1) Northern Pacific food fish 2) Saltwater fish 
The lingcod, Ophiodon elongatus, or ling cod, is a fish of the greenling family Hexagrammidae. It is the only extant member of the genus ``Ophiodon. A slightly larger, extinct species, Ophiodon ozymandias, is known from fossils from the Late Miocene of Southern California. Ophiodon elongatus is native to the North American west coast from Shumag.....
(Ophiodon elongatus), commercially popular species of fish in the family Hexagrammidae (order Scorpaeniformes). A voracious predator, the lingcod ... [1 related articles]
[n] - the lean flesh of a fish caught off the Pacific coast of the United States 2. [n] - food fish of Northern Pacific waters related to greenlings
A North American Pacific coast fish with a mildly sweet flavor and a firm, lean texture. 
Ophiodon elongatus noun food fish of the northern Pacific related to greenlings