Does anybody know what this fish is?

Looks like a salmonid to me

I was down there in the late fall and there was lots of salmon carcasses all along the beach.

yup if it walks like a duck and quacks like a duck ….than it must be a duck.
its more than likely to be a salmonid as anything thing else would be to rare or out of place to be a contender. Had that fish shown up in frenchmans bay I'd vote bowfin or walleye out on the shore of the open lake salmonid.

Nose and mouth are way too pointed to be a Bowfin, they have more of a square mouth like a catfish and a lot less teeth.

Also, this fish has a noticeable kype in its jaw, something that doesn’t develop in a walleye , snakehead or bowfin

Albeit, skeletal pics of snakehead show a kype, just my opinion

upon further inspection ... walleye only have one set of anal fins , bowfin have a rounded tail and a dorsal fin that extends to the tail the lateral line isn't always visible , salmon have a dorsal peduncle that i didn't see the first time around or may not be there if its a stocked fish , and they also two sets of anal fins which our mystery fish has so I'm gonna say this is a salmon of some sort by the size and colour of the mouth im going with coho

I vote salmon. Here's some pics of one we got a few years back.

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Ya , after closer look, I had to change my mind and go with salmon.....head shape on that closeup shot did it for me

Thanks everyone for the input and thoughts