Tank What is the water volume of the tank? One gallon Does it have a filter? No Does it have a heater? No What is the water temperature? I’m not really sure, but it was 70 when I checked a while ago. What is the entire stocking of this tank? Just one Betta. Maintenance How often do you change the water? Every two weeks. How much of the water do you change? 25% What do you use to treat your water? API Splended Water Betta conditioner. Do you vacuum the substrate or just the water? The water. Parameters Did you cycle your tank before adding fish? Yes. What do you use to test the water? Currently, haven’t. What are your parameters? We need the exact numbers, not just “fine” or “safe”. Ammonia: Nitrite: Nitrate: pH: I.. wish I could test. Feeding How often do you feed your fish? About twice a day, two soaked pellets, and on weekends a fast. What brand of food do you feed your fish? Biogold Betta pellets. Do you feed frozen or freeze-dried foods? No. Illness & Symptoms: How long have you had this fish? Less than a week. How long ago did you first notice these symptoms? Almost immediately. In a few words, (more room for details below) what are the symptoms? He is very, very lethargic. He doesn’t move and stays at the bottom of the tank. I noticed he got excited when I put in a moss ball, but I also noticed a horizontal stripe that was not there the day before. Have you started any treatment for the illness? I have no idea what’s wrong. Was your fish physically ill or injured upon purchase? He was also lethargic, though I didn’t buy him. How has its behavior and appearance changed, if at all? Only the stripe. It’s bright red and slightly difficult to get a photo of. it doesn’t look like a normal stress stripe.