|Scientific Name:||Phelsuma nigristriata|
|Species Authority:||Meier, 1984|
|Taxonomic Notes:||This species represents one of three separate colonization events of the Comoros archipelago by the genus Phelsuma, as inferred by Rocha et al. (2009).|
|Red List Category & Criteria:||Vulnerable D2 ver 3.1|
|Assessor(s):||Hawlitschek, O. & Glaw, F.|
|Reviewer(s):||Bowles, P. & Cox, N.A.|
This species is restricted to pristine humid forests, where the population is presumed to be severely fragmented, and there is a plausible risk that ongoing degradation of pristine forests on Mayotte will soon extend to altitudes where this species occurs, leading to a continuing decline in the extent and quality of its habitat. Although this decline would not immediately result in the species becoming Critically Endangered or Extinct, as it has an extent of occurrence of 376.6 km² and an area of occupancy of 24.8 km², any increased pressure on its forest habitat would drive it to Critically Endangered in a short time applying Criterion B2ab(iii), due to a reduction in its already small area of occupancy, and the species is therefore listed as Vulnerable under Criterion D2.
|Range Description:||This species is endemic to the island of Mayotte, a French territory in the Comoros archipelago. It has almost exclusively been observed in pristine humid forests 100 m asl or above. Only a few juvenile specimens were observed in areas of degraded forest or plantations adjacent to natural forests (Meirte 1999, Meirte 2004, Hawlitschek et al. in prep.). For extent of occurrence, we assume the area of Mayotte (376.5 km²). As area of occupancy, we assume the area of closed forest above 100 m asl, as based on field surveys and a remote sensing analysis (Hawlitschek et al. in prep.), a total area of 24.8 km².|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||The species can be readily observed in natural forests on Mayotte (Meirte 1999, 2004; Hawlitschek et al. in prep.)|
|Habitat and Ecology:||P. nigistriata is found in pristine humid forests. Specimens are often found in pairs inhabiting Pandanus plants.|
|Use and Trade:||There are no reports of this species being utilized.|
|Major Threat(s):||P. nigristriata is a species of pristine humid forests. In its extent of occurrence, this habitat is severely fragmented and restricted to isolated areas on mountain summits. Although most remaining forest areas on Mayotte are protected, further decreases in extent and quality are expected due to the effects that ongoing population growth and intensive land use on this island have on sensitive habitats (Hawlitschek et al. in prep.).|
No conservation actions are currently known for this species. All native reptile species are protected by law on Mayotte. All members of the genus Phelsuma are listed in appendix II of the CITES regulations. Most observations of this species have been made in forest reserves.
Conservation actions which may benefit P. nigristriata are the maintenance and extension of forest reserves on Mayotte.
|Citation:||Hawlitschek, O. & Glaw, F. 2011. Phelsuma nigristriata. The IUCN Red List of Threatened Species. Version 2015.2. <www.iucnredlist.org>. Downloaded on 29 August 2015.|
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