The Green anaconda (Eunectes murinus) is a boa species found in South America. It is the heaviest and one of the longest-known extant snake species. Like all boas, it is a non-venomous constrictor.
The yellow anaconda (Eunectes notaeus ), also known as the Paraguayan anaconda, is a boa species endemic to southern South America. It is one of the largest snakes in the world but smaller than its close relative, the green anaconda. Like all boas...
The Dark-spotted anaconda (Eunectes deschauenseei) is a semi-aquatic boa species endemic to northeastern South America. Like all boas, it is a non-venomous constrictor.
Eunectes stirtoni is an extinct species of anaconda that lived during the Middle Miocene (Laventan) in the area of the present-day Tatacoa Desert. Fossils of the species have been found in the Honda Group at La Venta, Colombia. The validity of this...
The Bolivian anaconda is the most recently defined boa species. Like all boas, it is nonvenomous and is closely related to the Yellow anaconda and the Dark-spotted anaconda.
