What is this?

[zain611]

Hey guys, I've recently noticed this thing or creature on the tank glass. Only way I can describe it as an underside of a snail. It looks to move as I see it in different places.

Thanks.

 

[DoubleDutch]

Hey guys, I've recently noticed this thing or creature on the tank glass. Only way I can describe it as an underside of a snail. It looks to move as I see it in different places.

Thanks.

Planaria ?

No Cory no glory

 

[zain611]

Hmm could be. They are circler.