RE: NANFA-- Snapping Sound, Redhorses

Jay DeLong (
Wed, 8 Aug 2001 11:18:25 -0700

> Thanks for the responses. Here's my wild, off-the-cuff theories -- They
> use the loud noise to frighten invertebrates out of their hiding places
> then snatch them up as they are fleeing.

I'd think their invertebrate food wouldn't benefit by fleeing away from
cover. Maybe the popping has a concussive effect that stuns their food so
that it floats away from cover.

Jay DeLong
Olympia, WA, USA
"If the biota, in the course of aeons, has built something we like but do
not understand, then who but a fool would discard seemingly useless parts?
To keep every cog and wheel is the first precaution of intelligent
~ Aldo Leopold (1953)

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