Greg - sorry for the delay. I took Bill's advice and went back to Carlander's Handbook of Freshwater Fishery Biology, Volume 2. He has average length at age from different parts of the country. His means for AL, GA, LA, and TX are 166, 256, 315, 391, 437, 418 (yes it is lower; not a typo), 557, 622, 645, 706, and 910 mm (total length) at ages 1-11.

For other readers, Carlander also provided a North American set of averages: 118, 215, 287, 341, 389, 434, 463, 495, 510, 528, and 554 mm at ages 1-11.

Those southern fish sure can grow fast! \:\)

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From Bob Lusk: Dr. Dave Willis passed away January 13, 2014. He continues to be a key part of our Pond Boss family...and always will be.