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Re: KillieTalk Digest V3 #1273

        Bright color can result in improved breeding success even where
there are many predators who do indeed find the more colorful individuals
especially well.  The plumage of peacocks and pheasants, and possibly killie
colors, may make predation easier.  This means that beautiful males who
manage to escape predation are especially suitable breeders, and are likely
to be picked by females as mates for that reason.

Jay Moylan

----- Original Message -----
From: "Jeremy Adams" <killifish at home_com>
To: <killietalk at aka_org>
Sent: Thursday, June 07, 2001 12:37 PM
Subject: Re: KillieTalk Digest V3 #1273


> > In this case, perhaps bright colors and finnage may increase
> > vulnerability to predators, but it may also turn out that there aren't
> > important predators, or that the predators are mostly color blind (like
> > many frogs that sense motion rather than color) .  We can speculate
> > reasonably about mechanisms (i.e. fast growing fish become male) without
> > having to speculate why such a mechanism may have evolved.
> >
> While listening to a talk by Barry Cooper a few months ago on his
> collecting trips to Africa, somebody asked him if he thought that the
> bright colors had to do with the clarity of the water. They were
> hypothesizing that their bright colors might help them attract mates in
> very muddy water. Barry pointed out his observation that most fish which
> were collected from muddy waters actually had muted colors and the fish
> from clear water had more intense colors.
>
> BTW- That is all paraphrasing from memory and in no way should be used
> as scientific data unless confirmed with Barry or Brian :-)
>
> Jeremy
>
> --
>
>
>
> ~~~~~~~~~~~~~My Life Story~~~~~~~~~~~~~~~~
> Jeremy Adams - Corvallis, Oregon  USA
> Killifish-Frogs-Toads-Aquatic Plants-Fish Ponds
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> Loyal Macintosh user since 1988
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