"Some people seem surprised that I don't keep fish in the large aquarium in my home. Instead I have mud and debris, plants, insect larvae, beetles, hydras, scuds, crawdads...and leeches. I collected all these goodies from ponds and sloughs in the area. This fall, I noticed that one of the leeches, a good-sized sucker, was clinging to the side of the aquarium, out of the water. I wondered if it was trying to escape to find a winter home in less soggy mud. To find out, I went to the library and came back with a three-volume set of books all about leeches.