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Ornate Horned Frog

Ornate Horned Frog
Ceratophrys ornata

Also, known commonly as Pacman and Argentinian horned frogs. These are the most commonly kept species of horned frog in the hobby, and great for beginners looking to keep their first amphibian.

OriginArgentina, Uruguay and southern Brazil
EnvironmentSubtropical grasslands
Adult SizeUp to 14cm
LifespanUp to 25 years

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What does the Ornate Horned Frog look like?

A large bodied frog that has short and powerful limbs. Its greatest attributes being a wide jaw, armed with pin-like teeth and a high eyeline, allowing the frog to burrow into loose substrate and wait in ambush for unsuspecting prey. The horns of (C. ornata) are not as pronounced as other species of horned frog such as (C. cornuta).

Naturally these frogs have a bright green base colouration, but with a variable pattern of red, yellow and brown stripes and blotches.

Females tend to be the larger of the two sexes, by up to 4cm in length. Males have a blue to grey throat colouration, with loose skin caused by an external vocal sac. Upon maturity, males will also develop horny nuptial pads on their inner toes.

Where are Ornate Horned Frogs from?

These frogs naturally occur in Argentina, Uruguay and southern Brazil. They are found in subtropical grasslands, near bodies of temporary water, irrigated cropland and even roadside ditches. 

How do you keep Ornate Horned Frogs?

A hardy frog that will live many years, if maintained in solitary confinement, given a good diet and a clean environment.

These frogs can live in small and fairly basic terrariums, after all, much of their time is spent buried in the substrate. You should consider though, that these frogs grow large, and do become active at night in the search of prey items.

Temperatures should be maintained around 24°C (75°F) during the day, and with a small night-time temperature drop. Unlike (C. cranwelli) which live in more arid grasslands, these frogs can be maintained in more humid conditions from juvenile to adult.

Providing low level UVB can be beneficial to horned frogs, like with all other exotic animals. This can be achieved by placing an overhead canopy or dome above the terrarium mesh. 

When misting, remember that all tap water must be treated with a good quality dechlorinator.

Basic furnishings of sphagnum moss and a leaf litter mixture is sufficient for juveniles; as long as they can bury themselves. Adults can be maintained in larger glass terrariums, where a soil based substrate can be added to further the substrate depth.

Juvenile horned frogs should be fed four to five times a week on a varying and suitably sized diet including; earthworms, locusts, crickets, mealworms and pinkie mice. It should be noted that some of the meal replacement powder diets, work very effectively in rearing young horned frogs.

Adult horned frogs will eat almost anything they can fit in their mouth; including fingers. So, a good pair of feeding tongs will prevent any accidents. With this in mind though, do try and avoid giving them very large food items, as it can cause digestive blockages.

Lastly and most importantly you must use a good quality dusting powder to provide essential calcium and vitamins to your horned frog. The traditional method of application is to use a spare live food tub or empty cereal container to coat the insects lightly in whichever dusting powder you are providing. We’d advise dusting your insects on every feed when your frog is growing but to alternate between calcium and vitamin powders with the ratio of (2.1).

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Before you commit to buying any pet, please do your own independent research.