The Surinam horned frog (''Ceratophrys cornuta''), also known as Amazonian horned frog, is a bulky
frog
A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-frog" '' Triadobatrachus'' is ...
measuring up to found in the northern part of
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...
. It has an exceptionally wide mouth, and has horn-like projections above its eyes. Females lay up to 1,000 eggs at a time, and wrap them around aquatic
plants
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclud ...
. The frog eats other frogs,
fish
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% ...
,
lizard
Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia al ...
s, and
mice
A mouse ( : mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus' ...
.
Tadpole
A tadpole is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found ...
s of the Surinam horned frog attack each other (and tadpoles from other species) soon after being hatched.
This species was once considered the same species as ''
Ceratophrys ornata
The Argentine horned frog (''Ceratophrys ornata''), also known as the Argentine wide-mouthed frog, ornate horned frog, ornate horned toad, or the ornate pacman frog, is a species of frog in the family Ceratophryidae. The species is endemic to ...
''. This dispute was later settled because the Surinam Horned frog inhabits a different habitat than its smaller cousin and does not interbreed with it in the wild (but will do so in captivity). This species has been known to prey upon the other species of horned frog, especially the northern race of ''Ceratophrys ornata''.
Gallery
Image:Ceratophrys cornuta - 3.jpg,
Image:Ceratophrys cornuta - frog - 4.jpg,
File:Ceratophrys cornuta 01.jpg, Burying behaviour
File:Cornuta_side_view_web.jpg,
File:Ceratophrys_cornuta_skeleton_front.jpg,
References
* Database entry includes a range map and justification for why this species is of least concern
* Animal, Smithsonian Institution, 2005, pg. 445
*Ditmar's Reptiles of the World: 1937
External links
Ceratophrys
Amphibians described in 1758
Taxa named by Carl Linnaeus
Amphibians of Brazil
Amphibians of Colombia
Amphibians of Ecuador
Amphibians of French Guiana
Amphibians of Guyana
Amphibians of Peru
Amphibians of Suriname
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