i have posted question on here alot lately..lol..sorry to keep bugging everybody..but i have another question..can damsel fish get ich? cause i think one of mine has something ..i have just noticed it acting funny today..it will chase one of the other damsels and then it goes over to the filter tube that's down in the water and starts scratching itself against it like a fish with ich does...does this meen he has it? and if so how do i treat it? do i use the same meds.for FW fish?