Farmed salmon have ear malformations

Farm-raised salmon have deformed bones in at least one ear, according to a paper published in the journal Scientific Reports. If that trait entered the wild salmon population, it could affect their ability to find food, navigate and avoid predators, although researcher Allison Coffin said salmon are not known for having very good hearing. Normal otoliths in salmon are made of aragonite, but the deformed otoliths consisted mostly of vaterite, an irregular and less dense material.

Newsweek (4/28)

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