What size is your tank? 10 G
What temperature is your tank? 78f
Does your tank have a filter? Yes
Does your tank have an air stone or other type of aeration? filter only
Is your tank heated? Yes
What tank mates does your betta fish live with? 1-2 Oto's
What type of food do you feed your betta fish? Pellet
How often do you feed your betta fish? 1-2 every 1-2 days, depending on how he looks.
How often do you perform a water change? This was first in 3 weeks, I know they need more frequent, but I was out for a surgery and couldn't get a fish sitter.
What percentage of the water do you change when you perform a water change? 60-70
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? No
Symptoms and Treatment
How has your betta fish's appearance changed? Yes, since last night when I performed the water change, he's developed an open wound, with white fuzzy stuff. Before, had an odd bump on other side.
How has your betta fish's behavior changed? Yes, he's clearly not feeling well. The person who was feeding him while I was out over fed. I gave him peas, which helped him clear out, and he was feeling better...till yesterday's water change.
When did you start noticing the symptoms? Today
Have you started treating your fish? If so, how?
Does your fish have any history of being ill? No
How old is your fish (approximately)? I have had him for 1.5 years.