Merriam-Webster Collegiate Dictionary - snapper

 noun  (plural ~s)  Date: circa 1587  1. one that snaps: as  a. something (as a remark) that gives new orientation to a situation or utterance  b.  (1) snapping turtle  (2) click beetle  2. plural also ~  a. any of numerous active carnivorous fishes (family Lutjanidae) of warm seas important as food and often as sport fishes  b. any of several immature fishes (as the young of the bluefish) that resemble a ~