Set of scaled elevation drawings of the Alligator Gar viewed from the front and side

The Alligator Gar (Atractosteus spatula) is a freshwater fish capable of breathing both in the open air and in water. It is found in North and Central America’s lakes, swamps, bayous, and large rivers living mostly in solitary. The fish is the largest member of the family Lepisosteidae.

The Alligator Gar's razor-sharp teeth, torpedo-shaped body, and glistering scales give it a ferocious look. Its body is also covered in olive or brown color. The fish is an important ingredient in fish sport, and its ganoid scales were used by native Americans and Caribbean people as breastplates, cover plows, and arrowheads.

Alligator Gars have a total length between 5’-6.5’ (1.5-2 m), body height of 7”-9” (17.8-22.9 cm), and an overall weight in the range of 50-125 lb (22.7-56.7 kg). The typical lifespan of the Alligator Gar is 20-50 years.


*Under Development*

7”-9” | 17.8-22.9 cm
5’-6.5’ | 1.5-2 m
50-125 lb | 22.7-56.7 kg
Scientific Name:
Atractosteus spatula
20-50 years


Drawings include:

Alligator Gar side elevation, front

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Freshwater fish are fish that spend some or all of their live in water with a salinity level lower than .05%. Freshwater fish, due to the segmented nature of ponds, lakes, and rivers, are subject to speciation similar to species on islands.