Mackerel

These fish have high levels of contaminants

These fish have low levels of contaminants

Mackerel mature quickly, making them resilient to fishing pressure.
The type of fishing gear usually used to catch mackerel — purse seines and gillnets — result in low to moderate bycatch.
Atlantic and Spanish mackerel populations have both rebounded as a result of stronger regulations.
However, you should limit how much Spanish mackerel you eat because of mercury contamination (see below).

Serving = 100 g of raw edible food, wild species.

Source:

More About Mackerel

Like their tuna relatives, mackerel migrate long distances.

This guide is produced in collaboration with the Monterey Bay Aquarium.