The "Home Alone" actor's other options included "SharkWeek" and "Publicity Stunt."
Researchers link a supernova explosion 2.6 million years ago to the extinction of marine megafauna.
The 8-foot attacker was later identified as a great white shark.
"It's just one of those things where she was spearfishing and the shark came from nowhere."
Around 70 percent of shark attacks are by unidentified species.
Bonnethead shark, a relative of the hammerhead, eats seagrass for nutrition—and may be able to survive on it alone.
"It doesn't feel like I did anything heroic," the survivor said. "A lot of this was luck."
"I was immediately excited, it was just perfect, and I knew it was an important find that needed to be shared with people."
Video footage taken shows the whale rolling in the water as it attempts to escape.
Dustin Theobald was playing with his 8-year-old son when he was bitten by a shark.
"Sharkie," an Atlantic bottlenose dolphin, suffered severe shark bites to her body and right flipper.
The image was shared on Facebook, leading to a barrage of criticism.
Scientists are trying to understand why the generally solitary creatures are grouping together.
"It was an hour-and-a-half fight."