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Mackerel is a common name applied to a number of different species of fish, mostly, but not exclusively, from the family Scombridae. They occur in all tropical and temperate seas. Most live offshore in the oceanic environment but a few, like the Spanish mackerel (Scomberomorus maculatus), enter bays and can be caught near bridges and piers. The largest species called "mackerel" is the king mackerel (Scomberomorus cavalla) which can grow to 66 inches (1.68 m). Common features of mackerels are a slim, cylindrical shape (as opposed to the tunas which are deeper bodied) and numerous finlets on the dorsal and ventral sides behind the dorsal and anal fins. The scales are extremely small, if present. They are prized (and are highly harvested^{[citation needed]}) for their meat, which is often very oily, are known for their fighting ability, and are an important recreational and commercial fishery. The meat can spoil quickly, especially in the tropics, causing scombroid food poisoning - it must be eaten on the day of capture, unless cured. For this reason, mackerel is the only fish traditionally sold on a Sunday in London, and is the only common salt-cured sushi.

Contents 1 Species whose common name includes "mackerel" 2 Use as an adjective 3 Other mackerel 4 Predator 5 Trivia

Family Scombridae

• Atlantic mackerel Scomber scombrus
• Atlantic Spanish mackerel Scomberomorus maculatus
• Blue mackerel Scomber australasicus
• Broadbarred king mackerel Scomberomorus semifasciatus
• Chub mackerel Scomber japonicus
• Australian spotted mackerel Scomberomorus munroi
• Double-lined mackerel Grammatorcynus bilineatus
• Happened mackerel Happundreus maculatus
• Indian mackerel Rastrelliger kanagurta
• Indo-Pacific king mackerel Scomberomorus guttatus
• Island mackerel Rastrelliger faughni
• Japanese Spanish mackerel Scomberomorus niphonius
• King mackerel Scomberomorus cavalla
• Spanish mackerel Scomberomorus macula
• Streaked Spanish mackerel Scomberomorus lineolatus
• Spotted Spanish mackerel Scomberomorus guttus

Family Carangidae

• Atlantic horse mackerel Trachurus trachurus
• Blue jack mackerel Trachurus picturatus
• Cape horse mackerel Trachurus capensis
• Cunene horse mackerel Trachurus trecae
• Greenback horse mackerel Trachurus declivis
• Japanese horse mackerel Trachurus japonicus
• Mediterranean horse mackerel Trachurus mediterraneus
• Jack mackerel Trachurus symmetricus

Family Hexagrammidae

• Okhostk Atka mackerel Pleurogrammus azonus
• Atka mackerel Pleurogrammus monopterygius

Family Gempylidae

• Black snake mackerel Nealotus tripes
• Blacksail snake mackerel Thyrsitoides marleyi
• Snake mackerel Gempylus serpens
• Violet snake mackerel Nesiarchus nasutus
• White snake mackerel Thyrsitops lepidopoides

"Mackerel" is also used as an adjective in the vernacular names of other animals or breeds thereof, often used to indicate types with a mackerel-like pattern of vertical stripes:

• Mackerel icefish - Champsocephalus gunnari
• Mackerel pike - Cololabis saira
• Mackerel scad - Decapterus macarellus
• Mackerel shark - several species
• Sharp-nose mackerel shark - Isurus oxyrinchus
• Mackerel trevalla - Seriolella punctata
• Mackerel tuna - Euthynnus affinis
• Mackerel tabby cat - Felis silvestris catus

A mackerel sky is a formation of altocumulus clouds. This cloud formation usually means that there is a large amount of moisture and precipitation headed in the direction of the clouds.

Shearwater, Tuna, Dolphin, Whale, Orca, Seagull, Marlin, Shark, Human, Humboldt squid Hunt Mackerel

The word "mackerel" has achieved minor notoriety in recent years as the subject of a number of word puzzles. The original puzzle is to identify the single London Underground station name which shares no common letters with "mackerel": the answer is St John's Wood. Similarly, Swindon Town is the only UK professional football club, Ohio is the only U.S. State and Fiji, Djibouti and Togo are the only 3 countries in the world with the same property.