Description: Color blue or greenish blue on back, sides silvery; mouth large; teeth prominent, sharp, and compressed; dorsal and anal fins nearly the same size; scales small; lateral line almost sraight.
Similar Fish: Blue runner, C. crysos.
Where Found: Young usually inshore spring and summer, moving offshore to join adults fall and winter; strong migration of northeast Atlantic stock to Florida east coast in winter.
Size: Most west coast catches under 3 pounds, much larger on east coast.
Remarks: travels in large schools, following schools of baitfish; cannibalistic; all members of a given school about the same size; spawning occurs offshore in spring and summer.