The Alligator Gar (Atractosteus spatula) is a unique and ancient fish species known for its distinctively long snout and sharp teeth, resembling an alligator. This species is among the ... The Alligator Gar (Atractosteus spatula) is a unique and ancient fish species known for its distinctively long snout and sharp teeth, resembling an alligator. This species is among the largest freshwater fish in North America, capable of growing over 10 feet in length and weighing up to 300 pounds. They inhabit slow-moving rivers, lakes, and bayous. Despite their fearsome appearance, they are generally not a threat to humans. Alligator Gars are known for their bony scales and are a critical part of their ecosystem, helping maintain the balance of fish populations.Click here to read more about Alligator Gar.