Bathymetry
An Oceanographer. Marine Biologist, that sort of thing.
It is the mid-ocean ridge.
That would be a marine biologist.
Aliens
It is the mid-ocean ridge.
The edges of the continental plates under water are called the continental shelf.
A scientist.
Scientist call the seahorse a "Hippocampus"; a latin word
A military scientist
A biotechnology scientist.
I call them "scientists" but their called oceanographers =D
I have no idea. Call a scientist or something I have no idea. Call a scientist or something