Re: NANFA-- Freshwater/brackish

njz (njz_at_clevelandmetroparks.com)
Sat, 19 Oct 2002 18:14:54 -0400

> weren't present. The adults can survive but are reproductively
incompetent.
> I should have fleshed out my original thought, oh well...

It was just an fyi that they can tolerate high salinities, however I am sure
they don't like it.

Nick Zarlinga

"If we ignore nature.....maybe it'll go away."

----- Original Message -----
From: "Bruce Stallsmith" <fundulus_at_hotmail.com>
To: <nanfa_at_aquaria.net>
Sent: Saturday, October 19, 2002 9:29 AM
Subject: Re: NANFA-- Freshwater/brackish

> I believe ya, Nick. But they won't reproduce and I'd bet that their
lifespan
> is reduced. I've found bluegills living in freshwater ponds on barrier
> islands in Virginia in water of 1 ppt salinity. In ponds with 4-5 ppt,
they
> weren't present. The adults can survive but are reproductively
incompetent.
> I should have fleshed out my original thought, oh well...
>
> --Bruce Stallsmith
> Huntsville, AL, US of A
>
> >From: "njz" <njz_at_clevelandmetroparks.com>
> >Reply-To: nanfa_at_aquaria.net
> >To: <nanfa_at_aquaria.net>
> >Subject: Re: NANFA-- Freshwater/brackish
> >Date: Sat, 19 Oct 2002 01:50:23 -0400
> >
> >I currently have bluegill and golden shiners at 11ppt NaCl.
> >
> >Nick Zarlinga
> >
> >
> >"If we ignore nature.....maybe it'll go away."
> >
> >
> >----- Original Message -----
> >From: "Bruce Stallsmith" <fundulus_at_hotmail.com>
> >To: <nanfa_at_aquaria.net>
> >Sent: Friday, October 18, 2002 8:29 AM
> >Subject: Re: NANFA-- Freshwater/brackish
> >
> >
> > > --Bruce Stallsmith
> > > Huntsville, AL, US of A
> > >
> > >
> > > The difference can be very small; for instance, many freshwater fishes
> >like
> > > sunfish and shiners can't tolerate more than 2 ppt salinity (or 1.002
> > > specific gravity, approximately). But different people will tell you
> > > different cutoffs, depending on what processes or organisms you're
> >dealing
> > > with.
> > >
> > > --Bruce Stallsmith
> > > Huntsville, AL, US of A

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