The immigrants packed in the small overcrowded boat trying to reach Europe came from Ghana, Mali, Togo and Gambia as well as Pakistan, the navy said in a statement.
A helicopter dropped life jackets to the stranded migrants while the navy dispatched one of its patrol boats to pick up the men. It also ordered a cargo ship to the area to help in the rescue.
The Italian government has launched a major operation called "Mare Nostrum", mobilising warships, amphibious vessels and aircraft to try prevent further tragedies like the two shipwrecks in October in which more than 400 immigrants died.
More than 33,000 migrants had landed in Italy as of late October – nearly three times more than the number for 2012. Most come from impoverished African countries but now also from Syria.