Like everyone already said, 4 days is nothing. All the tigs I have raised have had no problems switching to shrimp. Just give it more time, they are not real fussy eaters.
TLkmDN;1629481; said:dude 4 days is nothing..my TSNs survived MONTHS without food....although u usually wont have to wait thattttt long..for my other catfish it took about 1-2 weeks AT LEAST! even then, they didnt really gobble the dead food until 1 month into the change of diet....good luck! dont give up! a healthy fish will NEVERRRR starve themselves...