>>5211655sroch flym feed upon the rotten old seeds and failed sprouts that have come too the waterline, they extend there time under the water with soggy cardiovascular fluid filled wings never pumping up and hardened fanned by wingcases to absorb minute amounts of oxygen out of the water, there spiracles stuffed with bristles keeping the water at bay mostly preventing them from drowning but both working on the principle of osmosis too replace air as there exhalations diffuse into the water around them they are not small or efficient enough too be fully aquatic small labored "breaths" for survival