Radio program "Top of Mind", August 10, July Rise (BYU Radio) interviews our colleague Andy Green. How do fish end up in remote, isolated crater lakes or desert lakes or wetland ponds that pop up temporarily in farm fields during the rainy season? These bodies of water are totally landlocked; fish should not be there and that's long baffled biologists. One thing we can say for sure: the fish aren't flying to there. Except, maybe they are? (from minute 52:49)