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"Norm Edelen & Lisa Hayashi" <normane at hevanet_com>: Re: NANFA-- Re: Sneegas' aluminum can observation
--------- Begin forwarded message ----------
From: "Norm Edelen & Lisa Hayashi" <normane at hevanet_com>
To: <nanfa at aquaria_net>
Subject: Re: NANFA-- Re: Sneegas' aluminum can observation
Date: Thu, 19 Jun 1997 08:23:57 -0700
Message-ID: <m0wej33-000VPqC at vista_hevanet.com>
Hello all,
I have seen illustrated a trap for madtoms and young bullheads that
involved tying twine to the pull-top ring of empty cans such as beer and
soda cans. The cans are then thrown into the water and staked to the
shore. If the cans are undisturbed for a couple of nights, it is likely
one of the catfish will have moved into a can. I have tried this and
found
it works.
Norm
----------
From: Jay DeLong <jdelong at nwifc_wa.gov>
To: nanfa at aquaria_net
Subject: NANFA-- Re: Sneegas' aluminum can observation
Date: Wednesday, June 18, 1997 5:44 AM
Garold Sneegas asked:
> Does anyone of know if any potential problems with submerging aluminum
in
> an aquarium? I,ve noticed a lot of fish hanging around empty beer cans
in
> some of the streams I've been in.
No advice here, just a related observation.
Possibly the rarest fish in the country is the Scioto madtom (Noturus
troutmani I believe) named after Milton Trautman, the famous Ohio
ichthyologist and author of the Fishes of Ohio. The fish was last
seen by Trautman in the late 50's (I think) in a tributary of the
Scioto R called Big Darby Creek. Since that time no stream in Ohio
has been sampled as intensively as has the area where the fish was
last found, but to no avail, and many people think the fish is
extinct.
When I was a student at Ohio State, my ichthyology class sampled the
same creek, and we were given instructions to look inside submerged
aluminum cans, because Trautman had collected the Scioto madtom
inside such cans during in daylight hours. That must have been a
small fish. Sure hope the aluminum didn't contribute to the
extinction of the fish!
Jay DeLong
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