The study of fish is called Ichthyology. So you would call smeone who studies fish a ICHTHYOLYGIST.
+++ I think a lot of them call themselves "Marine Biologists" - it's easier to pronounce, just as accurateand easier for non-specialists, the public and funding administrators to understand.
A person who studies the branch of zoology dealing with fish is called an ichthyologist.
marine biologist... is an aquatics person! Ichthyologist
a Marine Biologist is what you would call it.
a person who studies people but not an psychologist
A person who studies genealogies is a genealogist.
A person who studies organisms is called a biologist.
An ichthyoligist is a person who studies fish.
An Itchyolohist is a person who studies fish.
a person that studies gems is called a gemologist.
what do you call somebody who studies snails.
Don't know, but a fish is called an ichthyologist
A person who studies poisons is called a toxicologist.