On Fri, 30 Dec 2011 08:29:24 -0800 (PST), AJames
wrote:

what could they be eating?

dragonfly and mayfly nymphs .. water boatmen and other beetles ..
maybe even snails..

IIRC they eat lots of different things..

(see the group isn't dead yet, but a lot has changed since I was last
here 5 years ago..(and sadly some things are still the same))

One of the things we did was create rec.ponds.moderated. It has been very
quiet of late. Hard to compete with forums like koiphen that allow pictures
and many turned to such groups, when this group was over taken by trolls
and those who couldn't resist poking them. :-/
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Zone 7a, SE Washington State
Ponds: www.jjspond.us