Telmatobius verrucosus

Telmatobius verrucosus (Werner, 1899)

 

Male-chaco-water-frog-dorsal-view

Class: Amphibia > Order: Anura > Family: Telmatobiidae > Genus: Telmatobius > Species: Telmatobius verrucosus

Synonym:

Telmatobius jahuira Lavilla and Ergueta, 1995

English names:

Chaco Water Frog

Diagnosis:

Listed as Vulnerable, because its Extent of Occurrence is less than 20,000 km2, its distribution is severely fragmented, and there is a continuing decline in the extent and quality of its wetland habitat.

(1) Snout-vent length of males to 57.7 mm, females to 67.2 mm; (2) head in lateral profile moderately high, with rounded snout; (3) snout rounded in dorsal view; (4) lips not flared; (5) postcommisural gland present, large; (6) tympanum not visible; a strong supratympanic fold; (7) forelimb of males very robust, with no humeral spine; (8) nuptial spicules large, moderately closely arranged; nuptial pad on dorsal and inner surfaces of thumb and separate from inner palmar tubercle; (9) foot webbing variable, from 1/2 to 1/3 of toe lengths; plantar surface smooth; (10) tarsal fold absent; (11) dorsal skin covered with a variable amount pustules, which may be more abundant and larger on head and upper eyelid; (12) dorsum brown or greenish-brown with small black blotches; (13) venter gray with a variable extension of yellowish-orange blotches, more extended on the ventral surface of limbs; (14) iris goldenbronze with black flecks.

Type locality:

This species occurs in the Yungas of the department of La Paz, Bolivia, at an altitudinal range of 3,000-3,600m asl.

Distribution:

Bolivia

Ecology:

This species inhabits upper montane humid forests. It is an aquatic species that has been observed both in streams and under big, flat stones (Lavilla and Ergueta 1995). There is no information on the breeding habits of this species, but it presumably breeds in streams.

Conservation:

IUCN:                              Vulnerable

Bolivia Red Book:         Critically Endangered

Water quality and habitat:

For more information click here

External links:

ICUN Red List of Endangered Species

American Museum of Natural History

Images:

http://www.arkive.org/water-frog/telmatobius-timens/