A new paper says a giant salmon that lived five million years ago in the coastal waters of the Pacific Northwest used tusk-like spikes as defense mechanisms and for building nests to spawn. The initial fossil discoveries of the 2.
A new paper says a giant salmon that lived five million years ago in the coastal waters of the Pacific Northwest used tusk-like spikes as defense mechanisms and for building nests to spawn.
The now-extinct fish was dubbed the"saber-tooth salmon," but the study published in the peer-reviewed journal PLOS One today renames it the"spike-toothed salmon" and says both males and females possessed the"multifunctional" feature. Davis, an associate professor in the department of earth sciences at the University of Oregon, says he was surprised to see the skulls had"sideways teeth."
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