Mackerels – Any of a number of swift-moving, streamlined food and sport fishes found in temperate and tropical seas around the world, allied to tunas in the family of Scombridae. Mackerels are rounded and torpedo-shaped, with a slender, keeled tail base, a forked tail, and a row of small finlets behind the dorsal and anal fins. They are carnivorous fishes.
HOLY MACKEREL!!!!! – Phrase commonly used when observing our swimmers in the water.