dark-spotted anaconda

The dark-spotted anaconda, scientifically known as Eunectes deschauenseei, is a species of large, constricting, water-loving snake native to South America. It is closely related to the yellow anaconda and inhabits seasonally flooded areas along the Amazon River and coastal watersheds in Brazil and between Suriname and French Guiana.1

Anacondas, including the dark-spotted variety, are known for their immense size, with females typically being larger than males. They are carnivorous apex predators that primarily consume fish and other vertebrates, such as caimans, reptiles, mammals, and waterfowl. These snakes kill their prey by constriction, coiling around it until it can no longer breathe.123

Anacondas do not lay eggs; instead, females give birth to live young after incubating eggs internally for up to seven months. While anacondas occasionally attack humans, such encounters are rare.31