Euphlyctis cyanophlyctis
Encyclopedia
The Indian Skipper Frog or Skittering Frog (Euphlyctis cyanophlyctis) is a common frog
Frog
Frogs are amphibians in the order Anura , formerly referred to as Salientia . Most frogs are characterized by a short body, webbed digits , protruding eyes and the absence of a tail...

 found in South Asia
South Asia
South Asia, also known as Southern Asia, is the southern region of the Asian continent, which comprises the sub-Himalayan countries and, for some authorities , also includes the adjoining countries to the west and the east...

. They are slimy and are often seen at the edge of bodies of water with their eyes above the water. They noisily move away from the shore when disturbed, giving them their common name. They are rarely seen outside water.

Description

Description from Boulenger
George Albert Boulenger
George Albert Boulenger FRS was a Belgian-British zoologist who identified over 2000 new animal species, chiefly fish, reptiles and amphibians.-Life:...

 is as follows:
Vomer
Vomer
The vomer is one of the unpaired facial bones of the skull. It is located in the midsagittal line, and articulates with the sphenoid, the ethmoid, the left and right palatine bones, and the left and right maxillary bones.-Biology:...

ine teeth in two small oblique series extending a little beyond the hinder edge of the choanae. Head moderate; snout scarcely pointed; canthus rostralis indistinct; interorbital space much narrower than the upper eyelid; tympanum
Tympanum (zoology)
The tympanum is an external hearing structure in animals such as frogs, toads, insects, and mammals, to name a few.-Anurans:In frogs and toads, it is located just behind the eye. It does not actually process sound waves; it simply transmits them to the amphibian's inner ear, which is protected...

 distinct, about two thirds the size of the eye. Fingers slender, pointed, first not extending beyond second; toes webbed to the tips, which are pointed, fourth not much longer than third or fifth; outer toe strongly fringed; subarticular tubercles small; inner metatarsal tubercle small, conical, much like a rudimentary toe. The tibio-tarsal articulation
Joint
A joint is the location at which two or more bones make contact. They are constructed to allow movement and provide mechanical support, and are classified structurally and functionally.-Classification:...

 usually reaches a little beyond the eye. Skin with small tubercles and units above, and with more or less distinct rows of pores. Brown or olive above, dark spotted or marbled; two blackish streaks on the hinder side of the thighs, seldom absent; beneath often speckled with blackish. Male with two external vocal vesicles, opening by two slits beneath the angles of the mouth.

They have the ability to leap out of the water from a floating position. Cross section of the phalange bones shows annual growth rings which may be used for determining age.

Distribution

The species is widely distributed from Arabia to South Asia
South Asia
South Asia, also known as Southern Asia, is the southern region of the Asian continent, which comprises the sub-Himalayan countries and, for some authorities , also includes the adjoining countries to the west and the east...

 and South-east Asia.

Subspecies

  • Euphlyctis cyanophlyctis seistanica – Seistan Skittering Frog
  • Euphlyctis cyanophlyctis cyanophlyctis – Common Skittering Frog
  • Euphlyctis cyanophlyctis microspinulata – Spiny Skittering Frog
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