What size is your tank? 8 gal
What temperature is your tank? 79F/26C
Does your tank have a filter? Yes, baffled
Does your tank have an air stone or other type of aeration? No
Is your tank heated? Yes
What tank mates does your betta fish live with? None
What type of food do you feed your betta fish? Aqueon Betta Food pellets
How often do you feed your betta fish? Once a day, only as much as he can eat
How often do you perform a water change? Normally once a week, now more often due to ammonia problems.
What percentage of the water do you change when you perform a water change? 20%
What type of additives do you add to the water when you perform a water change? Stress Coat (Claims to dechlorinate), Tetra FloraPride
Have you tested your water? If so, what are the following parameters?
Bringing a cup to LFS to get it tested later today.
Symptoms and Treatment
How has your betta fish's appearance changed? Tail has split; noticed small pinholes develop into larger ones and now it's split all the way down.
How has your betta fish's behavior changed? He's sitting at the bottom and every so often darting around erratically, brushing the sides of his tank; he returns to the spot once done darting.
When did you start noticing the symptoms? This morning. Noticed tail splitting earlier.
Have you started treating your fish? If so, how? 10% water change. Planning on doing this every day.
Does your fish have any history of being ill? No.
How old is your fish (approximately)? Owned for 6 1/2 months, so 1 1/2 years old?