Japanese wrinkled frog
A species of Glandular frog Scientific name : Glandirana rugosa Genus : Glandular frog
Japanese wrinkled frog, A species of Glandular frog
Scientific name: Glandirana rugosa
Genus: Glandular frog
Content
Description General Info
Photo By harumkoh , used under CC-BY-SA-4.0 /Cropped and compressed from original 
Description
The Japanese wrinkled frog, Glandirana rugosa, is a species of true frog native to Japan and introduced to Hawaii in the late 19th century. It has sometimes been regarded as a single species with the Imienpo Station frog, Glandirana emeljanovi, which is found on the East Asian mainland. The two species are distinguished from others by their rough and uneven skin. It lives and breeds in various freshwater environments, including ponds, streams and wetlands. The IUCN...
General Info
Lifespan
1-3 years
Diet
Japanese wrinkled frog primarily subsists on a carnivorous diet, with an emphasis on small animals such as insects, spiders, and annelids. This frog also consumes crustaceans, demonstrating opportunistic feeding behavior.
Appearance
Japanese wrinkled frog is a medium-sized amphibian with a streamlined body and smooth, damp skin. Its coloration varies from blue-black to green, often speckled with small brown spots. Noteworthy are the pronounced, thick lips, and its webbed hind feet which are adapted for swimming. No significant differences in appearance are present due to age, sex or subspecies.
Behavior
Japanese wrinkled frog showcases nocturnal habits, engaging predominantly in foraging during twilight and night hours. This species is typically solitary, except during mating seasons. Unique to its behavior is the tendency to expand its vocal sac and emit a repetitive croaking sound for territory acquisition and mating. Adaptations for survival include keen predator avoidance responses.
Population
Decreasing
Scientific Classification
Phylum
Chordates Class
Amphibians Order
Frogs and toads Family
True frogs Genus
Glandular frog Species
Japanese wrinkled frog 
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