One of the 2 gars on WAnimals

Bony fish · Lepisosteiformes · Lepisosteidae

Alligator Gar

Atractosteus spatula

Least Concern

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

The alligator gar, known in Spanish as catán, is a lepisosteiform fish of the family Lepisosteidae, the largest of the gars, which, unlike other fish in its family, has a double row of teeth in its upper jaw.

Weight

up to 137 kg

Size

up to 2.6 m

Lifespan

50 years

Diet

Carnivore

Feeds mainly on other animals.

Sighting difficulty

Easy

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 & biology

Skeleton type
Vertebrate - internal bony skeleton (bony fish)
Habitat & 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 watch it

Parques y spots de buceo donde se ha documentado esta especie — se muestran 12 de 20 documentados.

Related species

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

Keep exploring

Based on what we already know about alligator gar.

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