Well,it's not cottony like fungus. It looks like poop but it's just staying there.
Housing
What size is your tank? 20 gallons
What temperature is your tank? 81 F
Does your tank have a filter?Yes, Tetra whisper 20 (power filter)
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? 4 neon tetras, 1 of which have Neon Tetra Disease, and 1 baby albino bristlenose pleco
Food
What type of
food
do you feed your betta fish?Omega One pellets, with freeze dried bloodworms, Daphnia or Mysis once a week. She also eats some of the Tetra fish flakes that the Neons get.
How often do you feed your betta fish? Once a day, 2 pellets
Maintenance
How often do you perform a water change? once a week
What percentage of the water do you change when you perform a water change? 2 1/2 gallons, plus evaporation
What type of additives do you add to the water when you perform a water change? Aqueon Water conditioner
Water Parameters:
Have you tested your water? If so, what are the following parameters?
Ammonia:
Nitrite:
Nitrate:
pH:
Hardness:
Alkalinity:
Symptoms and Treatment
How has your betta fish's appearance changed?White blob on her vent, looks like poop, but it's not doing anything. None of the other fish have it.
How has your betta fish's behavior changed? N/A
When did you start noticing the symptoms? A month or two ago
Have you started treating your fish? If so, how? No
Does your fish have any history of being ill? No
How old is your fish (approximately)? I got her 7 months ago from Petco.