Animalia > Chordata > Squamata > Xantusiidae > Xantusia > Xantusia riversiana

Xantusia riversiana (Island Night Lizard)

Synonyms: Klauberina riversiana; Xantusia riversiana reticulata (heterotypic)

Wikipedia Abstract

The island night lizard (Xantusia riversiana) is a species of night lizard native to three of the Channel Islands of California: San Nicolas Island, Santa Barbara Island, and San Clemente Island. A small number of island night lizards also live on Sutil Island, near Santa Barbara Island.
View Wikipedia Record: Xantusia riversiana

Infraspecies

Xantusia riversiana reticulata (San Clemente Night Lizard)
Xantusia riversiana riversiana (San Nicolas Night Lizard)

Attributes

Adult Weight [1]  17.3 grams
Birth Weight [2]  1 grams
Female Weight [2]  15 grams
Habitat Substrate [3]  Saxicolous, Terrestrial
Litter Size [2]  4
Litters / Year [2]  1
Maximum Longevity [4]  14 years
Reproductive Mode [3]  Viviparous
Snout to Vent Length [2]  3.15 inches (8 cm)

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
California coastal sage and chaparral Mexico, United States Nearctic Mediterranean Forests, Woodlands, and Scrub

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Channel Islands National Marine Sanctuary   California, United States
Channel Islands National Park II 139010 California, United States

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States Yes

Consumers

Parasitized by 
Alaeuris clementensis[5]
Alaeuris riversianae[5]
Parapharyngodon pseudothaparius[5]
Parapharyngodon xantusi[5]

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
1Length–weight allometries in lizards, S. Meiri, Journal of Zoology 281 (2010) 218–226
2Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
3Meiri, Shai (2019), Data from: Traits of lizards of the world: variation around a successful evolutionary design, Dryad, Dataset, https://doi.org/10.5061/dryad.f6t39kj
4de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0