how long can you keep raw trout in the fridge
1 Once home, the fish is quickly cleaned and stored in the fridge for eating the following evening (or frozen but allowing 1 day to defrost in the fridge). 2  6 hours at 15&deg C is equivalent to 36 hours at 0&deg C (6 x 6 hours). Once home, the fish is quickly cleaned and stored in the fridge for eating the following evening (or frozen but allowing 1 day to defrost in the fridge). 2  6 hours at 15&deg C is equivalent to 36 hours at 0&deg C (6 x 6 hours).