Re: NANFA-- tadpole madtoms looking amarous.

Bob Bock (bockhouse_at_earthlink.net)
Fri, 27 Feb 2004 18:46:41 -0500

Around here, they're all confined to the Atlantic Coastal Plain, which tends
to be soft and acidic. I've never found them in the limesone creeks above
the fall line--or anywhere above the fall line. I've always assumed they
were an acid water species.

Perhaps they're limited to the Coastal Plain for some other reason that I
don't know about.
----- Original Message -----
From: "Todd Crail" <farmertodd_at_buckeye-express.com>
To: <nanfa_at_aquaria.net>
Sent: Wednesday, February 25, 2004 8:24 PM
Subject: Re: NANFA-- tadpole madtoms looking amarous.

> Thanks for the heads up Bob. The progression of glaciers have scraped
away
> the layers of deposits down to the Permian and Devonian shallow sea
> limestone deposits in the Maumee watershed. So this genotype is from
water
> that has a pH of 8.0 - 8.2, depending on how much farm field is in the
water
> :)
>
> I'm not sure about adjoining watersheds tho. I know there's piles of them
> in Sandusky and Ottawa counties to the east, but in my limited samplings
> there searching for Ohio's last populations of F. diaphanus menona, we
were
> crunching around stuff that put the pHun in Fens. Don't know what you
call
> that type of bristly rock, but it was cool. Different habitat truly, but
> the ditches and bays where it was described to find the madtoms were on
the
> same watersource, so I don't know that it could be much different unless
> they're in REALLY silted back areas with a ton of decomposition.
>
> It will be interesting to spend a little more time out that way this next
> season. We had a lot of fun at East Harbor, just to the north on the
> lake... I'd like to see more of Sandusky county. Yes, that's a heads up
> Ohio people... The ice is going bye bye! :)
>
> ----- Original Message -----
> From: "Bob Bock" <bockhouse_at_earthlink.net>
> To: <nanfa_at_aquaria.net>
> Sent: Wednesday, February 25, 2004 7:56 PM
> Subject: Re: NANFA-- tadpole madtoms looking amarous.
>
>
> > Don't know if this has any bearing on your tadpole madtoms, Todd, but
the
> > tadpole madtoms on the Eastern Shore are all found in acid water
streams.
> I
> > don't know if limestone in their tank would interfere with egg
development
> > or fry hatching.

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