Antioxidants in salmon’s diet give the fish their distinctive colour, but internet rumours proliferate about how farmed salmon achieve the same colour.
Shall I order the chicken, or the salmon? What does the science say about reducing pressure on the environment? When you take a big-picture view, the results can be surprising.
Cleaner fish feed on the parasites that live on other fish. Studying communication between cleaner fish and their clients may help employ them in salmon farms, which can be plagued by parasites.