Science name: Cnemaspis caudanivea – Grismer & Ngo, 2007
Taxonomic: Animalia>> Chordata>> Reptilia>> Squamata >> Gekkonidae >> caudanivea
Species status: Endemic ; IUCN status: VU (Vunerable)
Description:
Physical characteristics: This is the smallest round-eyed gecko in the genus Cnemaspis found in Vietnam. Adults have a maximum snout-vent length (SVL) of 44.0 mm. The species has 8 or 9 supralabials, 7 or 8 infralabials, smooth ventral scales, and no femoral pores. It has 20–24 tubercles along the midline of the body. The species is also characterized by its smooth subcaudals and the brilliant, snow-white posterior 25% of its tail.
Coloration: The dorsal side is gray with black spots separated by off-white, square-shaped patches. The head and snout have irregular brown-red markings, and dark brown stripes with white borders extend from behind the eyes to the sides of the neck. The limbs are marked with uneven stripes, and the tail has alternating black and yellowish-white bands. The ventral side is beige.
Distribution and habitat:
Elevation: Found at elevations ranging from 10 to 100 meters.
Area: Endemic to Hon Tre Island, Kien Hai District, Kien Giang Province, Vietnam.
Habitat: Cnemaspis caudanivea inhabits granite boulders in secondary and primary semi-deciduous forests. It is commonly found in rock cracks and cave-like cavities formed by boulders. During the day, it is active on shady, inclined surfaces, and at night, it moves to the outer exposed surfaces of the boulders.
Behaviour and ecology:
Lifestyle: Cnemaspis caudanivea is diurnal and primarily active during the day, foraging on boulders and in rock crevices. At night, it rests on exposed surfaces of rocks.
Reproduction: Oviparous, laying two eggs in rock crevices or tree hollows during the early rainy season.
Diet: The species feeds on insects found within its distribution range.
Conservation and status:
IUCN Red List Category and Criteria: Vulnerable (D2)
Threats: The species is currently abundant but faces potential threats from development on Hon Tre Island, which could reduce the extent and quality of its habitat. Monitoring and further research are recommended to assess the severity of these threats.
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