Re: NANFA-- Freckled Madtom observations

Bob Bock (bockhouse_at_earthlink.net)
Sun, 13 Jan 2002 13:50:22 -0500

I forgot to add--these were margined and tadpole madtoms.
----- Original Message -----
From: "Bob Bock" <bockhouse_at_earthlink.net>
To: <nanfa_at_aquaria.net>
Sent: Sunday, January 13, 2002 1:47 PM
Subject: Re: NANFA-- Freckled Madtom observations

> On the Eastern shore of Maryland, I've found them in the feathery
> projections of streamside tree roots where the soil had been washed away
> from the stream bank.
> ----- Original Message -----
> From: "Denkhaus, Robert" <DenkhaR_at_Ci.Fort-Worth.TX.US>
> To: <nanfa_at_aquaria.net>
> Sent: Sunday, January 13, 2002 10:37 AM
> Subject: RE: NANFA-- Freckled Madtom observations
>
>
> > The idea that this behavior is more common in adults than in juveniles
> could
> > mean that my techniques for looking for adult madtoms down among the
> > detritus and other substrate materials may be all wrong. Maybe I should
> be
> > hitting higher up in the vegetation! So, vertically speaking, where
does
> > everyone find their madtoms? The young of the year that I have been
> rearing
> > all originally came from out of a dense layer of decaying cottonwood,
> > sycamore, and oak leaves in about a foot of water. No submerged or
> emergent
> > vegetation was present. As I think about this though I remember
catching
> a
> > few adults years ago amongst a dense stand of lotus while trying to
catch
> > dragonfly nymphs.
> >
> > Rob Denkhaus
> > Fort Worth Nature Center & Refuge
> >
> > > -----Original Message-----
> > > From: Edward Venn
> > > Sent: Saturday, January 12, 2002 10:54 PM
> > > To: nanfa_at_aquaria.net
> > > Subject: Re: NANFA-- Freckled Madtom observations
> > >
> > >
> > > Bruce,
> > >
> > > Is this found only in adults or do juveniles exhibit the same
> > > behaviour?
> > > Could this behaviour related to the onset of breeding as in
> > > the catfish
> > > found in Japan?
> > > >
> > > >Rob, I've had the same behavior from my tadpole madtoms.
> > > The more dense
> > > >the
> > > >foliage, the more likely for them to exhibit this behavior.
> > > If you have
> > > >both
> > > >bottom cover & a dense growth of plants, madtoms will occupy both.
> > > >
> > > >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