What size is your tank? 50L
What temperature is your tank? 26C
Does your tank have a filter? Yes
Does your tank have an air stone or other type of aeration? Space for breathing, filter brings aeration too
Is your tank heated? yes
What tank mates does your betta fish live with? Just him. And a few pond snails :L
What type of food do you feed your betta fish? Brine shrimp and Tetra's Betta Tropical medley
How often do you feed your betta fish? once a night
How often do you perform a water change? once a week or every two depending on if I have the time
What percentage of the water do you change when you perform a water change? 50% or 25% depending on how much time I have available
What type of additives do you add to the water when you perform a water change? Water conditioner
Have you tested your water? If so, what are the following parameters? yes
pH:5.5 (i know i know..)
Symptoms and Treatment
How has your betta fish's appearance changed? Just his dorsal fin looks "thin"? If that's how you describe it and falls to the side of his body and curls a tad. It looks really long now.
How has your betta fish's behavior changed? Not at all. He is very very active, always swimming, doing tricks, hiding etc.
When did you start noticing the symptoms? Just in the few past days.
Have you started treating your fish? If so, how? No, I don't know what it is.
Does your fish have any history of being ill? He had a very minor minor cotton tail case but it was gone within the same day. Water had been changed.
How old is your fish (approximately)? I'm not exactly sure but I've had him for around six months.