What is this lump on my Cory?

[Sgooosh]

hello.
my cory seems to have developed this lump..
what is it and how do i treat it?
It was not there when i purchased it

 

[Sgooosh]

I've read that it could be a fat deposit...
that might be the case because the only thing i have been feeding them was omega one shrimp pellets. I fed them brine shrimp two days ago

 

[DoubleDutch]

I've read that it could be a fat deposit...
that might be the case because the only thing i have been feeding them was omega one shrimp pellets. I fed them brine shrimp two days ago

That's not the place these deposits occure.

The vid is quite short

 

[Sgooosh]

That's not the place these deposits occure.

The vid is quite short

I will get a better video when I get home