CJ- I bought a 75lb yellow turtle from Concordia turtle farm several years ago. He was put in a black stock tank that I spray painted yellow. A few days after,his skin turned a roasted marshmellow black. When he shed this off in a few days his skin and shell were a darker tone. Somewhere between yellow and brownish red. Till finally he stayed brownish red. This made me think the PH played a roll in this change. He had been in a pond with other yellow turtles where the mud was a yellowish white in Lousiana. To top this off Jesse Evans of Concordia told me that these snappers were normal colored when they were put in the pond 10 years ago. I'm surprised that there isn't much research done on snappers. The person with the most knowledge is John Richards. Maybe he could give some information.

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