"They even cut fish on top of the tables."
Some scientists cut open dead fish to look at the inside and found the oil was inside the gills and the heart.
In winter when the lake freezes, many fisherman go out on the ice, cut holes, and fish.
He began cutting fish as a child.
Using a large, very sharp knife, cut fish on the bias in paper-thin slices.
They cut fish for only about 5 seconds after the repellent mixture was thrown over.
I couldn't cut fish until the end of the year.
So when you cut fish up, they don't scream.
Fishing knives are used for cutting open fish.
"I'm still not great at cutting fish, but really it doesn't matter," he said.