Joe Rogan got corrected for correcting Neil deGrasse Tyson. I | RAY English Learning Center

Joe Rogan got corrected for correcting Neil deGrasse Tyson.

It should serve all the English language learners as somewhat a reminder that even natives may not know basic grammar.

Explanation:

A fisherman caught many fish. (Numerous but of the same kind)

A fisherman caught many fishes. (Numerous but of different kinds)