It should also be noted that it was usually only the frigates which took prizes; the ships of the line were far too ponderous to be able to chase and capture the smaller ships which generally carried treasure. Nelson always bemoaned that he had done badly out of prize money and even as a flag officer received little. This was not that he had a bad command of captains but rather that British mastery of the seas was so complete that few enemy ships dared to sail.