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shiner ID

Started by Guest_SeaweedGuy_* , Jul 28 2009 02:44 PM

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4 replies to this topic

#1 Guest_SeaweedGuy_*

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Posted 28 July 2009 - 02:44 PM

This shiner has been giving me some trouble. I know it's a bit dead and poked at, but I thought maybe someone here could give me some help. I've been trying to get a good count on the anal fin rays, and I think its 8 but I'm not 100% certain. Comes from a lake in northern Wisconsin. Any takers?

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#2 Guest_blakemarkwell_*

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Posted 28 July 2009 - 04:28 PM

Looks like Notropis dorsalis (Bigmouth Shiner) to me, however, from that picture it is hard to be certain.

Blake

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#3 Guest_SeaweedGuy_*

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Posted 28 July 2009 - 06:16 PM

I don't know about that one, the mouth looks more terminal than subterminal to me (hard to tell from that picture I know). I think you're definitely right that it's a Notropis species, but I'm just having a hard time telling some of these species apart. Is there maybe a certain feature I could take a photo of to help with this ID?

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#4 Guest_blakemarkwell_*

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Posted 28 July 2009 - 07:08 PM

Well, being a Notropis species from WI, the list is fairly short. I have ruled out every other possibility of Notropis occuring in lakes in WI. Its not N. heterolepis or heterodonso I still stand by dorsalis, but that photo makes it tough.

Look at photos online of N. dorsalis and compare it with your fish also look at Petersons Field Guide.

Good luck,
Blake

Edited by blakemarkwell, 28 July 2009 - 07:09 PM.

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#5 Guest_SeaweedGuy_*

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Posted 29 July 2009 - 11:18 AM

I was mainly thinking the other candidates were N. volucellus or N. wickliffi. I agree that it's definitely not N. heterodon or N. heterolepis. Mimic shiners are common in this lake, but these fish looked different to me.