How does the tail fin of the flathead catfish typically compare to that of the blue catfish?

Answer

The flathead tail is broad, slightly rounded, or only minimally notched

Blue catfish possess a noticeably forked tail, whereas the flathead catfish has a tail that is broad, slightly rounded, or only minimally notched, sometimes described as truncate.

How does the tail fin of the flathead catfish typically compare to that of the blue catfish?
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