A copper rockfish from the Vancouver Aquarium in Canada was getting bullied by other fish because he was missing an eye, but veterinarians fixed that.
The rockfish had cataracts that did not heal, so one of his eyes had to be removed two years ago. He has been harassed by the other fish for months.
"We do find that when fish are blind from one eye and there's no visible eye then other fish kind of recognise that and they will attack from that side," said Dr. Martin Haulena. "It's cosmetic for sure but there's definitely an animal welfare component to putting in the prosthetics."
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