barb not eating and im worried

[shark shak]

ok i posted a thread on this before but now im really worried.i bought 3 tinfoil barbs a while ago and there all eating fine except one.ive tried feeding him two types of food(tetra flake-normal and brine shrimp) he still wont eat.is he sick or is it possible he is still sick from the ride home from the store,or hes a very picky eater like me.please help im a worried beginner.

 

[lostnconfused]

there could be allot of reasons. I doubt its because he's a picky eater...lol. This kinda goes back to your other question "should i test my water" if you do, this might answer the "barb not eating" question! good luck! How often do you change your water, and how much?