The head is narrow compared to the body, usually with distinctive orange-yellow striping on either side. The color pattern consists of an olive green background overlaid with black blotches along the length of the body. In 1937, a specimen shot in Guyana measured 5.9 m (19 ft 4 in) long and weighed 163 kg (359 lb 6 oz). Jesús Antonio Rivas, who had examined more than 1,000 anacondas, was a female 5.21 m (17 ft 1 in) long and weighing 97.5 kg (214 lb 15 oz). The longest and heaviest verified specimen encountered by Dr. Reports of anacondas 11–12 m (35–40 ft) or even longer also exist, but such claims must be regarded with caution, as no specimens of such lengths have ever been deposited in a museum and hard evidence is lacking.
Although it is slightly shorter than the reticulated python, it is far bulkier the bulk of a 5.2-metre (17 ft 1 in) green anaconda is comparable to that of a 7.4-metre (24 ft 3 in) reticulated python. It is the largest snake native to the Americas. Weights are less well studied, though reportedly range from 30 to 80 kg (66 to 176 lb) in a typical adult.
More typical mature specimens reportedly can range up to 5 m (16 ft 5 in), with adult females, with a mean length of about 4.6 m (15 ft 1 in), being generally much larger than the males, which average around 3 m (9 ft 10 in). The green anaconda is the world's heaviest and one of the world's longest snakes, reaching a length of up to 5.21 m (17 ft 1 in) long. The green anaconda's specific name is derived from the Latin murinus, meaning 'of mice', for being thought to prey on mice.ĭescription E. Etymology įurther information on etymology of generic name: Eunectes § Etymology Fossils of the snake date back to the Late Pleistocene in the Gruta do Urso locality. The term " anaconda" often refers to this species, though the term could also apply to other members of the genus Eunectes. Like all boas, it is a non-venomous constrictor. It is the largest, heaviest and the second longest (after Reticulated python) snake in the world. The green anaconda ( Eunectes murinus), also known as the giant emerald anaconda, common anaconda, or common water boa, is a boa species found in South America and the Caribbean island of Trinidad.
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