Eunectes beniensis is aboaspecies known only from the northeastern parts ofBolivia.[1][3] Its common names, theBolivian anaconda andBeni anaconda, are derived from the geographic location of its native habitat: theBeni area of Bolivia. Like all boas, it is nonvenomous.
Eunectes beniensis is a species of boa, reaching between 3.3–4.4 meters (11–14 ft) in length and can weigh up to 35 kilograms (77 lb).[citation needed] It was initially believed to be the result of hybridization between the green (Eunectes murinus) and yellow anaconda (Eunectes notaeus), but was later determined to be a distinct species. Its taxonomic status is unclear due to lack of information and the similarity in appearance toEunectes notaeus. It is closely related toEunectes notaeus andEunectes deschauenseei.
The Bolivian anaconda's habitat usually consists of wetlands and other muddy, swampy or flooded areas. It is known only from northern Bolivia.
In April 2022, three researchers published data on an observation ofBolivian river dolphins playing with a large (presumably deceased)E. beniensis specimen.[4][5]
Dirksen, Lutz (1995).Zur Reptilienfauna Boliviens unter spezieller Berücksichtigung taxonomischer und zoogeographischer Aspekte (MSc) (in German). Bonn: Universität Bonn.
Dirksen, Lutz (2000).Monographische Revision der GattungEunectes Wagler, 1830 (Serpentes, Boidae) (PhD) (in German). Bonn: Universität Bonn.
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