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  3. Alligator Gar

One of the 2 gars on WAnimals

Alligator Gar (Atractosteus spatula)

Bony fish · Lepisosteiformes · Lepisosteidae

Alligator Gar

Atractosteus spatula

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

The alligator gar is a lepisosteiform fish of the family Lepisosteidae and the largest of the gars; unlike other fish in its family, it has a double row of teeth in its upper jaw.

Weight

up to 137 kg

Size

up to 2.6 m

Life expectancy

50 years

Diet

Carnivore

Feeds mainly on other animals.

Sighting difficulty

Easy

Freshwater
3countries18parks2dive sites1same family

AI-generated images: illustrations, not photographs.

Fun facts

  • It is one of the largest freshwater fish in North America: the published record is around 137 kg.
  • Its roe is toxic to humans even though the flesh is edible.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (bony fish)
Habitat and environment
Large rivers, lakes, bayous and backwaters of the Mississippi basin and the Gulf of Mexico coastal plain; it also enters brackish water

Sources consulted: https://es.wikipedia.org/wiki/Atractosteus_spatula

Where to find it

See its range on the interactive map→
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The pins mark the parks and dive sites where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 12 of 20.

Related species

Other species in the catalogue with the most in common with Alligator Gar — same habitat, park, country, tags or family.

Same taxonomic family
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Keep exploring

Based on what we already know about alligator gar.

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See full glossary
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CountriesUnited States
ParksEvergladesUnited States
TagsCarnivore
Carnivore
Fish
Freshwater
United States
Canada
Mexico