A caissaca is another name for the Brazilian lancehead, Latin name Bothrops moojeni, a venomous snake, a pit viper endemic to South America.

The Bothrops Asper, otherwise known as the ferdelance snake, is the most feared snake in Costa Rica.

Yes. There are venomous snakes in Uruguay including the lancehead snake (genus Bothrops) and some Spiders. Large carnivores such as the jaguar are now extinct in Uruguay.

In Guyana, the labarrias is the common name for a venomous pit viper snake found throughout South America. The labarrias, or bothrops atrox, is a terrestrial snake that often feeds on birds and small mammals.

Snake's Toxic Rank

1 - Inland Taipan (oxyuranus microlepidotus)

2 - Common Indian Krait (bungarus caeruleus)

3 - Philippine Cobra (naja philippinensis)

4 - King Cobra (ophiophagus hannah)

5 - Russell's Viper (cipera russellii)

6 - Black Mamba (dendroaspis polylepis)

7 - Yellow jawed Tommygoff (bothrops asper)

8 - Multibanded krait (bungarus multicinctus)

9 - Tiger Snake (notechis scutatus)

10 - Jararacussu (bothrops jararaacussu)