''Bufotes pewzowi'' is a species of
toad in the family
Bufonidae. It is found in dry plains of Central Asia, the foothills and mountains of
Tian Shan,
Zhungar Alatau and
Pamir Mountains
The Pamir Mountains are a mountain range between Central Asia and Pakistan. It is located at a junction with other notable mountains, namely the Tian Shan, Karakoram, Kunlun, Hindu Kush and the Himalaya mountain ranges. They are among the world ...
(Kazakhstan, Kyrgyzstan, Uzbekistan, and Tajikistan), the mountains and deserts of
Western China and Mongolia, and probably westward to northern Afghanistan and north to
Lake Balkhash in Kazakhstan and northeast
Altai Republic
The Altai Republic (; russian: Респу́блика Алта́й, Respublika Altay, ; Altai: , ''Altay Respublika''), also known as Gorno-Altai Republic, and colloquially, and primarily referred to in Russian to distinguish from the neighbour ...
in Russia.
[ The ]specific name Specific name may refer to:
* in Database management systems, a system-assigned name that is unique within a particular database
In taxonomy, either of these two meanings, each with its own set of rules:
* Specific name (botany), the two-part (bino ...
''pewzowi'' honours , a Russian geographer, cartographer, and explorer. Common names include Xinjiang toad and Pewzow's toad; when subspecies
In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...
''B. p. strauchi'' is recognized, it can be referred to as northern Xinjiang toad, while the nominotypic ''B. p. pewzowi'' then becomes southern Xinjiang toad.[
]
Description
''Bufotes pewzowi'' is a tetraploid species that originates from hybridization
Hybridization (or hybridisation) may refer to:
*Hybridization (biology), the process of combining different varieties of organisms to create a hybrid
*Orbital hybridization, in chemistry, the mixing of atomic orbitals into new hybrid orbitals
*Nu ...
between ''Bufotes latastii
''Bufotes latastii'', commonly known as the Baltistan toad, Ladakh toad or vertebral-banded toad, is a species of toad in the family Bufonidae. It is found in the West Himalayan region at altitudes of from northern Pakistan to Ladakh in In ...
'' and '' Bufotes perrini''. Adult males measure and adult females in snout–vent length
Snout–vent length (SVL) is a morphometric measurement taken in herpetology from the tip of the snout to the most posterior opening of the cloacal slit (vent)."direct line distance from tip of snout to posterior margin of vent" It is the most c ...
. Gosner stage
Gosner stage is a generalized system of describing stages of embryonal and larval development in anurans (frogs and toads). The Gosner system includes 46 numbered stages, from fertilized embryo (stage 1) to the completion of metamorphosis (stage ...
35–37 tadpoles measure about in total length, of which the tail makes almost two thirds.[
]
Habitat and conservation
''Bufotes pewzowi'' occurs in dry steppes, grasslands, semi-deserts and deserts, and in mountains from foothills through all altitudinal belts up to subalpine meadows, perhaps to over above sea level
Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as ''orthometric heights''.
The comb ...
. The tadpoles develop in oases, ponds, and pools. It is a very common species that can be found in very disturbed habitat. No major threats to this species are known. It can suffer from extreme habitat modification and from collection for traditional medicine. It probably occurs in several protected areas within its range.
References
{{Taxonbar, from=Q1389199
pewzowi
Amphibians of Afghanistan
Frogs of China
Fauna of Kazakhstan
Amphibians of Mongolia
Amphibians of Russia
Fauna of Tajikistan
Fauna of Uzbekistan
Amphibians described in 1898
Taxa named by Jacques von Bedriaga
Taxonomy articles created by Polbot