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Blue Roan Sunfish

Started by Guest_butch_* , Aug 25 2012 03:41 PM

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7 replies to this topic

#1 Guest_butch_*

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Posted 25 August 2012 - 03:41 PM

I caught these sunfish las spring....two sunfish come from same spot and the second sunfish come from another lake....any ideas what causes them to have that coloration?

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blueroan sunfish.jpg 60.94KB 6 downloads
calico.jpg 45.94KB 16 downloads
blueroan sunfish2.jpg 14.36KB 3 downloads

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#2 Guest_FirstChAoS_*

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Posted 26 August 2012 - 12:51 AM

The black spot on its dorsal is a trait i often seen mentioned in bluegills though its coloration is odd. I swear at times two fish of the same species may look like different species

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#3 Guest_Orangespotted_*

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Posted 26 August 2012 - 03:37 PM

Very strange, perhaps related to illness? On that last fish, the one with the hollow blotches, it almost looks like an owl or other clawed predator grabbed it, and it later healed but is still a tad traumatized (It doesn't look like a BG either, or at least not a pure one.)

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#4 Guest_butch_*

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Posted 26 August 2012 - 08:34 PM

None of them have any wounds on them. All are pure bluegills as all of them have a blotch on the dorsal fin. The ears are full black....so there's no hint of the hybridizing in them.

They are very healthy and fat...but they are really stand out in the crowd when shoaling with other normal-colored bluegills.

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#5 Guest_UncleWillie_*

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Posted 27 August 2012 - 09:00 AM

I have no idea what would cause this. I know that the two pics on the left are bluegills, but that fish on the right is a green sunfish. That's interesting that you found this color in tow different lakes.

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#6 Guest_Orangespotted_*

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Posted 27 August 2012 - 05:01 PM

None of them have any wounds on them. All are pure bluegills as all of them have a blotch on the dorsal fin. The ears are full black....so there's no hint of the hybridizing in them.

They are very healthy and fat...but they are really stand out in the crowd when shoaling with other normal-colored bluegills.

They stand out? So you can selectively fish for them? Fantastic! Catch me one! :D/

Just kidding, of course, but it would be great if you could find someone to keep these in the aquarium for a while, see if there's anything else peculiar about these guys. There are a couple of similar threads floating around the forum here so this is not unheard of.

I thought that this guy's marks: http://forum.nanfa.o...attach_id=12763 resembled the healed wounds of the goldfish on this page (scroll down under "Ollie Owl"): http://aqualandpetsp...h Predators.htm , if that helps show why I thought so, but if the fish were perfectly healthy, that is brought into question.

Without further investigation, it is difficult to guess what is going on here.

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#7 Guest_butch_*

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Posted 30 August 2012 - 03:47 PM

The two lakes always have roan sunfish. South Long Lake and Sebie Lake. For some reason, they never get big (most likely got eaten by predators).

Noted: all sunfish in the pictures are pure bluegill, no green sunfish in there.