skipjack.

Any of several not closely related fish. Several of the genus Euthynnus resembling tuna

Any of several not closely related fish. A skipjack tuna (Katsuwonus pelamis)

Any of several not closely related fish. A common bluefish (Pomatomus saltatrix)

Any of several not closely related fish. An alewife (Alosa pseudoharengus)

Any of several not closely related fish. A bonito (Sarda spp. etc.)

Any of several not closely related fish. A butterfish

Any of several not closely related fish. A cutlass fish (Trichiuridae spp.)

Any of several not closely related fish. A jurel (Caranx or Trachurus)

Any of several not closely related fish. A leatherjacket, leatherjack (genus Oligoplites)

Any of several not closely related fish. A runner (Elagatis pinnulatis)

Any of several not closely related fish. A saurel (Trachurus spp.)

Any of several not closely related fish. A saury (Scomberesocidae spp.)

Any of several not closely related fish. A threadfish (Alectis spp.)

An upstart.

An elaterid; a click beetle.

A shallow sailboat with a rectilinear or V-shaped cross section.