Giant Visayan Frog Rana magna ssp. visayana (Brown and Alcala)
Common Names: A frog                                     
Category: VULNERABLE
Status: ENDEMIC and common
Habitat/Distribution: Negros, Panay and Siquijor 
Habitat / Behavior: The largest stocky-bodied frog in the Philippines. A pair of bony processes at the front of the lower jaw. The fingers have distinctly enlarged round disks. The toes are completely webbed to the round disks. A conspicuous flap of skin on the  outer edge of the fifth toe and metatarsal. Inhabit clear unpolluted forest streams. Breeds the year round, dpositing eggs numbering from 146-208 on moist or moss covered rocks. Tadpoles are found in pools of mountain streams and metamorphose 150 days from egg-laying. Altitudinal distribution is from sea level to over 2,000m. 
Threats: Habitat loss and degradation are possible influences on the limited range of this species.
Interesting Information: SVL 51-150 mm; primary forest; oviparous; amphibious;nocturnal
Conservation Efforts/Measures: Not known.

Photograph Information: Courtesy of  "Philippine Amphibians, an Illustrated Field Guide" by Angel C. Alcala and Walter C. Brown, published by Bookmark. Rana magna of which visayana is a subspecies. Not the actual size.

Rana magna


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