There are some differences in their appearance, but can be difficult to seperate. Black crappie are not as prolific as white crappie which makes them better for use in small lakes.
White crappie have a tendency to quickly over-populate and stunt in small systems.
Catfish should not impact black crappie numbers. There are some differences in their appearance, but can be difficult to seperate. Black crappie are not as prolific as white crappie which makes them better for use in small lakes. White crappie have a tendency to quickly over-populate and stunt in small systems. Catfish should not impact black crappie numbers.