Ornate Horned Frog
Ceratophrys ornata
A large, round frog known for its voracious appetite and distinctive horn-like projections above its eyes.
Last updated: 3/16/2025
Overview
The ornate horned frog, commonly known as the Pac-Man frog, is a terrestrial amphibian native to South America. Recognizable by its large mouth and rounded body, this species is popular among amphibian enthusiasts but requires specific care to thrive.
Native Regions
South America
Habitats
Rainforests
Adult Length
4-6 inches
Adult Weight
2-4 ounces
Lifespan
5–10 years
For Beginners
Suitable for beginners with proper research and commitment
For Experienced Keepers
Also suitable for experienced keepers
Key Points
- › Terrestrial and nocturnal
- › Carnivorous diet
- › Requires a humid environment with ample substrate for burrowing
Appearance & Behavior
Ornate horned frogs are robust, with a wide mouth and a rounded body. Their coloration includes bright green, brownish-red, and yellow blotches and spots. Females can reach up to 6 inches (15 cm) in length, while males are generally smaller.
Normal Behavior
These frogs are ambush predators, often remaining motionless and partially buried, waiting for prey. They are generally sedentary and may exhibit defensive behaviors if threatened.
Social Behavior
Typically solitary; housing multiple individuals together is not recommended due to potential aggression.
Warning Signs
Lethargy, refusal to eat, skin lesions, or abnormal shedding may indicate health issues.
Key Points
- › Ambush predators with a sedentary lifestyle
- › Solitary and may display aggression towards others
Enclosure & Environment
Enclosure Size
A 10-gallon tank is suitable for one adult frog.
Enclosure Type
Terrestrial enclosure with appropriate substrate.
Substrate
Coconut fiber or sphagnum moss, kept moist to facilitate burrowing.
Heating
Maintain temperatures between 75-85°F (24-29°C).
Humidity
Keep humidity levels between 60-80%.
Lighting
Ambient room lighting is sufficient; UVB lighting is optional but can be beneficial.
Décor & Enrichment
Provide hiding spots and artificial plants; avoid sharp objects.
Cleaning & Maintenance
Spot clean regularly; replace substrate monthly.
Key Points
- › Requires a humid, secure enclosure with ample substrate for burrowing
- › Stable temperatures and humidity are crucial
Diet & Nutrition
Carnivorous diet consisting of appropriately sized prey items.
Food Types
Insects (crickets, roaches), earthworms, and occasional small rodents for adults.
Feeding Schedule
Juveniles: every 1-2 days; Adults: every 2-3 days.
Supplements
Dust prey with calcium powder 2-3 times a week; multivitamins once a week.
Hydration
Provide a shallow water dish with dechlorinated water; maintain high humidity.
Preparation
Offer live prey; ensure prey is gut-loaded and dusted with calcium supplements.
Common Mistakes
Overfeeding or offering prey that is too large, leading to obesity or impaction.
Key Points
- › Carnivorous diet with appropriately sized prey
- › Regular supplementation supports health
- › Access to clean, shallow water is essential
Handling
Handling should be minimal to reduce stress and prevent skin damage.
Techniques
If necessary, handle with clean, wet hands or use gloves to support the body.
Do's & Don'ts
Avoid frequent handling; always wash hands before and after.
Taming
Not applicable; these frogs do not become accustomed to handling.
Stress Signals
Vocalizations, attempts to escape, or defensive posturing.
Key Points
- › Minimal handling is recommended
- › Use caution to prevent stress and skin damage
Health & Wellness
Common Health Issues
Obesity
Description
Due to overfeeding or lack of exercise.
Symptoms
Excessive body weight, lethargy.
Prevention
Provide appropriately sized prey and monitor feeding frequency.
Treatment
Adjust diet and consult a veterinarian if necessary.
Skin Infections
Description
Bacterial or fungal infections often due to poor husbandry.
Symptoms
Redness, sores, or abnormal shedding.
Prevention
Maintain clean enclosure and proper humidity.
Treatment
Seek veterinary care for appropriate medications.
Metabolic Bone Disease
Description
Caused by calcium deficiency or lack of UVB exposure.
Symptoms
Weakness, deformities, lethargy.
Prevention
Ensure proper supplementation and consider UVB lighting.
Treatment
Consult a veterinarian for calcium therapy.
Preventative Care
Regular monitoring, maintaining proper husbandry, and periodic veterinary check-ups.
Emergency Signs — seek vet care immediately
Severe lethargy, refusal to eat for extended periods, open sores, or abnormal behavior.
Key Points
- › Proper husbandry prevents most health issues
- › Monitor health and behavior closely
Breeding
Breeding in captivity is challenging and requires specific environmental cues.
Preparation
Simulate seasonal changes with temperature and humidity fluctuations.
Breeding Process
Males call to attract females; ample water and appropriate substrates are necessary for egg laying.
Egg Care
Maintain high humidity and monitor for fungal growth; eggs hatch within days.
Hatchling Care
Provide small prey items and maintain appropriate environmental conditions.
Key Points
- › Breeding requires precise environmental control
- › Egg and tadpole care demand meticulous attention