This tiny octopuses are called Caribbean pygmy octopuses, and these two have recently hatched at the Florida Aquarium. These tiny things are nocturnal as to avoid becoming the meal of larger animals. - See more at: http://www.awesomelycute.com/2014/04/the-cutest-and-tinest-octopus-youll-see/#sthash.gDT3urvv.dpuf