Charles Darwin
Fonseca's Lancehead (Bothrops fonsecai)

Fonseca's Lancehead

Bothrops fonsecai

About the Fonseca's Lancehead

Bothrops fonsecai, or Fonseca's lancehead, is a species of venomous snake in the family Viperidae. It is endemic to Brazil.

Key Facts

  • Rarely spotted - fewer than 100 recorded observations!

Classification

Frequently Asked Questions

What is the scientific name of the Fonseca's Lancehead?

The scientific name of the Fonseca's Lancehead is Bothrops fonsecai.

How many Fonseca's Lancehead sightings have been recorded?

63 observations of the Fonseca's Lancehead have been recorded on iNaturalist.

63 observations on iNaturalist

Featured in Beat Darwin

The Fonseca's Lancehead was Beat Darwin's Animal of the Day on challenge #223 — October 20, 2026. Can you identify it in 3 attempts?

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