 ppm) of ammonia and nitrites with nitrates at 20 ppm or less. Perform partial water changes if necessary. Use only conditioned water that is temperature matched to prevent stress or shock. Offer an appropriate diet as well. Bettas are carnivorous, so make sure the flake or pellet is not mainly vegetable matter. Hikari makes a great Betta diet in pellet form. You can also offer blood worms, shrimp or Daphnia to add variety to the diet.

He is "old" for a Betta. Check the water chemistry and temperature. You can use a home test kit or submit a water sample for testing. The local Petco may do this for free or for a small fee. Aim for an absence (0 ppm) of ammonia and nitrites with nitrates at 20ppm or less. Perform partial water changes to stabilize chemistry and/or to improve water quality. Use only conditioned water that is temperature matched to prevent stress or shock. Bettas do best between 78 F and 80 F. The cloudy eyes may be due to infection. Maintaining pristine water quality will help, but you may need a broad spectrum antibiotic as well. Look in the aquarium section of the local Petco for medication. Follow label directions carefully and remove the carbon filter insert during treatment if indicated. Even with treatment, there may be permanent damage to the eyes if the condition has been chronic. The "laying down" is sometimes seen even in healthy fish. They may choose to lay on gravel or the broad leaf of a plant. It may also indicate infection or injury though. If hebisbhavibg difficulty reaching the surface, decrease the water level to make it easier. Bettas need to surface occasionally to get some air.

Check the water temperature. Bettas do best between 78 F and 80 F. Low temps can affect activity in fish. Afterwards, check water chemistry. Use a home test kit or submit a water sample for testing. The local pet store may do this for free or for a small fee. Aim for an absence ( 0 ppm ) of ammonia and nitrites with nitrates at 20 ppm or less. Keep pH as close to 7 (neutral) as possible. Perform a partial water change if necessary to stabilize and/or to improve water quality. This may improve Blue's condition. If not, you may need to treat for infection using a broad spectrum antibiotic. Bacterial infections can affect eyesight. You can find an antibiotic in the aquarium section of the local pet store. Follow label directions carefully and remove the carbon filter insert during treatment if indicated.

Bettas may hibernate or stay at the bottom of the tank if they are stressed or too cold. Making sure your filter is working properly and the tank is at the right temperature of 70-75 degrees F may help. Checking for any signs of illness and testing the water can also help clue you in to any issues. It would be best to make sure Kira is feeling well first before the stress of adding her to a new tank with a tank mate.