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Joined: Mar 2006
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Will LMG and BG cross/inter-breed?
My BIL says I have some crosses in my pond. They the mouth of a LMB but the body/colors of a BG.
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Joined: Aug 2002
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Hall of Fame Lunker
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Originally posted by switch: Will LMG and BG cross/inter-breed?
My BIL says I have some crosses in my pond. They the mouth of a LMB but the body/colors of a BG. It's been done artificially but the offspring rarely survive. Very, very unlikely in a natural setting. Someone is pulling your leg or isn't very knowledgable. Most likely the large mouth on these fish can be attributed to a sunfish with a larger mouth crossing with your bluegills i.e. green sunfish. Hybrid sunfish can be very common if the conditions are right and species are present. What's a BIL? Oh brother-in-law?
If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.
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Moderator Lunker
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Like CB1 sez, no. IIRC BG & LMB, when force crossed in the lab or hatchery, exhibit some success as far as eggs being fertilized, but very little success at producing viable hatchlings and virtually none grow to adulthood. I have a copy of the paper showing this at home, and ewest may be able to post the link. IMO (like Cecil's) what you have is a SunfishXSunfish hybrid, quite possibly the classic BluegillxGreen Sunfish. GSF are frequently described as having a "bass mouth" as are the hybrids. It could just be GSF. See HBG Pic/Question for pics of hybrids and GSF.
"Live like you'll die tomorrow, but manage your grass like you'll live forever." -S. M. Stirling
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Joined: Jul 2005
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sounds like a warmouth(stump-knocker as we know them) to me....big mouth like a bass but a small body like a bream..where are you located at?
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Moderator Hall of Fame 2014 Lunker
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Moderator Hall of Fame 2014 Lunker
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There is a pic but I can't get it to copy and post
Micropterus salmoides X Lepomis macrochirus 66 %
When Micropterus and Lepomis were crossed two offspring were produced. When Micropterus eggs were used 81.67% were fertilized, 30.3% hatched,a nd 0.2% (2) survived. The two offspring that survived were different in appearance (Figures 3 and 4) and behavior. The smaller fish had several noticeable abnormalities. h was apparently blind in one e)e and was much darker in appearance than the larger one. Some times the small hybrid would swim the circmnference of the plastic pool at the surface with its dorsal fin out of the water. At other times it would assume a vertical position in the water rather than a horizontal one. These abnormalities of vision, pigmentation, and equilibrium would appear to indicate neural deformity. When Lepomis females were crossed with Micropterus males, 85.0% of the eggs were fertilized and $.0% hatched. Those fry that hatchedd ied shortlya fter•,ards.N oner eached a free-swimmings tage. In this crossa nd in its reciprocal fertilization rate was high; however, it was quite difficult to obtain viable offspring.
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