Alcalus tasanae
Smith's wrinkled frog, scientifically known as Alcalus tasanae, is a frog species native to western and southern Thailand, with its range potentially extending into Myanmar. This species is distinguished by its habitat preference for primary rainforests adjacent to streams and is currently facing threats from habitat loss.
Key Facts
- ›Found in western and southern Thailand.
- ›Inhabits primary rainforests near streams.
- ›Threatened by habitat loss.
- ›Belongs to the family Dicroglossidae.
- ›Commonly referred to as Tasan eastern frog, Tasan frog, or Tha san frog.
Tasan Eastern Frog, Tasan Frog, Tha San Frog
Rainforest, Freshwater
Western Thailand, Southern Thailand, Myanmar
- Habitat Preference For Primary Rainforests Near Streams.
About Alcalus tasanae
Smith's Wrinkled Frog (Alcalus tasanae)
Smith's wrinkled frog, scientifically identified as Alcalus tasanae, is a species of frog belonging to the Dicroglossidae family. This amphibian is native to the western and southern regions of Thailand. Its geographical distribution is believed to extend into Myanmar, although official records for this area are yet to be established.
Habitat and Ecology
The preferred natural habitat of Alcalus tasanae is primary rainforests, particularly those situated in close proximity to streams. This preference highlights the species' dependence on specific environmental conditions, including high humidity and the availability of freshwater.
Conservation Concerns
Alcalus tasanae is currently recognized as being threatened, primarily due to habitat loss. The ongoing destruction and alteration of its rainforest environment pose a significant risk to the long-term survival of this species.
Source: Wikipedia ↗
Frequently Asked Questions
Where is Alcalus tasanae found?
Alcalus tasanae is found in western and southern Thailand. Its known range may also extend into Myanmar, though it has not yet been officially recorded there.
What kind of habitat does Smith's wrinkled frog prefer?
Smith's wrinkled frog prefers to live in primary rainforests. It is typically found in close proximity to streams within these forested environments.
What are the common names for Alcalus tasanae?
Alcalus tasanae is commonly known by several names, including Tasan eastern frog, Tasan frog, and Tha san frog.
What is the main threat to Alcalus tasanae?
The primary threat to the survival of Alcalus tasanae is habitat loss. This loss of its natural environment endangers the species.
Related Frogs

Alcalus rajae
Alcalus rajae, also known as the king dwarf mountain frog, is a species of frog endemic to the island of Borneo in Indonesia. This stocky amphibian is distinguished by its uniformly colored brown to blackish dorsal side, short limbs, and discs on its fingers and toes. It inhabits undisturbed and secondary forests near water sources within a specific altitudinal range.
Alcalinae
Alcalus is a small genus of frogs belonging to the subfamily Alcalinae, found in Palawan, Borneo, and the Malay Peninsula. These frogs are distinguished by their intermediate body size compared to related genera, broad heads, and textured skin. They prefer semi-aquatic microhabitats and are named in honor of Filipino biologist Angel Alcala.
Alcalus baluensis
Alcalus baluensis is a small, stocky frog species native to the rainforests of northern and western Borneo. Previously classified in the family Dicroglossidae, it was transferred to Ceratobatrachidae in 2015. This species is characterized by its small size, visible tympanic ring, and preference for the forest floor and stream banks.