There are many species of Mackerel.

Family Scombridae:

Atlantic mackerel (Scomber scombrus)

Atlantic chub mackerel (Scomber colias)

Atlantic Spanish mackerel (Scomberomorus maculatus)

Australian spotted mackerel (Scomberomorus munroi)

Blue mackerel (Scomber australasicus)

Broadbarred king mackerel (Scomberomorus semifasciatus)

Chub mackerel (Scomber japonicus)

Double-lined mackerel (Grammatorcynus bilineatus)

Happened mackerel (Happundreus maculatus)

Indian mackerel (Rastrelliger kanagurta)

Indo-Pacific king mackerel (Scomberomorus guttatus)

Indo-Pacific mackerel (Rastrelliger neglectus)

Island mackerel (Rastrelliger faughni)

Japanese Spanish mackerel (Scomberomorus niphonius)

Narrow-barred Spanish Mackerel (Scomberomorus commerson)

King mackerel (Scomberomorus cavalla)

Short(-bodied) mackerel (Rastrelliger brachysoma)

Streaked Spanish mackerel (Scomberomorus lineolatus)

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)

Pacific jack mackerel (Trachurus symmetricus)

Family Hexagrammidae:

Lingcod (Ophiodon elongatus)

Painted greenling (Oxylebius pictus)

Arabesque greenling (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)