Ichthyologist
No, "fishologist" is not a recognized word. The correct term for someone who studies fish is "ichthyologist."
The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.The term for the study of Greek and Roman literature is the Classics. Someone who studies them is a Classicist.
μαθηματικός (mathematikos)
Such a person is a Geologist.
I believe the Latin phrase is: personna non grata
The graduate of Wine and Winiculture school
The term "scholar" was derived from the Latin word "scholaris," which referred to one who studies or learns.
There does not seem to be a term for this yet.
its either called lacanthrapy or lacanthraphy, not sure
Someone who studies very hard might be called a bookworm. You could also say they keep their nose to the grindstone.
A blay is another term for the bleak, a small European river fish, Latin name Alburnus alburnus.
Emeritus is a male Latin term that basically means "having served one's time". Emerita is the female version. This term can be used in the military and even when someone of the clergy steps down.