Fauna
Fish

Longnose Gar

Lepisosteus osseus

Also known as Longnose Garpike, Billy Gar, Needlenose Gar

Longnose gars lie motionless near the water surface, resembling floating logs until they strike fast-swimming prey with a lightning-quick side swipe. Their needle-like snouts contain rows of fine, sharp teeth perfectly suited for trapping small fish, while diamond-shaped ganoid scales form an interlocking chainmail armor. Capable of breathing atmospheric air using a vascularized swim bladder, these ancient predators thrive in warm, low-oxygen backwaters across North America.

Ancient LineagePredatorFreshwater
Longnose Gar reference1 / 7
(c) Matt Muir, some rights reserved (CC BY) · cc-by
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & preyMinnows, Gizzard Shad, Crayfish
Predators
  • Osprey
  • Alligators
  • Larger predatory fish
ThreatsHabitat degradation, dam construction, targeted eradication by anglers
HabitatsSlow rivers, lakes, reservoirs, swamps, brackish estuaries
Life span15–20 years (females can exceed 30 years)
Classification
  1. OrderLepisosteiformes
  2. FamilyLepisosteidae
  3. GenusLepisosteus
  4. SpeciesLepisosteus osseus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskHigh
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is high
Gar roe is toxic if ingested, and their sharp teeth and interlocking scales can cause painful cuts if handled.
Why it is dangerous
Gar eggs contain toxic proteins that cause severe vomiting and headache if eaten, while the fish's teeth and scales inflict lacerations.
How to recognize a risky encounter
Recognized by an elongated snout more than twice the length of its head and heavily armored ganoid scales.
What to do
Observe safely from shore or boat, and use a net or heavy pliers to unhook fish without direct contact.
Responsible observation
  • Spotting: Watch calm, sunlit river backwaters for long, slender shapes floating near the surface.
  • Handling: Keep hands clear of the mouth and sharp scale edges if brought aboard a boat.
  • Safety: Never consume gar eggs or feed them to pets because they contain hazardous toxins.
Related species
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