Definition of "jack mackerel" []

• A common food and game fish (Trachurus symmetricus) of Pacific coastal waters. Also called saurel. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Anchoveta, like jack mackerel, reflect a telling microcosm of this global crisis."