Mackerel

Mackerel are running in Salem Sound.   Brendt and Ryan hit them big on Tinker's Buoy as they fished for live bait.
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When I was a kid, we used to eat them.  They are strong tasting,  dark and oily, but if you like fish, still good.  And highly nutritious... twice as much Omega3 oil as salmon.
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They also put up a nice fight for a small fish and are a lot of fun to land with light tackle.  Good lobster trap bait too.