[NetBehaviour] WHAT ARE THESE FISH I DON'T KNOW FISH PLEASE HELP ME

[Ryan Griffis]

On Sep 21, 2007, at 6:00 AM, netbehaviour-request at netbehaviour.org  
wrote:

> Please help me, what are these fish? Large schools gathered
> tightly together in the Providence River, Rhode Island.
> They're about 18" in length. I can only guess invasive species,
> maybe ocean-hungry spawning but I DON'T KNOW FISH.
>
> http://www.asondheim.org/fish8.jpg
> http://www.asondheim.org/fish19.jpg
>
> Time: late afternoon/early evening.
> Numbers: Approximately 1000.
> Behavior: Swarming, schooling, occasional 'flashing' of sides.
> Color: Seemed almost transparent, grey-blue, dull.
>
> WHAT ARE THESE FISH I DON'T KNOW FISH

http://www.beloblog.com/ProJo_Blogs/newsblog/archives/2007/09/ 
photo_bluefish.html