Pacman Frog
Ceratophrys ornata
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Overview
The ornate horned frog - nicknamed the Pacman frog for its enormous, round, gaping mouth - is native to the grasslands and rainforests of South America. They are ambush predators that bury themselves in soil or leaf litter and wait, motionless, for prey to enter range of their enormous mouth. Despite their sluggish lifestyle, Pacman frogs will attempt to consume prey nearly as large as themselves - including other frogs, rodents, and small snakes.
Quick Facts
Native Range
South America (Argentina, Brazil, Uruguay)
Natural Habitat
Grassland, tropical rainforest, and humid meadows
Adult Size
4-7 inches (10-18 cm) body; 0.5-1.5 lbs
Wild Diet
Insects, worms, mice, other frogs, and small vertebrates
Wild Lifespan
Not well documented in the wild; about 6 years is the usual figure given, with captive records reaching 14.7 years
Conservation Status
Least Concern (IUCN)
History
The species entered science through Darwin's voyage. Thomas Bell described it in 1843 as Uperodon ornatum, in the reptiles volume of the Zoology of the Voyage of H.M.S. Beagle, from a specimen labeled Buenos Ayres, with syntypes cataloged at the British Museum; the genus Ceratophrys, where it eventually landed, had been erected by Wied-Neuwied in 1824. Modern keeping rests on two species rather than one, since Cranwell's horned frog, Ceratophrys cranwelli, is bred and sold alongside the ornate. Breeders also cross Ceratophrys cranwelli with the Surinam horned frog to produce the captive hybrid marketed as the fantasy frog.
Compare
Pacman Frog
Human
Adult Size
4-7 inches (10-18 cm) body; 0.5-1.5 lbs
5-6 feet (150-185 cm); ~135-200 lbs
Wild Lifespan
Not well documented in the wild; about 6 years is the usual figure given, with captive records reaching 14.7 years
~73 years (global average)
Wild Diet
Insects, worms, mice, other frogs, and small vertebrates
Omnivorous - eats just about anything
Native Range
South America (Argentina, Brazil, Uruguay)
Global - originated in Africa roughly 300,000 years ago
Natural Habitat
Grassland, tropical rainforest, and humid meadows
Everywhere from arctic tundra to tropical megacities
Conservation Status
Least Concern (IUCN)
Least Concern (8+ billion and counting)
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Did You Know?
Pacman frogs (horned frogs, genus Ceratophrys) have an extraordinarily powerful bite for an amphibian. A 2017 study measured Cranwell's horned frogs biting at up to about 33 newtons, and the authors' scaling estimate puts the largest living horned frogs close to 500, the range of medium-sized mammalian carnivores. They will attempt to eat anything that moves near them, including other frogs, small mice, and keepers' fingers.
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