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Frog - Rana Tigrina

The most common frog found in India is the Indian bullfrog

Zoology [Science]

Central Board of Secondary Education [12]

2/21/2010Print This PageTell - A - FriendAdd to Wish ListReport Error

Frog - Rana Tigrina

Classification

Phylum : Chordata
Class : Amphibia
Order : Aruna
Genus : Rana
Species : Tigrina
  1. The most common frog found in India is the Indian bullfrog. It is the largest frog and  is named as bullfrog because its large size and loud call. Indian bullfrog is found in freshwater marshes, ditches, ponds, and shallow lakes.
     
  2. The undergo aestivation (summer sleep) in summer and hibernation (winter sleep) in winter.
     
  3. They are carnivorous (feeding upon other animals, insects, etc.) poikilothermics i.e., the body temperature changes with environment.
     
  4. They develop protective colouration to camouflage, that is, to hide in surroundings.
     
  5. Frogs belong to the Phylum Chordata, Subphylum Vertebrates or Craniata, Superclass Gnathostomata, Class Amphibia and Genus Rana. The most common species is known as Rana tigrina (Indian bull frog). The scientific name of common toad is Bufo melanostictus. Frogs exhibit sexual dimorphism. Male and female are distinguishable externally only during breeding season when the males develop nuptial pad in the first digit of forelimb. Vocal sacs are well developed in males produces louder sound as compared to the females, which are devoid of vocal sac. The vocal sac help to produce mating calls.
     
  6. Total number of bones is 153

2/21/2010Print This PageTell - A - FriendAdd to Wish ListReport Error

Related Words:

Frog, Rana Tigrina, Classification of Frog, Chordata Phylum, Amphibia, Aruna, Genus Rana, Tigrina Species, Bullfrog, Aestivation, Hibernation, Common Toad, Craniata, Gnathostomata, Indian Bull Frog, Bufo Melanostictus, Number Of Bones

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