The belly has a distinct "keel" of modified, saw-toothed scales called scutes.
It features a blue-green to gray back that abruptly transitions to silvery-white sides and a white belly. Some individuals exhibit a golden-green or blue reflection. alosa chrysocloris
Alosa chrysochloris , commonly known as the or Skipjack Shad , is a migratory North American fish species belonging to the herring family, Clupeidae. Renowned for its habit of leaping out of the water while feeding, it is often nicknamed the "Tennessee Tarpon" or "Blue Herring". It serves a vital ecological role as the primary host for the larvae of several economically and ecologically valuable freshwater mussels. Physical Description The belly has a distinct "keel" of modified,