OCEANOGRAPHER
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Jaques Cousteau...The Great!
The name of a scientist that studies sports is called a sports scientist.
aquatic scientist
A virologist is a scientist who studies viruses.
An arachnologist
A scientist who studies animals is called a zoologist.
a marine biologist
A scientist who studies radioactivity is called a nuclear physicist or a radiologist.
A scientist who studies animal life is a zoologist. There is no particular name for a scientist that specialises in platypuses.
Marine biologist. Actually, a Marine Biologist is someone who studies marine organisms (plants, oceans, and animals), but someone who studies MAINLY marine mammals is a marine mammalogist.
The name for this type of scientist is a teuthologist
This answer is a entomologistA scientist who only studies fish is called an ichthyologist.
Parasitologist