Beta one and only requests to lay at bottom of cistern and solely swims around every once and awhile 4 approximately 4 days, prob is?
its eating, but not much.
Is the tank 2.5 gallons or greater?
Is the tank heated to around 78F - 80F?
Is near a slow flowing sponge filter?
Is the tank cleaned once - twice a week?
Is there a variety of foods?
How habitually do you feed your betta and how much?
Do you soak dried food before serving it to your Betta?
Have you checked the ammonia/nitrite/nitrate levels surrounded by your tank?