This fish must ... look like human teeth. This is due to evolution,' he explained. 'The animal eats shellfish, even pulling mussels and mussels out of rocks, so it needs very strong teeth ...

A new study shows that the ease with which these fish can develop a biological innovation (complex teeth), not just the innovation itself, enables this rapid evolution. Credit: Nick Peoples, UC Davis.

The authors’ discovery of apparently cooked fish teeth would be the earliest documentation of the food preparation method by hominins, the scientists write in the study. Investigating this theory, the ...