Monstrous prehistoric salmon had "tusks like a warthog"

Monstrous prehistoric salmon had "tusks like a warthog" 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 likely fed on tiny plankton. With an estimated length of up to 8.9 ft (2.7 m) and weight of 440 lb (200 kg), O. rastrosus was the largest salmon to ever exist. It lived 11 to 5 million years in …