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Viperidae

Atlantic Forest bushmaster

Venomous

Lachesis rhombeata

Atlantic Forest bushmaster
Lachesis rhombeata, © Salomão Janderson Ferreira Bispo
Atlantic Forest bushmasterAtlantic Forest bushmaster

3 photographs of the Atlantic Forest bushmaster. © Salomão Janderson Ferreira Bispo.

The Atlantic Forest bushmaster (Lachesis rhombeata) is a venomous snake in the Viperidae family, recorded in 1 country.

If you are bitten

This is a venomous snake. Treat any bite as a medical emergency: stay calm, keep the bitten limb still and roughly level with the heart, remove rings and tight clothing, and get to emergency care immediately. Do not apply a tourniquet, cut the wound, apply ice, or try to suck out venom. Call your local emergency number or poison center.

Family
Viperidae
Danger
high

About the Atlantic Forest bushmaster

Lachesis muta rhombeata, also known as the Atlantic Forest bushmaster, is a venomous pit viper subspecies endemic to the Atlantic Forest of Brazil.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Atlantic Forest bushmaster

Is the Atlantic Forest bushmaster venomous?
Yes. The Atlantic Forest bushmaster (Lachesis rhombeata) is venomous and belongs to the Viperidae family (viper). Its bite is considered high risk to people. Treat any bite as a medical emergency.
Is the Atlantic Forest bushmaster poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Atlantic Forest bushmaster is venomous, delivering venom through a bite.
Is the Atlantic Forest bushmaster dangerous?
This is a venomous snake. Treat any bite as a medical emergency: stay calm, keep the bitten limb still and roughly level with the heart, remove rings and tight clothing, and get to emergency care immediately. Do not apply a tourniquet, cut the wound, apply ice, or try to suck out venom. Call your local emergency number or poison center.
Where does the Atlantic Forest bushmaster live?
The Atlantic Forest bushmaster has verified records in 1 country, including Brazil. See the distribution section below for its full range.

If you are bitten by the Atlantic Forest bushmaster

A venomous snakebite is a medical emergency. Call your local emergency number immediately. In the US, dial 911 or Poison Control at 1-800-222-1222.

Do

  • Get away from the snake and stay calm. Most bites worsen when people panic or try again to handle the snake.
  • Call 911 or Poison Control (1-800-222-1222) right away. Antivenom works best when given early.
  • Note the time of the bite and, from a safe distance, the snake's color and pattern, a phone photo is enough. Do not chase it.
  • Keep the bitten limb still and at roughly heart level. Sit or lie down and limit movement.
  • Remove rings, watches, and tight clothing near the bite before swelling starts.
  • Gently wash the bite with soap and water and cover it with a clean, dry dressing.

Do not

  • Do not cut the wound or try to suck out the venom.
  • Do not apply a tourniquet or ice.
  • Do not drink alcohol or caffeine.
  • Do not take aspirin or ibuprofen, they can worsen bleeding. Acetaminophen is safer for pain.
  • Do not try to catch or kill the snake. A dead snake can still bite by reflex.

First-aid guidance adapted from the U.S. Centers for Disease Control and Prevention (CDC NIOSH), Venomous Snakes. Educational only; always follow the instructions of emergency responders.

Where it is found

More Viperidae snakes

Classification

How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.

OrderThe broad group of scaled reptiles: all snakes and lizards
Squamata
FamilyA group of related snakes that share key traits
Viperidae
GenusA close-knit group of very similar species
Lachesis
SpeciesThis exact snake, named in the two-part scientific name
Lachesis rhombeata

Keep learning

Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.