WebOct 20, 2015 · Unlike most four-toed frogs, the endangered Otton frog (Babina subaspera) has a "fifth finger."In both males and females, this extra digit encases a sharp spine, but in males, this spike is more ... WebOct 18, 2012 · published 18 October 2012. The spike shooting from a male Otton frog's pseudo-thumb. (Image credit: N. Iwai) A rare Japanese frog sports spikes protruding from a set of pseudo-thumbs, a scientist ...

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WebOct 18, 2012 · The Otton frog joins a select group of animals that produce weapons by self-harming. Some newts and salamanders push their ribs out through their skin to serve as … WebThis list of amphibians recorded in Japan is primarily based on the IUCN Red List, which details the conservation status of some ninety-three species. Of these, four are assessed as critically endangered (the endemic Amakusa salamander, Mikawa salamander, Tosashimizu salamander, and Tsukuba clawed salamander), twenty-seven as endangered, thirteen as … stringverification

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WebThe Otton frog , is a species of frog in the family Ranidae. It is endemic to the islands of Amami Ōshima and Kakeromajima in the Ryukyu Islands, Japan. Its natural habitats are subtropical or tropical moist lowland forests, freshwater marshes, and intermittent freshwater marshes. Once considered a delicacy as a source of food, it is now threatened … WebOct 22, 2012 · AsianScientist (Oct. 22, 2012) – Combat-ready retractable spikes which shoot from fingers sounds like the weaponry of Wolverine, but a Japanese scientist has found … WebOct 19, 2012 · Combat-ready spikes which shoot from fingers sounds like the weaponry of a comic book hero, but a Japanese scientist has found exactly this in a rare breed of frog. The discovery, which is published in the Journal of Zoology, reveals how the Otton frog uses spikes which protrude from a false thumb for both combat and mating. stringvar in python tkinter