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Minnow ID

Started by Guest_dac343_* , Jul 03 2014 05:41 PM

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16 replies to this topic

#1 Guest_dac343_*

Guests

Posted 03 July 2014 - 05:41 PM

I was thinking bigeye chub but not sure, conflicted with

stramineus

. Green River Drainage, KY

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#2 Guest_Skipjack_*

Guests

Posted 03 July 2014 - 07:03 PM

I think you are right. But I am still trying to consistently tell the difference between sand and mimic.

In the bottom photo, I think I can see a tiny barbel.

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#3 Guest_dac343_*

Guests

Posted 03 July 2014 - 07:20 PM

I believe these are the same species if that helps. I should have checked for barbels, even had my hand lens in my waders. Of course I didn't use it...

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#4 Michael Wolfe

Board of Directors

North Georgia, Oconee River Drainage

Posted 03 July 2014 - 07:39 PM

the first set of pictures look very much like a Hybopsis to me... the second set looks a little bit more stocky to me, but if you say they are the same...

Either write something worth reading or do something worth writing. - Benjamin Franklin

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#5 Guest_fundulus_*

Guests

Posted 03 July 2014 - 07:45 PM

Those first three photos are all bigeyes. We caught about 25 of them today, and the purple sheen, slanty head shape and big eyes tilted slightly up are unmistakable. I can also tell you with some confidence that their breeding season is pretty much April and May, at least in north 'bama.

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#6 Guest_dac343_*

Guests

Posted 03 July 2014 - 07:57 PM

the second set looks a little bit more stocky to me, but if you say they are the same...

Didn't say they were the same, only I believed that they were the same fish :biggrin:

. I don't have a side by side picture to show you but overall body size of the fish in the second set was larger (length) compared to the two individuals in first set.

Thanks Matt, Michael and Bruce for you assistance.

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#7 Guest_Skipjack_*

Guests

Posted 03 July 2014 - 08:22 PM

I am pretty confident, as confident as I can be, that those are amblops. I would go with that unless someone else has a better ID.

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#8 Guest_Skipjack_*

Guests

Posted 03 July 2014 - 08:27 PM

The other group has some pretty obvious gold stripes.

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#9 Guest_dac343_*

Guests

Posted 05 July 2014 - 09:22 AM

This picture is of the same two individuals (1st ones I posted) from top down. The gold line is visible on them as well. I know you are thinking it is a striped shiner in the second pic but to me the snout was more bulbous and mouth more sub terminal (when he gasped it looked more like a pimephales). Also at his body length I'm used to striped shiners having the more deep body. Maybe I just don't want to accept that I miss ID'd another striped shiner.

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#10 Guest_Skipjack_*

Guests

Posted 05 July 2014 - 10:41 AM

Don't sweat it hopefully Dave Neely or Brian Z will chime in and square us all away.

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#11 Guest_gerald_*

Guests

Posted 05 July 2014 - 11:19 AM

Bigeye chub looks probable, but what about silverjaw (N. buccatus)? Is that one possible in that stream?

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#12 Guest_dac343_*

Guests

Posted 05 July 2014 - 11:33 AM

Actually that was what my co-worker thought when I showed I to him. We had an intern with us so he thought I was quizzing him. When I stated I had no idea and pointed out lack of pearl organs. We were both stumped in front of intern not a good day. We caught at least 20 all with no visible silver jawing.

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#13 Guest_Skipjack_*

Guests

Posted 05 July 2014 - 12:31 PM

You can rule out silverjaw for certain. At a quick glance they do look very similar, body and head shape.

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#14 Guest_Kanus_*

Guests

Posted 05 July 2014 - 01:45 PM

I'll cast another vote for amblops

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#15 Guest_dac343_*

Guests

Posted 08 July 2014 - 07:55 PM

Today I got a dissenting opinion from a friend who is a Aquatic Zoologist for Kentucky State Nature Preserves Commission. He believes it is a Notropis volucellus based on his experience in the area. I went ahead and fired off an email to Matt Thomas as well just to get his opinion. Perhaps I should have taken a voucher and keyed it out lol.

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#16 Guest_dac343_*

Guests

Posted 15 July 2014 - 03:38 PM

I was able to get back out to the same site yesterday and collected a few voucher specimens along with some for host studies. I keyed them out just to make sure but they definitely had tiny barbels. They are indeed bigeye chubs.