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Hybrid Sunfish

Started by Guest_Uland_* , Apr 06 2013 02:54 PM

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17 replies to this topic

#1 Guest_Uland_*

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Posted 06 April 2013 - 02:54 PM

Not really sure if there is any point in trying to ID this but curiosity has the best of me.
Collected from Deer Creek Will County Illinois last weekend.
I have collected the following lepomis from this stream system in the past:
L. machrochirus
L. cyanellus
L. gibbosus

Posted Image

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#2 Guest_Skipjack_*

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Posted 06 April 2013 - 03:13 PM

Greengill would be my guess

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#3 Guest_Subrosa_*

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Posted 06 April 2013 - 04:26 PM

Looks almost exactly like one I caught with Gerald in PA last summer. It currently resides in a nature center tank so i can't get a pic right now, but a friend recently shot it for a magazine article so I'll try to get him to send me a pic to put up for comparison. Mine has a more distinct "Bluegill spot" on the dorsal, and the white leading edges of the ventrals scream Green on mine, but otherwise almost identical. Greengill would be my guess as well.

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#4 Guest_blakemarkwell_*

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Posted 07 April 2013 - 09:03 PM

I'm with Matt.

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#5 Guest_Uland_*

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Posted 08 April 2013 - 06:08 PM

I can't disagree it's probably a green-gill but I guess I want to know "why". Everyone can see the green sunfish part (even though it lacks white edges and distinct darkening of the posterior of the anal and second dorsal fins) but I'm not sure I really see the bluegill part. Small-ish mouth? Flanks resembling a sub-adult Bluegill? Long-ish pectoral fin? I'm not trying to be obtuse, but to me it has the body shape of a Green Sunfish (along with the opercular tab) but otherwise I can't see the other half.

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#6 Guest_zoonose_*

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Posted 08 April 2013 - 06:18 PM

The mouth does look a bit too small to be pure green.

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#7 Guest_fundulus_*

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Posted 08 April 2013 - 06:42 PM

It could always be just a slightly unusual green; all greens aren't identical.

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#8 Guest_butch_*

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Posted 08 April 2013 - 07:06 PM

Looks like a green x pumpkinseed...but then again they are very identical to green-gills. I do see the dark spot in the dorsal fin. The mouth appeared to have missing a maxillary.

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#9 Guest_Kanus_*

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Posted 08 April 2013 - 08:04 PM

The pattern on the body screams pseed to me personally, but I still wouldn't be shocked if it were just a greengill

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#10 Guest_blakemarkwell_*

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Posted 08 April 2013 - 10:11 PM

Here is a greengill I caught in a system (Illinois River) without pumpkinseed.

http://gallery.nanfa...rochirus01.html

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#11 Guest_EBParks_*

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Posted 09 April 2013 - 12:13 AM

I think it is definitely a green sunfish X bluegill. It looks exactly like the one we get in one of our lakes that only has those two sunfish in it. They get mistaken for pumpkinseeds a lot. Check out my gallery for some pics of some from our collection.

It can be hard to tell as they can display more traits of one of the two fish than the other. The main signs are the presence of the iridescent line, like the one found on the green's gill, but it has a less distinct line to it and is wider. That orange color behind the broken vertical bars is another trait usually found on the hybrids.

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#12 Guest_Subrosa_*

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Posted 09 April 2013 - 06:38 AM

The posterior dorsal spot is present on your fish (albeit rather indistinct), which is a pretty good indicator of Bluegill, and coloration like that is mood dependent so at times it may look more "Bluegillish" than it does in that pic..

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#13 Guest_Subrosa_*

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Posted 04 May 2013 - 06:40 PM

Took a while, but here's a pic of one we caught last summer in the Pennypack Creek, Delaware River watershed. Very similar to the photo you posted Uland.