FoodStorageCheck

How long does fresh whole lobster (live) keep from purchase in the refrigerator?

Official USDA FoodKeeper guidance for one exact storage condition

RefrigeratorFrom the purchase date

1 day

This is storage guidance from the cited FoodKeeper record, not a guarantee that food remains safe through the final day.

Refrigerator at or below 40 °F (4 °C)

Answer basis

Food
Fresh whole lobster
Preparation or package state
live
Storage
Refrigerator
Timing
From the purchase date
Source field
DOP_Refrigerate

It is not safe to cook and eat a whole lobster if it is dead at the time of preparation.

Source: USDA FSIS FoodKeeper Data, data version 128.

See every listed condition for fresh whole lobster