Just an aging stripe nothing to worry about. Very common! Most of my older shrimps have the stripe on their back.
What you do need to worry about is if you see the “white ring of death”. Then that means a molting issues but you can’t miss it, it’s a literal white ring close to their heads.
ku1per 
that normal dont worry buddy
Just an aging stripe nothing to worry about. Very common! Most of my older shrimps have the stripe on their back.
What you do need to worry about is if you see the “white ring of death”. Then that means a molting issues but you can’t miss it, it’s a literal white ring close to their heads.