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Joined: Jan 2015
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I just stocked my pond with small HBG and CC. I need to introduce bass to control HBG offspring but would like to wait a little while for reasons I'll spare you for the sake of brevity. What is the longest I can wait before to introduce the bass?
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Are you talking years or months.? And what is your stocked hbg to lmb ratio? I would suggest this June before too many of the you get too big to eat as apposed to June next year or in two years. Or do you want the lmb to spawn this year?
Last edited by Bill Cody; 03/07/15 04:29 PM. Reason: spell correct
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Can the cc keep them under contrl??
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It also depends on how big of LMB do you plan to stock.? The larger the stocker LMB the larger the HBG offspring can be. Plan on LMB being able to eat a HBG that is 1/3 of the bass length. Thus a 9"-10" LMB should be able to eat 3" HBG with 1.5"-2.5" being preferred forage size IMO. If you do some intensive fish trapping of the HBG offspring, you can delay indefinitely adding LMB. Eventually the CC at 16+" and at similar density of LMB of 80-100/ac will help control HBG offspring.
Last edited by Bill Cody; 03/07/15 04:35 PM.
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Would fishing the pond hard to remove the female HBG help? Maybe right before spawn so the gravid females are easier to identify?
Last edited by Bill D.; 03/07/15 07:45 PM. Reason: Clarification
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Good idea but novices have a hard time recognizing female HBG.
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Being a novice, I know what you mean, that's why I was thinking right before spawn....I would say to myself, "Ok, take out the ones with the extra fat bellies." 
Last edited by Bill D.; 03/07/15 08:18 PM.
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Being a novice, I know what you mean, that's why I was thinking right before spawn....I would say to myself, "Ok, take out the ones with the extra fat bellies." Those could be couch potato males too! 
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Arktiger, Found this in the archives that might be helpful if you decide to try to fish out some of the females. See this link for pictures of female hybrid bluegills (HBG) that are swollen with eggs. Note the gill flap shape and color of these females and compare it to that of male HBG. The males will often have an overall darker body hue and darker color on the gular area (breast). Males during spawning season are likely to have flat or slightly concave bellies. General body color in each pond will vary depending on water clarity. Generally clearer water results in darker body colors of both males and females. Cloudier water equals overall more subdued colors. Thanks to Sparkplug for these good pictures. http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Main=22297&Number=282644#Post282644 Probably the most reliable way to sex HBG is to see and sort them during spawning season when females are full of eggs as Sparkplug is doing in the link above.
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With HBG and CC, expect small, skinny LMB, since the HBG can not produce enough forage to support many LMB. Once the LMB have their fist spawn, I doubt you will see more than a very few LMB over 16" in the pond.
You may want to stock 10-15 same sex LMB per acre rather than trying to control HBG reproduction. That would let the LMB grow considerably larger for angling fun. Also, once your CC get to be around 2-3 pounds, unless feeding them pretty heavily, they will compete with the LMB for scarce food, get very skinny and starve as well.
Last edited by Rainman; 03/08/15 09:42 AM.
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A little more info....I found this quote from Bill Cody in the archives which would make me think twice about introducing the LMB too late to control HBG spawn and F2 recruitment.
"Succeeding generations of HBG do not breed true and various mixed genetics of the parents will be exhibited. After many years of HBG inbreeding, the offspring can closely resemble either parent – IMO usually more outward traits of green sunfish."
FWIW It's that part about overtime you could possibly have a pond full of GSF type fish that would make me nervous about letting F2 get a good start.
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Let me clarify, my comments above were from ponds with reduced predation, too much cover, and without LMB as the main predator. Generally with 'adequate numbers' of LMB as a main predator the 'inbreeding mut" GSF type offspring rarely "get out of hand" or overabundant. Plus it takes around 10-14yrs for this to happen, if it even happens. In one of the ponds that it occurred the active fish management was minimal at best. The fishery basically proceeded on its own with SMB and a few HSB as predators.
Last edited by Bill Cody; 03/08/15 06:27 PM.
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