Argentine Horned Frog

Scientific NameCeratophrys ornata
Common NameArgentine Horned Frog, Pacman Frog
Care LevelIntermediate
Lifespan6-10 years
Adult Size4-6 inches
OriginArgentina, Brazil, and Uruguay
TemperamentDocile but aggressive when feeding
Color VariationsGreen, brown, yellow with patterns of darker spots or blotches

About the Argentine Horned Frog

The Argentine Horned Frog, often colloquially termed the “Pacman Frog” due to its wide mouth and round body reminiscent of the famous video game character, is a fascinating creature that’s captured the admiration of many amphibian enthusiasts. Its vibrant colors, unique appearance, and dynamic feeding behavior make it a popular choice among pet owners and conservationists alike. Hailing from the rainforests of South America, this amphibian has many quirks and behaviors that make it stand out in the animal kingdom.


Typically, the Argentine Horned Frog reaches an adult size of 4-6 inches, with females generally being larger than males. Their stout and round body is quite captivating, lending further to their Pacman-like appearance. This size allows them to be a dominant force in their natural habitats, eating a wide variety of prey.

Unique Features

Arguably, the most distinct feature of the Argentine Horned Frog is its oversized mouth, which makes up nearly half of its entire body. This sizable mouth facilitates its voracious appetite, allowing it to consume prey nearly the same size as itself. Another notable feature is its eyes – protruding and horn-like, which gives it its “horned” descriptor. These eyes are positioned on the top of their heads, allowing them to partially submerge in water or bury themselves in substrate while still keeping an eye out for potential prey or threats.

Behavior and Temperament

While they might appear lazy or sluggish, given their robust physique, Argentine Horned Frogs are ambush predators. They often bury themselves, leaving only their eyes exposed, waiting for unsuspecting prey. When it comes to feeding, they can be aggressive and are known to attempt to eat anything that moves within their reach. However, outside of feeding, they are generally docile and not prone to aggression.


Handling of the Argentine Horned Frog should be limited. They have permeable skin that can easily absorb oils, lotions, or residues from human hands. Additionally, excessive handling can cause them undue stress. When necessary, always ensure hands are washed and wet to minimize the transfer of harmful substances.

Diet & Nutrition

Argentine Horned Frogs have an insatiable appetite. In the wild, they consume a wide range of creatures including insects, smaller amphibians, rodents, and even birds. In captivity, a diet consisting of crickets, mealworms, earthworms, and occasional pinky mice suffices. Always ensure that the food offered is appropriately sized to prevent choking or digestive issues.


To mimic their natural rainforest habitat, an ideal temperature range for their enclosure is between 75°F to 80°F during the day, with a slight drop at night. Heating pads or ceramic heaters can be utilized to achieve this temperature range, but always ensure there are cooler areas within the enclosure for the frog to retreat if needed.


High humidity is crucial for the well-being of Argentine Horned Frogs. A humidity level of 70-80% is recommended. This can be maintained by daily misting, using a large water dish, and employing a substrate that retains moisture, like coconut coir or sphagnum moss.


While they don’t have specific UVB requirements like some reptiles, a regular light-dark cycle, mimicking natural daylight hours, will be beneficial for these frogs. If housed indoors without natural light, a basic daylight bulb set on a 12-hour cycle should suffice.

Common Health Issues

Like many amphibians, Argentine Horned Frogs can be prone to fungal and bacterial infections, often resulting from unclean habitats or incorrect humidity levels. Impaction, resulting from ingesting substrate or consuming overly large prey, can also occur. Regularly cleaning their habitat and ensuring a proper diet can prevent many of these issues.


Breeding Argentine Horned Frogs can be a rewarding challenge. A period of cooler temperatures, mimicking a winter season, followed by frequent misting to simulate the rainy season can induce breeding behaviors. Once ready to mate, the male will emit a loud call to attract a female.

Mating Habits

During the breeding season, males will search for receptive females, often using their distinct calls to announce their availability. Once a suitable partner is found, the male will grasp the female in a position known as amplexus. Following this, the female lays her eggs, which the male then fertilizes externally. After a short period, these eggs will hatch into tadpoles, which, after a process of metamorphosis, will develop into juvenile frogs.

This fascinating frog, with its peculiar looks and intriguing behaviors, makes a captivating subject for both casual observers and dedicated herpetologists. Their care requirements and behavioral nuances highlight the beauty and complexity of the animal kingdom, reminding us of the wonders of nature and the importance of conservation.

Argentine Horned Frog FAQs (Frequently Asked Questions)