Re: Glenn's faith in catfish

Randy Landrum (randyl@efn.org)
Mon, 6 Jan 1997 20:49:20 -0800 (PST)

On Wed, 1 Jan 1997, Brian D. Harper wrote:

> did write on 12/28:
>
> =============
> As Johnson notes, the story to be tested is that a fish
> species developed the ability to climb out of the water
> and move on land. But here are the problems NO ONE has been
> able to solve, to this day. Taylor at 56ff. (no ellipses!):
>
> "The real obstacles to such a move were the massive structural
> changes needed to make life on land worthwhile. To bein with,
> the fish would need legs simply in order to relieve the
> pressure of its body on the ground, which would compress the
> lungs.
> ==============
>
> You've been given two examples of fish that climb out of the water
> and walk on land. The claims above are obviously false, do you want
> to retract them?
>
> Brian Harper
> Associate Professor
> Applied Mechanics
> Ohio State University
>

Hi Brian,

I was wondering if you could explain to me how fish which had gills and no
lungs could develop lungs loose their gills and still survive. I am not
debating eye witness accounts of fish climbing out of the water and
walking on dry land.

-Randy

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