American Bullfrog

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American Bullfrog (Rana catesbeiana)
Upper Seletar Reservoir Park, 5th May 2017

American Bullfrog (Rana (Aquarana) catesbeiana)
Tampines Quarry, 11th September 2016

Two juvenile American Bullfrogs were found along the shore of the lake in Tampines Quarry. They were alive when first spotted, but had died by the time they were seen again an hour later. The other individual was featured in an earlier instalment of Daily Decay.

Young, newly metamorphosed American Bullfrogs are widely sold in aquarium shops in Singapore as live food for large predatory fishes, although it’s possible that these juveniles are also purchased to be used as bait for anglers, or are deliberately released by well-meaning people who do not understand the ecological harm that can result from releasing potentially invasive species.

American Bullfrog (Rana (Aquarana) catesbeianus)
Ang Mo Kio Town Park, 26th January 2015

This carcass of an American Bullfrog was shared by Leroy Alphonso.

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American Bullfrog (Lithobates catesbeianus)
Kranji Marshes, 14th November 2014

This dead American Bullfrog was seen by Noeleen Tan.

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Any idea what species this is? Spotted at Sengkang Riverside Park.

Source: David Tan Instagram

This is an American Bullfrog (Lithobates catesbeianus), presumably released by people.

American Bullfrog

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American Bullfrog(?) (Lithobates catesbeianus)
Dairy Farm Nature Park, 15th July 2012

This carcass of a large frog was found by Ong SayLin. Based on the size, and the patterns on what remains of the skin on the legs, I believe that it might be an American Bullfrog. This non-native (and potentially invasive) species has been recorded from several locations in Singapore, most probably due to intentional release by people.

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Frog

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Frog
Kranji, 27th June 2011

This medium-sized frog was found on the KTM railway tracks that run through Kranji.

Based on the size and the patterns on the skin that remains on the legs, I suspect that it might be a subadult American Bullfrog (Lithobates catesbeianus).

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Another possible alternative is that this was a large Crab-eating Frog (Fejervarya cancrivora).