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The Agamidae Family of Lizards. Agave americana Linnaeus 1753 Agave americana Is the type species for the genus Agave. Agamids typically have scaly bodies, well-developed legs, and a moderately long tail; average body size ranges from 10 to 15 cm (4 to 6 inches), and the tail is 20 to 30 cm (8 to 12 inches) long, though the Knuckles Pygmy Lizard (Cophotis dumbara) is a agamid species endemic to Sri Lanka. One of the key distinguishing features of the agamids is their teeth, which are borne on the outer rim of their mouths (acrodonts), rather than on the inner side of their jaws (pleurodonts). Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Corrections? The members of the Agamidae family of lizards are geographically widespread and varied in appearance. Agamid lizards are generally diurnal, with good vision, and include a number of arboreal species, in addition to ground- and rock-dwellers.
Our editors will review what you’ve submitted and determine whether to revise the article. (2000) and Honda et al. This group of lizards includes some more popularly known, such as the domesticated bearded dragon, Chinese water dragon and Uromastyx species. Image: Red-headed rock agama in the wild. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.
Agamids inhabit tropical rainforests and mountain forests as well as deserts and steppes throughout most of the Old World, but they are found primarily in Australia, southern Asia, and Africa. Known only from Knuckles Mountain Range. Over 100 pages of care advice.
The Agamidae family of lizards, or agamids, includes over 300 species of lizards spread mostly through Asia, Africa and Australia (with a few species in Europe). Other agamid species, like the aptly named hydrosaurus, have unique foot scales that allow them to run bipedally (on two legs) across water to escape predators. Squamata >> Agamidae. This amazing photo was taken by a Wikipedia contributor.  Many agamid species are capable of limited change of their colours to regulate their body temperature. Several species of agamids have the ability to change their color, similar to a chameleon in that regard. .
Characteristics of Agamid Lizards They generally feed on insects and other arthropods (such as spiders), although some larger species may include small reptiles or mammals, nestling birds, flowers or other vegetable matter in their diets. If you would like to write a species profile about one of these lizards (or a lizard that's not listed), check out our guest author program.
Many species are commonly called dragons or dragon lizards. As with their color diversity, the agamid lizards have evolved a variety of survival skills. This species is probably the Agave most commonly grown as an ornamental plant, and has spread throughout the temperate and tropical areas of the world. Contrary to an Acrodonta clade, some research suggests that Iguanidae sensu lato is paraphyletic with respect to Agamidae. This feature is shared with the chameleons, but is otherwise unusual among lizards.
Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students.ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Omissions? Design: HTML5 UP. Agamids typically have scaly bodies, well-developed legs, and a moderately long tail; average body size ranges from 10 to 15 cm (4 to 6 inches), and the tail is 20 to 30 cm (8 to 12 inches) long, though the family varies widely. (2000) and also by sampling across the Agamidae by Joger (1991). The first comprehensive assessment was by Moody (1980) followed by a more inclusive assessment by Frost and Etheridge (1989). Over 100 pages of corn snake care advice, in e-book format. They are particularly diverse in Australia. Their tails cannot be shed and regenerated like those of geckos (and several other families such as skinks), though a certain amount of regeneration is observed in some.
This article was most recently revised and updated by, https://www.britannica.com/animal/Agamidae, British Broadcasting Corporation - Agamid lizards. Agamidae is a family of over 300 species of iguanian lizards indigenous to Africa, Asia, Australia, and a few in Southern Europe.  The great majority of agamid species are oviparous.. A similar faunal divide is found in between the boas and pythons. Many species are commonly called dragons or dragon lizards.  Subsequent studies were based on mitochondrial DNA loci by Macey et al. All rights reserved. They argue that the two agamid subfamilies should be subsumed within a larger Chamaeleonidae, but the literature continues to reflect the traditional classification. Updates? Aside from that, the appearance of agamids is highly diverse, ranging from the brightly colored species shown above to more "bland" species. Because of extensive propagation, its exact origin is uncertain although it probably came from Mexico. Phylogenetically, they may be sister to the Iguanidae, and have a similar appearance. Download yours today!
The distribution is the opposite of that of the iguanids, which are found in just these areas but absent in areas where agamids are found. Agamids usually have well-developed, strong legs.
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