The only disease I have had w/my bettas is "sulk": that is, they become lethargic, retreat to the bottom of the tank and refuse to eat; absolutely no other symptoms. While most recover, I lost one fish 5 weeks ago. She was fine but was staying at the bottom of the tank. The next day, she was dead & being ripped apart. Now, Flake, my gorgeous white HM, has come down with it. She didn't come to breakfast this morning. She was simply sitting on the bottom back of the tank, occasionally coming up for air. I pulled her immediately. She's sitting in a heated "Critter Keeper" (she doesn't have to go far for air). I've put in some Stress Zyme & Betta Spa.
Any other treatments would be GREATLY appreciated; she's one of my favs.
What size is your tank? 29 Gal
What temperature is your tank? 80ish
Does your tank have a filter? Yes
Does your tank have an air stone or other type of aeration? Yes
Is your tank heated? Yes
What tank mates does your betta fish live with? 8 female bettas & 1 otto catfish; a few ramshorm snails. All tank mates are 100%.
What type of food do you feed your betta fish? Everything betta (Flake or pellet 1x, treat (live, frozen or freeze dried treat for dinner)
How often do you feed your betta fish? 2x per day
How often do you perform a water change? 1x per week
What percentage of the water do you change when you perform a water change? 15%
What type of additives do you add to the water when you perform a water change? Prime
Have you tested your water? If so, what are the following parameters?
Ammonia: safe according to liquid kit
Alkalinity: not sure
Symptoms and Treatment
How has your betta fish's appearance changed? Not at all
How has your betta fish's behavior changed? Sulks @ bottom of tank; refuses food
When did you start noticing the symptoms? Yesterday (Thurs. 3/21/13)
Have you started treating your fish? If so, how? Isolation tank w/ heater; offered dried daphnia
Does your fish have any history of being ill? No
How old is your fish (approximately)? 6 mos.
P.S, I've had several fish "snap out of it" w/ no treatment, and have lost 3 over January with it. I've torn the tank down 100% after the deaths.