Identify Some Morphorogical and Biological Study of Gar or Alligator Fish Atractosteus spatula (Lepisosteiformes : Lepisosteidae ) ( Lacepede ,1803 )

摘要

This study attempt to highlight some aspects and the vital characteristics of the Gar or Alligator fish, also known as the Atractosteus spatula. These aspects include some of the behavior characteristics in family and the pattern of nutrition, in addition to some Morphorogical and Biological features that characterize this species such as body shape, and the ear's bone, especially it was recorded for the first time in the Iraqi waters in 2017 within the extraneous fish on the Iraqi water environment.