The fate of Listeria monocytogenes and Aeromonas hydrophila on packaged channel catfish fillets stored at 4°C was determined. Fish fillets were inoculated with L. monocytogenes or A. hydrophila or both and packaged by film overwrapping or vacuum skin packaging. They were stored at 4°C for 16 d. The L. monocytogenes population did not increase on the samples while the A. hydrophila population increased from 3 log CFU/cm on day 1 to 6 log CFU/cm on day 16 with a faster growth rate on overwrapped packaged fillets. Inoculation of both bacteria on the product markedly suppressed each other's growth.
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