Anyone know what this fish is?

I do not see it very well but it appears to be a northern mudminnow.

That is it. Thank you.

Definitely Umbra limi, the central mudminnow.

Pre-cursor of a good walleye meal is my humble opionion.

Yep mudminnow. The first one I ever saw I found on the ice as I was chopping a hole in the ice for a muskrat set. It splashed up on the ice and I put it in my coat pocket to take it home to id it. I remembered it about 3 hours after I got home and it was still alive. Put it in a glass of water and it lived on my counter for 4 days until I let him go. Very tough fish. They stay alive on a hook forever too but aren't very good bait. A emerald shiner will outfish a mud minnow 20 to 1.

Looks like our Blackfish. They are a delicacy here. Can freeze them and they come back to life.

Shark.

Yup. We often get them in minnow traps in the swamps. Great aquarium fish for kids, but very poor bait. They thrive in swamps that kill moat other fish due to lack of oxygen. And yes, have had them live all night laying on a wet parking lot. Not even a puddle, just wet...put that one in an aquarium and it lived for years.

Its not a Walleye!!!

We have the Eastern mudminnows out here. They are darker in color and also poor for bait. Must be they either stink or taste bad.

Mudminnows see a fish coming in and remain still, when hooked in the lip.....then in the tail they struggle to get away and gulp their history.
they will gulp air when the O2 level drops that is why you find them around rat slides in the houses.

Here's how folks here catch them.

Back in the day when fox equalled a UNCLE BEN, and that's not the old Canadian beer brand, knew so fellows that trapped these minnows and just put them into a 2 gallon pail and fermented them over the summer and used the black paste for lure attractant. Did not know how they could afford a new Big Red Honda every fall.
And now look fox prices are equal pay to a Canadian beer a cheap one granted.

Jeff that was an interesting design for the funnel and attachment.....going to change my muskrat funnels like that

These traps are also used for Muskrat, mink and otter here. Its a traditional trap for under ice, and works great. (legal here).

Good reason they are poor bait. As hardy as they are I wouldn't want to eat one either.

These small fish were and still are a very important food source in the winter for Yupik Eskimos's in western Alaska. In the middle of winter you can chop a hole and get protein, (that taste good ) They are eaten whole frozen, or boiled, and used for dog feed as well.

Give anyone here a bag of them and you will be thanked profusely.

If you find a place that they are boiling in a hole to breath oxygen, you can catch fox all day long. As fox get fat sitting there eating them all day.

I suggest give them a try