Wrinkled Frog (Glandirana rugosa)
The Wrinkled Frog or Japanese Wrinkled Frog (Glandirana rugosa) is a species of true frog native to Japan and introduced to Hawaii in the late 19th century.
Description: Vomerine teeth present. Posterior part of the tongue free and forked. Toes webbed. Omosternum and sternum ossified. Pupil of the eye horizontal. Inner metatarsal tubercle small. Snout moderately sharp. Male vocal sacs reduced. No temporal spot. Dorsal coloration brownish-grey or earth-grey, without pattern. Dorso-lateral folds absent. The skin on the back, sides of the body, and legs covered with numerous very distinct, longitudinally orientated, short wrinkles.
Habitat: Hawaii: occurs in and along mountain streams; basks on rocks protruding from stream or along stream bank; most common at pools overgrown with vegetation; seeks cover in leaf litter at bottom of pool. Common in rice paddies in Japan. Eggs are laid in slow-moving water among protruding sticks and vegetation.
Range: introduced into Hawaii (Hawaii, Maui, Kauai, and Oahu), USA.
Found in these States:
HI
Diet: Diet mainly insects.
Reproduction: Breeding recorded February-July on Oahu. In Japan, larvae overwinter before metamorphosing.
Status: The IUCN does not consider this species to be faced by any significant threats.
»» Kingdom: Animalia - Animals
»» Phylum: Chordata - Chordates
»» Subphylum: Vertebrata - Vertebrates
»» Class: Amphibia - Amphibians
»» Order: Anura - Frogs & Toads
»» Family: Ranidae - True Frogs
»» Genus: Glandirana
»» Species: Glandirana rugosa - Wrinkled Frog
»» Subspecies: None
This article uses material from the Wikipedia article "Japanese Wrinkled Frog", which is released under the Creative Commons Attribution-Share-Alike License 3.0. Content may have been omitted from the original, but no content has been changed or extended.
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