blueback herring

Alosa aestivalis

Summary 1

The blueback shad or blueback herring (Alosa aestivalis) is a species of ray-finned fish in the genus Alosa. These fish are silvery in color, have a series of scutes (modified, spiny and keeled scales) along their bellies, and are characterized by deep bluish-green backs. The most distinguishing characteristic of this species is the black to dusky in color of its peritoneum (the lining of the abdominal cavity). Blueback shad and alewives are difficult to distinguish from...

Fuentes y créditos

  1. (c) Wikipedia, algunos derechos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Alosa_aestivalis

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