Originally Posted by esshup
The nice thing about fishing with electricity is that you can net fish out that you wouldn't otherwise catch on hook and line.


Exactly.

And if you are not bringing up any fish, then there's no diagnostic value, assuming you do indeed have fish in your pond.

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."