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| Giant Visayan Frog Rana magna ssp. visayana (Brown and Alcala) |
Common Names:
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. |
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