Rangersedge, a few topics down in this category is a thread called "My Catfish Spawned."

I think Dudley L. gives a description of some traps he made from plastic trash cans with a good bit of success.

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."