Anadia Blakei
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''Anadia blakei'', also known commonly as Blake's anadia, is an
endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, inv ...
species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of
lizard Lizard is the common name used for all Squamata, squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most Island#Oceanic isla ...
in the
family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Gymnophthalmidae Gymnophthalmidae is a family of lizards with at least 250 species, sometimes known commonly as spectacled lizards or microteiids. They are called "spectacled" because of their transparent lower eyelids, which allow them to still see with closed ...
. The species is
endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to
Venezuela Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many Federal Dependencies of Venezuela, islands and islets in the Caribbean Sea. It com ...
.


Etymology

''A. blakei'' is named after American ornithologist Emmet "Bob" Reid Blake (1908–1997).


Geographic range

''A. blakei'' is found in the Venezuelan state of
Sucre Sucre (; ) is the ''de jure'' capital city of Bolivia, the capital of the Chuquisaca Department and the sixth most populous city in Bolivia. Located in the south-central part of the country, Sucre lies at an elevation of . This relatively high ...
.


Habitat

The preferred natural
habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...
of ''A. blakei'' is
forest A forest is an ecosystem characterized by a dense ecological community, community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, ...
, at altitudes of .


Description

''A. blakei'' has 28 scales around the body at midbody. It is uniformly brown
dorsally Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provi ...
, and paler ventrally. The
holotype A holotype (Latin: ''holotypus'') is a single physical example (or illustration) of an organism used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of s ...
has a snout-to-vent length (SVL) of , and a broken, incomplete tail.
Schmidt Schmidt may refer to: * Schmidt (surname), including list of people and fictional characters with the surname * Schmidt (singer) (born 1990), German pop and jazz singer * Schmidt (lunar crater), a small lunar impact crater * Schmidt (Martian c ...
(1932).


Diet

''A. blakei'' preys upon
insect Insects (from Latin ') are Hexapoda, hexapod invertebrates of the class (biology), class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (Insect morphology#Head, head, ...
s, insect
larva A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...
e, and
slug Slug, or land slug, is a common name for any apparently shell-less Terrestrial mollusc, terrestrial gastropod mollusc. The word ''slug'' is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced ...
s.


Reproduction

''A. blakei'' is
oviparous Oviparous animals are animals that reproduce by depositing fertilized zygotes outside the body (i.e., by laying or spawning) in metabolically independent incubation organs known as eggs, which nurture the embryo into moving offsprings kno ...
.


Conservation status

''A. blakei'' is considered "Endangered" because of its small geographic range, and because of ongoing habitat loss from
agricultural expansion Agricultural expansion describes the growth of agricultural land ( arable land, pastures, etc.) especially in the 20th and 21st centuries. The agricultural expansion is often explained as a direct consequence of the global increase in food and e ...
and construction of roads and communication antennae.


References


Further reading

* Myers CW, Rivas Fuenmayor G, Jadin RC (2009). "New Species of Lizards from Auyantepui and La Escalera in the Venezuelan Guayana, with Notes on "Microteiid" Hemipenes (Squamata: Gymnophthalmidae)". ''American Museum Novitates'' (3660): 1–31. (''Anadia blakei'', pp. 19–24, Figures 12–14, Table 3). (in English, with an abstract in Spanish). * Rivas GA, Molina CR, Ugueto GN, Barros TR, Barrio-Amorós CL, Kok PJR (2012). "Reptiles of Venezuela: an updated and commented checklist". ''Zootaxa'' 3211: 1–64. * Schmidt KP (1932). "Reptiles and Amphibians of the Mandel Venezuelan Expedition". ''Field Museum of Natural History, Zoological Series'' 18 (7): 159–163. (''Anadia blakei'', new species, pp. 161–162). Anadia (genus) Reptiles of Venezuela Endemic fauna of Venezuela Reptiles described in 1932 Taxa named by Karl Patterson Schmidt {{Gymnophthalmidae-stub