Blue Tailed Crappie ....

[Ketchn]

might be a new subspecies , who knows for sure ......
if you google the possible causes of this type of coloration , it might surprise you .....
really handsome fish in the sunlight and a large number of them ...around 50 / 50 exhibited the blue tail scales .....
one thing for certain , just beautiful in the sunlight bigtime ....
so let's here what you folks think causes this scenario ?