description Hairy Frog Overview
The hairy frog (*Trichobatrachus robustus*) is a Central African amphibian species belonging to the family Arthroleptidae. Males develop hair-like dermal papillae on their sides and thighs during breeding season, giving the frog its common name; these structures are thought to increase the skin surface area for respiration. The species is also known for a defensive mechanism in which it breaks its own toe bones through the skin to form sharp claws, a behavior that has led to the nickname 'wolverine frog.' It is native to forested regions of Cameroon, Equatorial Guinea, Gabon, and Nigeria.
help Hairy Frog FAQ
Are the hairy frog's claws made from keratin?
No, its defensive claws are sharpened bones rather than keratin structures like a cat's claws. The terminal toe bones break away from small nodules and pierce through the skin when deployed.
Why is Trichobatrachus robustus called the hairy frog?
Breeding males develop hair-like skin filaments along their sides and thighs. These structures contain blood vessels and are thought to increase surface area for oxygen uptake while males guard eggs underwater.
Where does the hairy frog live?
Trichobatrachus robustus inhabits fast-flowing forest streams in parts of Central Africa, including Cameroon, Equatorial Guinea, Gabon, and the Democratic Republic of the Congo. Its tadpoles have muscular bodies and mouthparts suited to turbulent water.
Do the hairy frog's bones heal after the claws retract?
Researchers have documented how the bones deploy, but the exact natural retraction and healing process has not been observed in full detail. It is generally inferred that the bones return to position and damaged tissue regenerates after the threat passes.
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