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Discussion Starter · #1 ·
Hi I have a divided betta tank, it is a 5 gallon with two adult male bettas. I just happened to notice that the one the left side is a bit lazy :/ He seems comfy but he always stays by the divider and by the heater(the heater is on his side of the tank). I was wondering if this may be a sign of an illness?

What size is your tank? 5gal
What temperature is your tank? 74-76 degrees
Does your tank have a filter? Yes
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? 2 bettas in a divided tank.

What type of food do you feed your betta fish? Tetra Betta floating mini pellets
How often do you feed your betta fish? 3 times a day, 2 per time.


How often do you perform a water change? 2 times a week
What percentage of the water do you change when you perform a water change? 50%
What type of additives do you add to the water when you perform a water change? BettaSafe

Water Parameters:
Have you tested your water? If so, what are the following parameters? No I haven't.


Symptoms and Treatment
How has your betta fish's appearance changed? None whatsoever
How has your betta fish's behavior changed? Has been lazy lately.
When did you start noticing the symptoms? A few weeks 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 have no idea

10,781 Posts
Is his breathing okay? Does he eat? Can he swim all right? Like, he's not spending all his time on the bottom of the tank, is he?
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