Oh, I see what you meanMosdefenate;3368959; said:i was asking because of their size if they would be able to tackle a whole one down.
FSM;3371221; said:I've read about biological magnification, where toxins build up in higher levels of the food chain, but is there actually any data that shows worms that come from a yard treated with pesticides can potentially have detrimental effects on fish they're fed to?
Unless you feed them very often, I doubt it's anything to worry about.