No. But I get nightmares every time I see a underwater documentary (whales, fish, sharks etc). I find the idea of being lost at sea with no land in sight to be the most terrifying thing ever.
Sometimes when I jump into a pool I get this anxiety and need to get out of the water asap. Even though I know there's not gonna be a shark in the pool that jump into water sometimes just triggers this reflex of needing to get out asap because my brain just had a flashback to every shark movie I ever saw.