Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. About five million years ago, the North American Pacific Northwest ...

A massive prehistoric salmon had tusk-like teeth that protruded from either side of its snout, a new study finds. Scientists have long been intrigued by O. rastrosus‘s exceptional teeth, a physical ...

An artist’s rendering of a complete female spike-toothed salmon with an accurate tooth configuration. (Ray Troll/PLOS One via Courthouse News) (CN) — At 8.9 feet long, Oncorhynchus rastrosus was the ...

Many animal families include an enormous extinct relative with impressive teeth — for example, the dire wolf (Aenocyon dirus) or sabre-toothed cats. The salmon family also has such an ancestor.

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 ...