The surfer was dragged under the water before he surfaced, to be grabbed by a support vessel which also picked up his co-finalist.
Fanning did little to attract the attention of the shark, suspected to be a great white.
And the manner that the shark approached him, slowly, suggests that it was testing the waters, so to speak.
Experts say sharks have an undeserved reputation as the bad guys.
The reality is they are the animal most commonly capable of attacking, and killing humans.
They are the animal we fear most. Seeing seasoned professionals like Fanning shaken up to the degree that he was, reminds us of our precarious relationship with the ocean's inhabitants, and how quickly the relationship can sour without warning.