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minnow in VA 2

Started by Guest_6ghokie_* , Oct 13 2009 08:13 PM

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6 replies to this topic

#1 Guest_6ghokie_*

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Posted 13 October 2009 - 08:13 PM

OK, how about this one? Sorry for the poor quality pics . . .

minnows2.jpg 320.44KB 1 downloads

minnow3.jpg 56.55KB 0 downloads
Potomac River, Riverbend Park.

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#2 Guest_Kanus_*

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Posted 13 October 2009 - 08:23 PM

Banded killifish, Fundulus diaphanus.

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#3 Guest_BTDarters_*

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Posted 13 October 2009 - 10:48 PM

I would second that. But are they the Eastern Banded Killie (Fundulus diaphanus diaphanus) or the Western Banded Killie (Fundulus diaphanus menona)? I haven't learned how to tell the 2 apart yet.

Brian

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#4 Guest_Dustin_*

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Posted 14 October 2009 - 05:57 AM

There are only F. d. diaphanus in VA.

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#5 Guest_BTDarters_*

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Posted 15 October 2009 - 04:16 AM

OK. How do you tell them apart? We have Western Banded Killies here in Wisconsin, but I wouldn't know how to tell them from an Eastern if I saw one.

Brian

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#6 Guest_smbass_*

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Posted 18 October 2009 - 10:46 PM

The westerns have fewer bands on their side and they also have a different average dorsal ray count. Don't remember the exact numbers but I think you could look them up pretty easily.

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#7 Guest_BTDarters_*

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Posted 19 October 2009 - 05:24 AM

I checked my Peterson's guide and it says that the Westerns have many brown spots on the back and upper side of the fish, whereas the Easterns don't. It also says that Westerns have less lateral line scales and less pectoral rays. Here's the breakdown:

Western -- Eastern
40-44 lateral scales -- 45-49 lateral scales
14-15 pectoral rays -- 16-17 pectoral rays
spots on back -- no spots on back

Still, pictures would help, so here are pictures of some of my Westerns.

P6050016-BDKF-male-800x600.jpg 78.95KB 0 downloads
That's a breeder male.

Here's a picture of a female breeder in among some plants.

P6020021-BDKF-among-weeds-800x600.jpg 107.02KB 0 downloads

By the way, does anyone know how to make HTML tables on this forum? I tried and couldn't get it to work. I also checked the "help" and couldn't find anything.

Brian