No.
A simile.
A metaphor
It is a simile.
As quick as a wink is a simile. ----
simile It is an example of a simile (uses like or as). A simile in itself though is a type of metaphor.
simile
The jellyfish live in jellyfish fields.
Yes, the box jellyfish IS a true jellyfish.
that man
Simile
It is a similie as you are comparing (something) to how sly the fox is. A similie uses the words "like or "as".