Thalassophobia is the fear of the sea or deep water. So do any of these pictures of swimmers who are in danger (or even perfectly safe) make you feel dread? Because if they do, you may have thalassophobia.
Thalassophobia (Fear of Deep Water): Do You Have It?
This is the pure nightmare of every thalassophobe. It’s not just the vast expanse of the endless ocean that’s so terrifying. It’s the unknowable, unfathomable depth. It’s the idea of entering the abyss (and not being able to breathe in the abyss).