What is a suggestions for a thesis for "The Fish" by Elizabeth Bishop? I am writing a essay on this poem but need 3 points for a thesis. I was trying...

I would
first establish that the fish is a symbol of nature by quoting thethe narrator uses that shows
its intimate connection to nature:

He was speckled with
barnacles,
fine rosettes of lime,
and infested
with tiny white
sea-lice,
and underneath two or three
rags of green weed hung down.

Second, I would show that Bishop introduces a conflict between
nature and civilization through also having the narrator use imagery about the fish that
associates it with civilization. The narrator struggles between her understanding of the fish as
a natural creature and her desire to deny the fish's essential nature as a free creature by
domesticating it, making it an artifact of human culture:

his brown skin hung in strips
like ancient wallpaper,
and its pattern
of darker brown
was like wallpaper:
shapes like full-blown roses

Finally, I would note that the narrator's encounter with looking
into the eyes of the fish decides her attitude toward the fish. She goes from the triumph of
having caught it as...