Nick Zarlinga
Aquarium Biologist
Cleveland Metroparks Zoo
216.661.6500 ext 4485
><)> -----Original Message-----
><)> From: owner-nanfa_at_aquaria.net
><)> On Behalf
><)> Of BR0630_at_aol.com
><)> Sent: Wednesday, August 20, 2003 6:16 PM
><)> To: nanfa_at_aquaria.net
><)> Subject: Re: NANFA-- crawfish
><)>
><)>
><)> In a message dated 8/20/03 3:09:55 PM Mountain
><)> Daylight Time,
><)> michiganfish_at_wideopenwest.com writes:
><)>
><)> > Can anyone tell me how to catch crawfish urt of
><)> their chimneys (burrows)?
><)> >
><)> > Bob Muller
><)> >
><)>
><)> I use a really crude, Neanderthal man sort of
><)> method. I remove the chimney,
><)> then I dig the top of their hole out big enough
><)> that I can put my hand with my
><)> fingers squeezed together into the hole as far as
><)> possible and then I pull my
><)> hand out suddenly. This creates a suciton action
><)> and either all of the
><)> commotion it makes or the change in pressure seems
><)> to cause at least half of the
><)> crawfish to come to the surface of their hole to
><)> investigate. Generally, I make
><)> a little shelf, if possible, at the top of the
><)> water column in their hole, so
><)> when they come to the surface [usually, all you'll
><)> see are their antanae] it
><)> gives me a place to get my hand to pin them down.
><)> Often, if you only get
><)> their pinchers in your grasp, they will shuck them
><)> and you're left with pinchers
><)> but no crawfish. It takes patience, sometimes
><)> maybe even a couple of minutes,
><)> although most of the time they appear within 30-40
><)> seconds if they're inclined
><)> to being curious. Hope this helps.
><)>
><)> Bruce Scott
><)> Meridian, Idaho
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/-----------------------------------------------------------------------------
/"Unless stated otherwise, comments made on this list do not necessarily
/ reflect the beliefs or goals of the North American Native Fishes
/ Association"
/ This is the discussion list of the North American Native Fishes Association
/ nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word
/ subscribe, unsubscribe, or help in the body (not subject) of an email to
/ nanfa-request_at_aquaria.net. For a digest version, send the command to
/ nanfa-digest-request_at_aquaria.net instead.
/ For more information about NANFA, visit our web page, http://www.nanfa.org