Help stressed out blood copycat fish?

one of my blood parrots seem really stressed out lately he/she has be a bit pale nd getting some black marks on his fins. i kno hes stressed but i kno its not the water, im pretty certain its not caus hes bein bullied since he/she huddles with all the other fish all the time. theres 5 mimic fish and some of them a bit larger then others. all of them are really shy but this one in finicky since i look at it nd it emmidiately starts shakin up like crazy. he/she is really small probably the smallest since it doesnt get as much food as the others. i just get all of em around the end of summer nd theyre all shy purely this one in particular is stressed out, nd scared nd so shy. i dont kno wat to do how can i trademark him/her relax? is it okay to use some marine salt since it calms fish down? stress coat? something?!
How heaps mollies surrounded by a 20...
Answers:    How substantial is the tank? How large are the fish. If the fish are in too small a cistern then it could be the water. Are you giving a complete diet or could here be something missing in the diet? Make sure to bestow a good variety of foods to your fish so that what one lacks the others will make up .And yes at feed time if the one is not getting enough food then that could be cause it to be more stressed. I would consider getting a quarantine tank to keep it in for a while where on earth it will not have to compete with others for food. Make sure that the container is large enough for the fish.
Does a floating moss bubble produce a fish reservoir cloudy?   Can anyone bequeath me an guidance nearly betas?   Is it obligatory to own an algae eater. My finishing pleco died. Tank 3 weeks into cycling.?   How to put in the picture whether assessment utensils works?