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This giant extinct salmon had tusks like a warthog

Oncorhynchus rastrosus. CT model of Holotype, UO F-26799, skull in right lateral view with a stylized drawing of the originally proposed “sabertoothed” position of the isolated premaxilla (top-left); UO_A in anterior view of skull, prior to complete preparation and CT scan (bottom-left); Artist’s rendering skull of male iconic fish with accurate spike-tooth configuration (top right); Artist’s rendering of complete female iconic fish with accurate spike-tooth configuration (bottom-right).

The now-extinct salmon species Oncorhynchus rastrosus had ‘tusks’ protruding from its snout (right top and bottom, artist’s illustration; top left, scan of skull with illustration of the originally proposed position of the teeth; bottom left, skull). Credit: K. M. Claeson et al./PLoS One (CC-BY 4.0)

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Nature 629, 11 (2024)



  1. Claeson, K. M., Sidlauskas, B. L., Troll, R., Prescott, Z. M. & Davis, B. E. PLoS ONE 19, e0300252 (2024).

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