The research was to estimate the shelf life of catfish macaroni packed in High Density Polyethylene (HDPE) and aluminium foil. Catfish weighing 200 gr each were taken from a fish market in Pekanbaru. About 800 gr fish macaroni was prepared and the products was packed respectively in High Density Polyethylene (HDPE) and aluminium foil and stored at in room temperature for 42 days. The product wa…