Yes and no. There is no easy answer to this question. Myth are stories about the origins of life and various aspects of the human conditions that we have no easy answers, such as the existence of evil and death. Often myths are used by various religions to justify the existence of their god or gods. Thus many religious people see their religions to be truth and not myth, yet regard religions other than theirs to be myth. So the answer is both a Yes and a No!
a myth
it isnt
most likely fiction: a myth or a legend
Yes & yes
You're not a mermaid, so you don't need to worry about it. What mermaids do in fiction or myth depends on the author or source of the myth.
A myth, a fiction, a hoax photshoped into pictures that were posted on the internet.
Some words with the root "myth" and the definition "fiction" include mythology (a collection of myths), mythic (relating to myths), and mythologize (to create or spread myths).
mystery, science fiction, historical fiction, myth, fantasy, andthe 5 genres areFictionDramaNonfictionpoetry and media
legend, myth, parable, allegory, story, tale, fiction, fantasy
fable, narrative, saga, fiction, tale
No. Leprechauns are creatures of myth and fiction.
Maximillian E. Novak has written: 'Realism, myth, and history in Defoe's fiction' -- subject(s): Criticism and interpretation, English Historical fiction, History and criticism, Myth in literature, Realism in literature