Fish ear bones, otoliths, teach scientists about marine life and seafood fraud 
By Peter de Kruijff AU Source: ABC Pilbara 1/7/2023
Peter de Kruijff
Credit: DPIRD
Thumbing through the West Australian catalogue of fish ear bones is a bit like looking at the abstract shapes in a modern art gallery.
"They're essentially sculptures and works of art," the state's chief fisheries scientist, Dan Gaughan, says.
 

"Each species of fish [ear bones] is unique in some way from every other fish, some are similar, but each one is slightly different."

More practically, these ear bones — called otoliths — can help detect seafood fraud, manage fish stocks and give an insight into environmental conditions from the years past or even the present.

 
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