1) Louvar 2) Skipjack 3) Squaretail 1) Percoid 2) Percoid fish 3) Percoidean 4) Scombroid fish 
Scombroid is used as a descriptor used for: ...
• (n.) Any fish of the family Scombridae, of which the mackerel (Scomber) is the type. • (a.) Like or pertaining to the Mackerel family.
Scom'broid (skŏm'broid) adjective [ Scomber + -oid .] (Zoology) Like or pertaining to the Mackerel family. -- noun Any fish of the family Scombridæ , of which the mackerel ( Scomber ) is the type. 
[n] - important marine food and game fishes found in all tropical and temperate seas
scombroid fish noun important marine food and game fishes found in all tropical and temperate seas; some are at least partially endothermic and can thrive in colder waters