escolar
noun
es·co·lar ˌe-skə-ˈlär 
plural escolar or escolars
: a large widely distributed rough-scaled scombroid fish (Lepidocybium flavobrunneum) that resembles a mackerel
Example Sentences
Recent Examples on the Web The two cooking methods brought out the oily silkiness of the escolar, which made the roll even more rich when coupled with fried garlic, avocado slivers and mushroom cream. 
Lauren Delgado, OrlandoSentinel.com, 30 June 2018
Lauren Delgado, OrlandoSentinel.com, 30 June 2018 Word History
Etymology
Spanish, literally, scholar, from Medieval Latin scholaris — more at scholar
First Known Use
circa 1890, in the meaning defined above