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The beaded gecko is a terrestrial (ground-dwelling) animal that can be found in a variety of dry desert habitats within mainland Australia from the savannah woodlands to spinifex-covered sandhills. [13] During the day the gecko uses insects and spider holes for shelter before coming out at night to hunt in open areas.
The beaded lizard's venom is a weak hemotoxin, and although human deaths are rare, it can cause respiratory failure. It consists of a number of components, including L-amino acid oxidase, hyaluronidase, phospholipase A, serotonin, and highly active kallikreins that release vasoactive kinins.
The Helodermatidae or beaded lizards are a small family of lizards endemic to North America today, mainly found in the Isthmus of Tehuantepec in Oaxaca, the central lowlands of Chiapas, on the border of Guatemala, and in the Nentón River Valley, [1] though they were formerly more widespread in the ancient past.
Mexican beaded lizard skeleton (Museum of Osteology) The type species is Heloderma horridum , which was first described in 1829 by Arend Wiegmann . Although he originally assigned it the generic name Trachyderma , he changed it to Heloderma six months later, which means "studded skin", from the Ancient Greek words hêlos (ηλος)—the head ...
A moderate-sized gecko, C. bibronii reaches a total length (including tail) of 6 to 8 in (15 to 20 cm). It has a stockier build than most other geckos. The female is generally smaller than the male. Its base color is brown, and it has a beaded pattern dorsally, with black crossbars. The male has white dots; the female may, as well.
The Guatemalan beaded lizard (Heloderma charlesbogerti), also called commonly the Motagua Valley beaded lizard, is a highly endangered species of beaded lizard, a venomous lizard in the family Helodermatidae. The species is endemic to the dry forests of the Motagua Valley in southeastern Guatemala, [5] an ecoregion known as the Motagua Valley ...
The species found in Guatemala is the beaded lizard (Heloderma horridum), which occurs in two subspecies, including the Motagua Valley subspecies (H. h. charlesborgeti), one of the rarest lizards in the world, with a wild population of fewer than 200 animals. Beaded lizard – Heloderma horridum (Wiegmann, 1829)
He suspected that the lizard might be venomous due to the grooves in the teeth. [8] The first drawing of a Gila monster by Baird, S. F. (1857) [8] The Gila monster is the largest extant lizard species native to North America north of the Mexican border. Its snout-to-vent length ranges from 26 to 36 cm (10 to 14 in). The tail is about 20% of the ...