''Correlophus sarasinorum'', also called commonly Roux's giant gecko, Sarasins' giant gecko, Sarasin's icgiant gecko (incorrectly), and the suras gecko, is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia al ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Diplodactylidae The Diplodactylidae are a family in the suborder Gekkota (geckos), with over 150 species in 25 genera. These geckos occur in Australia, New Zealand, and New Caledonia. Diplodactylids are the most ecologically diverse and widespread family of ge ...

. The species is native to the southern portions of the outlying New Caledonian island of

Grande Terre Grande means "large" or "great" in many of the Romance languages. It may also refer to: Places *Grande, Germany, a municipality in Germany *Grande Communications, a telecommunications firm based in Texas *Grande-Rivière (disambiguation) *Arroio ...

Etymology

The specific name, ''sarasinorum'' (masculine, genitive, plural), is in honor of Swiss zoologists Karl Friedrich Sarasin and Paul Benedict Sarasin, who were cousins.Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (''Rhacodactylus sarasinorum'', p. 233).

Conservation status

''C. sarasinorum'' is currently being evaluated by

CITES CITES (shorter name for the Convention on International Trade in Endangered Species of Wild Fauna and Flora, also known as the Washington Convention) is a multilateral treaty to protect endangered plants and animals from the threats of interna ...

for protective status and is considered vulnerable to extinction in many herpetological circles. It has been found only in six locales in its native habitat.

Description

Since there is a considerable variation in snout-to-vent length (SVL) of ''C. sarasinorum'', which ranges from 3.5 to 5.5 inches (9 to 14 centimeters), it has been suggested that more than one subspecies exists; there is no universal consensus on this point. The basic color of the suras gecko is brown to gray. Two color patterns exist. A white spotted version is the

recessive In genetics, dominance is the phenomenon of one variant (allele) of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome. The first variant is termed dominant and ...

trait, and a white "V" pattern is the dominant trait. The gecko's appearance has often been described as similar to a large ''

Correlophus ciliatus ''Correlophus'' is a genus of lizards in the family Diplodactylidae endemic to New Caledonia. It includes three species: *'' Correlophus belepensis'' Bauer ''et al.'', 2012 *'' Correlophus ciliatus'' Guichenot, 1866 (formerly included in ''Rhaco ...

'', with larger eyes.

Habitat

The preferred natural

habitat In ecology, the term habitat summarises the array of resources, physical and 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 ...

s of ''C. sarasinorum'' are

forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...

and

shrubland Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominated by shrubs, often also including grasses, herbs, and geophytes. Shrubland may either occur naturally or be the result of human activity. It ...

, at altitudes of .

Behavior

''C. sarasinorum'' is

nocturnal Nocturnality is an ethology, animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnality, diurnal meaning the opposite. Nocturnal creatures generally have ...

, and less

arboreal Arboreal locomotion is the locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some animals may scale trees only occasionally, but others are exclusively arboreal. The habitats pose num ...

than the other ''

Rhacodactylus ''Rhacodactylus'' is a genus of medium to large geckos of the family Diplodactylidae. All species in this genus are found on the islands that make up New Caledonia. Genus characteristics include long limbs and toes with well-developed lamellae. ...

'' (''

sensu lato ''Sensu'' is a Latin word meaning "in the sense of". It is used in a number of fields including biology, geology, linguistics, semiotics, and law. Commonly it refers to how strictly or loosely an expression is used in describing any particular c ...

'')

gecko Geckos are small, mostly carnivorous lizards that have a wide distribution, found on every continent except Antarctica. Belonging to the infraorder Gekkota, geckos are found in warm climates throughout the world. They range from . Geckos ar ...

s. It is often found hiding under the leaf litter or under loose bark. This species has an animal instinct of sleeping on top of plants or in small trees face up preventing the common FTS (Floppy Tail Syndrome) caused by the gecko sleeping upside down.

Diet

''C. sarasinorum'' is an

omnivore An omnivore () is an animal that has the ability to eat and survive on both plant and animal matter. Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates, protein, fat, and fiber, and metabolize the nut ...

and is also considered to be frugiverous. In the wild it eats

insects Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs ...

and

fruit In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in partic ...

Reproduction

The female ''C. sarasinorum'' lays two eggs which are buried in a soft, damp substrate. The eggs hatch 60–90 days after being laid.

In captivity

The species ''C. sarasinorum'' is sometimes seen in captivity.