Bothrops fonsecai

Bothrops fonsecai, also known commonly as Fonseca's lancehead, is a species of venomous snake in the family Viperidae. The species is endemic to Brazil.

Etymology
The specific name, fonsecai, is in honor of Dr. Flavio da Fonseca, who was head of the laboratory of parasitology at the Instituto Butantan in São Paulo, Brazil.

Geographic range
B. fonsecai is found in the Brazilian states of Minas Gerais, Rio de Janeiro, and São Paulo.

Habitat
The preferred natural habitat of B. fonsecai is forest, at altitudes up to 1,700 m.

Description
Adults of B. fonsecai have a total length (including tail) of about 1 m.

Behavior
B. fonsecai is terrestrial.

Diet
B. fonsecai preys upon small mammals.

Reproduction
B. fonsecai is ovoviviparous. Litter size is 14 or less.