Adult in a small stream in secondary forest, Bukit Timah area,
Singapore.
Juvenile group, Lower Peirce Reservoir, Singapore. Family : RANIDAE
Species : Lithobates catesbeiana
Size (snout to vent) : 17 cm
References : H2
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A native of the U.S. and
southern Canada, this species has been freed into ponds and reservoirs in
Singapore as a means of religious merit-making. This is potentially damaging
to the amphibian diversity of Singapore's Central Catchment Area, as this
large frog may well out-compete local species.
Its size may reach 15 cm
(snout-to-vent), and the colour is usually greenish-brown, with a green
head. In females the tympanum (external ear drum) is of equal size to the
eye, and in males much larger. The hind feet are well webbed
They feed on crustaceans,
worms and insects and will also take other amphibians including their own
kind. They are bred for food, as their hind legs are muscular and well
suited as 'frogs-legs' for the local restaurant market.
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