Photo: A gar

The prehistoric-looking gar is a voracious predator with a mouthful of sharp teeth. They usually drift motionless near the surface waiting for smaller fish to swim by.

Photograph by Brian Montague/U.S. Fish and Wildlife Service

Map

Map: Gar range

Gar Range

Fast Facts

Type:
Fish
Diet:
Carnivore
Average life span in the wild:
More than 20 years
Size:
Up to 9.8 ft (3 m)
Weight:
Up to 300 lbs (136 kg)
Did you know?
Despite their potentially enormous size and mouthful of teeth, there have been no recorded incidents of gars attacking humans.
Size relative to a 6-ft (2-m) man:
Illustration: Gar compared with adult man

Looking at a gar is a bit like looking into the distant past. Largely unchanged over the past 100 million years, they are often called living fossils.

Gars are primarily freshwater fish found only in North America, from Montana to southern Quebec to Costa Rica. Their range used to be much more extensive, with fossils being found in Europe, Africa, South Asia, and South America.

Gars, also called garpikes, get their name from the Anglo-Saxon word for spear. They are long and tubular with an oversized, generally elongated snout, although the alligator gar has a short, wide, shovel-shaped bill. Their skin is covered in a coat of hard, diamond-shaped scales that create a protective armor.

They are ferocious-looking and can be huge, with some species reaching almost 10 feet (3 meters) in length and weighing up to 300 pounds (136 kilograms). Voracious and efficient predators, gars have large mouths packed with sharp, pointed teeth. They are generally sluggish fish but are capable of impressive bursts of speed. They usually drift motionless near the surface waiting for smaller fish to swim by. When prey approaches, they whip their heads around and snare their victim, often sideways, then turn it to swallow headfirst.

One of the reasons they’ve survived as long as they have is their ability to thrive in even the most inhospitable waters. They have a swim bladder that they can fill by gulping air, which they use to supplement their gill breathing in low-oxygen environments.

There are seven known species of gar, and all are quite abundant in their ranges. In the Southeastern United States, where the alligator gar lives, they are prized by sport fishermen for the fierce fight they give when hooked. Gar meat is edible, but is extremely bony and rarely consumed. Gar eggs are highly toxic to humans.

Fish Features

  • Photo: Skunk clownfish

    Beautiful Friendship

    Meet the clownfish, the crown jewel of coral reefs. Dive in and discover real Nemos in this National Geographic magazine feature.

  • Photo: School of needlefish gliding under the surface

    Photo Gallery: Ocean Wildlife

    Take a dip to discover some of the incredible wildlife that make their home in the ocean, from sea turtles and bearded seals to poisonous jellyfish and starfish.

  • Photo: Shark swimming in water

    An Uneasy Eden

    Discover a pristine reef where sharks reign supreme in this National Geographic magazine feature.

  • Photo: Coral reef with fish

    Ocean Now

    Join underwater explorer Enric Sala as he explores untouched reefs.

  • Photo: Sailfish hunting school of small fish

    In the Whirl

    Follow the hunt as sailfish prowl through blue waters.

Adobe Flash Player This requires the latest version of Flash Player. Click here to download.

Shop Animals and Nature

Blogs

  • 025577.jpg

    NatGeo NewsWatch

    Keep current on developments in science, nature, and cultures.

  • Photo: Cesar Milan

    Dog Whisperer

    Get the inside story as Cesar Millan helps problem dogs and their owners.

  • Photo: Adventure by boat

    BlogWild

    National Geographic explorers share tales (and photos) of their adventures.