The smallest ones are called "chickens," and they weigh in at 1 pound, which is the minimum size to legally harvest a lobster. Larger chickens are "quarter" and "half" lobsters, which are ...
If after 10 minutes, they're not all red, keep checking back every 5 minutes or so until all the lobster is completely bright red.” For boiling, shoot for 5 to 6 minutes for a 1-pound lobster.