About Atelopus spurrelli Boulenger, 1914
Size
Description: Male Atelopus spurrelli reach a snout–vent length of 26 mm (1.0 in), while females grow to 34 mm (1.3 in).
Body & Head Shape
This species has an elongated body, and a head that is as long as it is wide.
Skin Texture
Its skin ranges from smooth to finely granular.
Coloration
The dorsum is dark brown to black with irregular yellow to olive green spots, and the belly is uniformly cream to white with small brown spots.
Toxin Content
The skin of Atelopus spurrelli contains tetrodotoxin, though it has less of this toxin than Atelopus spumarius and Atelopus varius.
Habitat Type & Elevation
Habitat and conservation: Atelopus spurrelli lives in primary and secondary tropical humid forest, at elevations between 50–900 m (160–2,950 ft) above sea level.
Microhabitat & Breeding
It inhabits leaf-litter near water, and is presumed to breed in streams.
Population Status
This species can be locally common, but it has declined or completely disappeared from many sites where chytridiomycosis has been recorded.
Threats
It is also locally threatened by deforestation driven by agricultural development, illegal crops, illegal mining, and logging.
Protected Range
The species' range includes multiple protected areas, such as Utría National Park and El Amargal Nature Reserve.
