20 Gallon Tank Sick betta?

je0409

I've had this betta for just a couple weeks and there are some things that concern me. First, is his head. He has these red spots on his head and I can't tell if it's discoloration on his scales of if he's missing scales. I can't remember if he looked like this when I got him, but I just noticed it about a week ago. I'll attach photos. Could this be some kind of disease that I should be worried about? Second, he seems to just stay on one side of the tank, at the bottom, right beside the glass. Sometimes he just stays in one place but most of the time he paces back and forth along the glass. I can't tell if he's just guarding because he sees his reflection or if he's rubbing up against the glass because of some parasite or illness. He's my first fish so I don't know much. He's in a 20 gallon with live plants and five snails. He eats fine. I did have a pretty bad nitrate spike the other day because I accidentally left some uneatten food in the tank, so I don't know if that could have anything to do with it. Thanks in advance!!
 

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StarGirl

First I would try turning the HOB down if possible. There may be too much current for him and he doesnt like it.

The red spots almost just look like coloring to me. Maybe someone else can see something else.

Is he like flicking at the deco and bottom at all?
 

je0409

First I would try turning the HOB down if possible. There may be too much current for him and he doesnt like it.

The red spots almost just look like coloring to me. Maybe someone else can see something else.

Is he like flicking at the deco and bottom at all?
I don't think that's it because I have it turned all the way down and it has a prefilter sponge on it. It's basically a small trickle. Can you elaborate on what you mean by flicking?
 

StarGirl

Like rubbing or flinching on the rocks and stuff. Like a quick flick.
 

je0409

Like rubbing or flinching on the rocks and stuff. Like a quick flick.
this is what he does all day outside of feeding time. when he knows i'm about to feed him he comes to the front of the tank and has no problem going all around to chase food. he doesn't interact with the decor or substrate at all outside of going into his little house every now and then
 

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