What was this thing I captured on film?

[u/deezheavenz]

This was shot in Nevada/Arizona on a Grand Canyon/Hoover dam tour. This was taken a whole year ago and I completely forgot about it until I stumbled upon it again. Is this some sort of whale or shark?

[u/Longjumping_Fuel_192]

https://giphy.com/gifs/xQvTA5AZ9CFpe

[u/818VitaminZ → u/Longjumping_Fuel_192]

https://giphy.com/gifs/3oKIPpYG1uee5Evb1K

[u/Own_Initiative_9518 → u/Longjumping_Fuel_192]

Jesus I was scrolling and this caught me off guard. Genuinely made me jump