Lamma Forums

Cascade Frog on Lamma
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Author:  Lamma-Gung [ Fri Mar 22, 2013 12:24 pm ]
Post subject:  Cascade Frog on Lamma

I just saw this photo from the YMCA's Outdoor Centre, shot just outside their private, fenced-in Archery Area at the far end of the ex-Lamma Quarry. They called it an "Hong Kong Cascade Frog".

Do our frog experts know this one, as I've never heard of a Cascade Frog before, I think. Searching 11 years of this entire forum didn't result in a single hit
Could it be a new one in addition to the 6 (7?) spotted and photographed frog species spotted on Lamma, or just another name for one of the known species?


Author:  Alan [ Fri Mar 22, 2013 12:32 pm ]
Post subject: 

Hong Kong Biodiversity Database
Amolops hongkongensis
Hong Kong Cascade Frog
Animal Group: Amphibian
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Ranidae

Other Common Name(s): Hong Kong Torent Frog

Description: About 50mm in length. Body grey or brown with black blotches on it. Granules scatter over back, flanks and legs. Head flattened. Round and protuded snout. Pale undersides. Digits with adhesive discs.

Statutory Protection in Hong Kong: Listed in Wild Animals Protection Ordinance (Cap. 170)
IUCN Red List Status: Endangered
Distribution in Hong Kong: Widely distributed in mountain streams in Hong Kong.

So, an endangered species living in the ex-quarry.... well, they didn't stop Chek Lap Kok for the Romer's Tree Frog.

Author:  EvanP [ Mon Mar 25, 2013 5:49 am ]
Post subject: 

This photo is of the Asiatic toad (Bufo melanostictus), which is very common and widespread throughout Asia.

For those interested, the Hong Kong cascade frog is Amolops hongkongensis and they are found on HK Island, the New Territories and a small part of China. They are a cool example of convergent evolution, because they look very similar to the waterfall frog in Australia (despite being in completely different families).

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