Mud Darter?

A couple weeks ago Shawn and I stopped by the East Fork of White River just south of Indianapolis, IN. Because the water gets deep quickly in the area, we did one of Todd's infamous seine tosses and came up with this darter. After looking over a few books, I came up with a tentative ID of a Mud Darter(Etheostoma asprigene) The darter is listed at being found in Indiana, but where it is found is probably at the edge of its boundary. What do the rest of you think?

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Thanks,

Bill F.

I've only seen a mud darter once, one that Nate Tessler caught and I pictured it. I would say it seems to look the same as my pictures but I also question why it wouldn't be a large female orangethroat. I do think your fish is a mud darter but if someone knows a definate reason why it is a mud and not a female orangethroat I would like to hear or see why. Here is a pic of each from my collection...

Mud Darter from the Wisconsin River, WI
 Mud_Darter1_from_the_Wisconsin_River_south_of_Sauk_Prairie_WI_05_08_07_by_BZ.jpg   175.78KB   1 downloads

Female Orangethroat Darter from headwater of Big Darby Creek, OH
 female_orange_throat_darter1_Big_Darby_Creek_headwaters_4_8_06_by_JZ.jpg   123.65KB   2 downloads

Edit: I'm not sure the range fits to be a mud darter, that might make me lean toward orangethroat, I'll try to do a little more looking around.

It looks a lot like a female orangethroat to me.

Of course I ID'd feeder guppies as gambusia the other day, so take what I say with a grain of salt.