Nyctibatrachus humayuni
| Bombay night frog | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Anura |
| Family: | Nyctibatrachidae |
| Genus: | Nyctibatrachus |
| Species: | N. humayuni |
| Binomial name | |
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Nyctibatrachus humayuni Bhaduri & Kripalani, 1955 |
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The Bombay night frog (also Abdulali's wrinkled frog, Abdulali's night frog, Humayun's wrinkled frog; scientific name Nyctibatrachus humayuni) is a species of frog in the family Nyctibatrachidae. It is endemic to the Western Ghats of Maharashtra state, India. The species is found near torrential hill streams in tropical moist evergreen and semi-evergreen forests, a habitat that is threatened by habitat loss and pollution. Its name honours Humayun Abdulali, an Indian biologist.
N. humayuni is a plump frog with prominent, forward-facing eyes with vertically slit pupils, a wide head, and rounded snout. The fore limbs are short and plump, and the flattened fingers have large discs on the tips. The hind limbs are rather longer, the toe pads are also disc-shaped, and the toes are fully webbed. It grows to a length of about 48 mm (1.9 in), the back is a mottled dark grey or brown, the belly is paler grey, and the limbs sometimes have dark bands. The male has orange glands on his thighs and has no vocal sac.
N. humayuni is found in the Indian state of Maharashtra, in the Western Ghats, and in Goa and Karnataka states at elevations of 200 to 1,200 m (660 to 3,940 ft) above sea level. Part of its range is in the Bhimashankar Wildlife Sanctuary and the Koyna Wildlife Sanctuary. It lives in or near fast-flowing, rocky, mountain streams where it hides under rocks and in crevices. It favours forested areas with dense vegetation hanging over the water, and is sometimes found at forest edges away from streams. It has been found in a large cave near Mahabaleshwar, occupying a cave ecosystem alongside Beddome's leaping frog (Indirana beddomii). The cave has a stream flowing through it, and the numerous fulvous fruit bats (Rousettus leschenaulti) that roost there have created a deep bed of bat droppings, which is inhabited by many invertebrates on which the frogs feed.
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