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Their common name was derived from their resemblance to the American alligator, particularly their broad snouts and long, sharp teeth. It is suggested that an alligator gar can grow up to 10 ft (3.0 m) in length. The body of an alligator gar is torpedo-shaped, usually brown or olive colored, fading to a lighter gray or yellow ventral surface
[34] [48] Like the longnose gar, it has one row of teeth. The upper jaw is longer than the rest of its head. [48] The shortnose gar is deep green or brown in color, similar to the alligator gar. [34] [48] Depending on the clarity of water, spots can be present on the caudal, dorsal, and anal fins. [48]
Alligator Gar from video Alligator gar head, showing dual rows of teeth, from video. The Alligator Gar: Predator or Prey? was a 28 minute video that discussed the biology of this "living fossil", one of the few species that can breathe both air and water, as well as its commercial and sportfishing aspects. [2]
Alligator gar Jeremy travels to the Trinity River in Texas, USA to discover the truth behind the alligator gar, a massive predator blamed for horrifying attacks on people. Reports claim this fish is more dangerous than a man-eating shark. With huge jaws and two rows of needle-sharp teeth, the gar proves an elusive opponent.
Atractosteus grandei is an extinct species of gar in the family Lepisosteidae.Remains have been found in Lower Paleogene sediments from North Dakota. A. grandei belonged to the genus Atractosteus which includes modern day species of gars such as the giant alligator gar (Atractosteus spatula) and the tropical gar (Atractosteus tropicus).
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The mineral texture of alligator gar scales consists of bundles of cross-plied hydroxyapatite minerals oriented towards the scale's surface. Ganoine or ganoin is a glassy, often multi-layered mineralized tissue that covers the scales , cranial bones and fin rays in some non-teleost ray-finned fishes , [ 1 ] such as gars and bichirs , as well as ...
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