how old lobster
Generally Lobsters live to about 40 or 50 years. Lobsters living to the age of 100 is not uncommon. George the lobster (20 lbs) has been recorded at 140 years old. Guinness book of world records measured a lobster at 44.4 pounds which could have been far older. <br /><br /> It takes approximately seven years (depending on the water temperature) for a lobster to grow to legal harvesting size (1-1 1/4 lb.).