If a giant prehistoric salmon isn't scary enough for you, how about one with warthog-like tusks? According to a new study, Oncorhynchus rastrosus possessed just such appendages – even though the fish ...

PORTLAND, Ore. — If you look at pictures of salmon from the prehistoric era, you'll often see them with protruding teeth that pointed downward. But now, research shows that wasn't true. "The previous ...

Oncorhynchus rastrosus, a giant species of salmon that lived in the North American Pacific Northwest a few million years ago, sported a pair of front teeth that projected out from the sides of its ...