Fish · GBIF taxon 2346754
Alligator Gar
Atractosteus spatulaAlso known as Gator Gar, Greater Gar
The Alligator Gar is a massive long-bodied fish armored in diamond-shaped ganoid scales and equipped with a broad alligatorlike snout bearing two rows of sharp upper teeth. It surfaces to gulp air, allowing it to use warm low-oxygen backwaters.
Air-breathing FishGanoid ScalesApex Predator
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & prey
- Fish
- Crustaceans
- Waterbirds
Predators
- American Alligators
- Large catfish
- Wading birds
ThreatsDams and floodplain disconnection, overharvest, deliberate killing, pollution, wetland loss, and slow reproductive recovery
HabitatsLarge slow rivers, floodplain lakes, bayous, reservoirs, backwaters, coastal marshes, and brackish estuaries
Life spanFemales can live for 50 years or more, while males generally have shorter lives
Size / weightNot available
Classification
- FamilyLepisosteidae
- SpeciesAtractosteus spatula
Range data is not available yet.
Interaction riskHigh
- Low
- Moderate
- High
- Very high
- Why interaction risk is high
- Gar eggs are poisonous, and a restrained fish's teeth can cause deep wounds; never handle or consume roe.
- Why it is dangerous
- Alligator Gar roe contains a potent toxin, while the jaws and hard scales of a captured fish can cause serious lacerations.
- How to recognize a risky encounter
- A very large gar with a broad short snout, paired rows of upper teeth, and thick diamond-shaped scales.
- What to do
- Never consume the eggs or restrain a wild fish by hand; follow regulations and seek experienced help for release.
Responsible observation
- Surface: Watch calm water for a slow roll and air gulp rather than approaching the fish.
- Shape: Note the very broad snout and heavy diamond-patterned armor.
- Angling: Follow local regulations and use trained methods that keep hands away from the jaws.
Help improve the field guideSomething wrong?
Checking your Fauna account…Report a name, category, or profile issue for review.

