They would be known as an Oceanographer.
oceanographer
Marine biologist
marine biologist :)
marine biologist.
marine biologist
scientist
Biologist specialized in marine life and its surroundings.Someone who studies life underwater, e.g. fish, squid, whales, and etc...A scientist who studies life forms found in the ocean is a marine biologist.
scientist
marine biologist
A scientist who studies all forms of life is called a biologist. Biologists study living organisms, their interactions, and their environments to understand biological processes and systems.
marine biologist
marine biologist