> The wild Atlantic Salmon is normally thought of as a large fish,
> right?

Mark!

(for sheer off-topicness) 

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On 
> Behalf Of AlunFoto
> Sent: 11 May 2009 09:23
> To: Pentax-Discuss Mail List
> Subject: Re: New Jersey Drivers
> 
> 2009/5/11 Joseph McAllister <[email protected]>:
> >
> > Can't we all just get along?
> 
> I just got to tell you something that's faaaar away from the current
> topic, but has certain parallels which I find quite interesting.
> 
> The wild Atlantic Salmon is normally thought of as a large fish,
> right? Spends its childhood in some river, and goes to sea to grow big
> before returning to spawn. Well, as a life history, that's just half
> the story. There's something called "jacks". Male fish that don't
> bother to go to sea, but rather mature early at a body lenght of only
> 15 cm. They are so small they can hide between the rocks on the
> spawning site, and the large sea-going males have no chance to chase
> them away. When the spawning starts, they quickly enter the scene and
> fertilise some of the eggs with a little squirt of their own. There is
> high risk involved, however. The female will immediately start
> burrowing her eggs, and the jacks can be hit by stones from the
> process, or by the tail-fin of the female. Dead jacks in egg-pockets
> have been documented.
> 
> One parallel to the traffic thingy is that there are two different
> strategies. Sea-goers and jacks, early-mergers and (not quite sure
> what to call them, but) zippers. The success of the jack/zipper
> strategy depends on how many other jacks/zippers there are about. A
> jack's success is maximised if he/she is the only jack. The more
> jacks, the lower success. Same for the zippers. The second parallel is
> that of risk.
> 
> A third parallel could be fishy goings-on. :-)
> 
> 
> Jostein
> 
> -- 
> http://www.alunfoto.no/galleri/
> http://alunfoto.blogspot.com
> 
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