Reptiles Active during the day

Common Basilisk

Basiliscus basiliscus

iNaturalist Wikipedia

Meet the 'Jesus Lizard,' a prehistoric-looking marvel capable of walking on water. With its magnificent sail-like crests and incredible speed, the Common Basilisk is the ultimate prize for any tropical backyard explorer.

0 Sightings

0 Habitats

Quick Identification

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Size

Total length up to 75–80 cm (2.5–2.6 ft); snout-to-vent length is about 25 cm (10 in). Weight 200–600g (0.4–1.3 lbs).

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Colors

Olive, brown, or bronze with cream or yellow stripes along the flanks. Males possess high, sail-like crests on the head, back, and tail.

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Key Features

Prominent crests on head, back, and tail in males
Specialized fringed scales on rear toes for water-running
Long, whip-like tail used for balance
Bright yellow or orange iris

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 10:00 AM – 3:00 PM

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Season Year-round

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Diet Omnivorous; primarily feeds on insects like beetles and dragonflies, but also consumes small vertebrates, freshwater shrimp, berries, and fallen fruit.

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Habitat Lowland tropical rainforests, gallery forests, and suburban gardens or parks located near rivers, streams, or canals.

Sightings on EverydayEarth

Panama Fruit Feeder Cam at Canopy Lodge

Jul 24, 2026

A male Common Basilisk is perched on the wooden feeder platform among several sliced oranges and other fruits. It remains mostly still, occasionally turning its head to scan the surrounding rainforest environment.

public Geographic range

Where Does the Common Basilisk Live?

The Common Basilisk is native to the tropical regions of Central and South America. Its primary range stretches from central Nicaragua through Costa Rica and Panama into the northwestern lowlands of Colombia and Venezuela. Beyond its native habitat, the species has successfully established invasive populations in South Florida, particularly along the warm, slow-moving canal systems of the Everglades and surrounding suburban areas.

Basemap © OpenStreetMap contributors

6 Countries

2.5M km² Range

Least Concern Conservation

CR Costa Rica PA Panama NI Nicaragua CO Colombia VE Venezuela US United States

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iNaturalist / Verified observation data

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Behavior

The Common Basilisk is a highly active, diurnal lizard famously known for its ability to sprint across the surface of water for distances of up to 20 meters. This remarkable feat, which earned it the nickname "Jesus Lizard," is accomplished by unfurling specialized fringes on its rear toes that create air pockets, allowing the lizard to stay afloat if it maintains a high enough speed. This is primarily a defense mechanism used to escape predators like raptors or snakes when the lizard is startled from its basking spot.

Beyond its aquatic acrobatics, the basilisk is an agile climber and a strong swimmer. They spend a significant portion of their day basking on low-hanging branches or rocks near the water's edge to regulate their body temperature. While they are generally solitary and territorial, they can be found in high densities in areas with abundant food and ideal basking sites. Their interaction with humans is limited; they are exceptionally skittish and will often dive into the water or vanish into thick foliage at the slightest vibration or movement.

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Camera Tips

To capture the Common Basilisk on camera, placement is everything. These lizards are semi-aquatic and spend a huge portion of their day basking to digest their food. Look for logs, flat rocks, or low-hanging branches that extend over the water's edge. Mount your camera at a low angle, roughly 12-18 inches above the ground or water level, aimed at these sun-drenched spots. Because they are cold-blooded, they are most active when the sun is at its peak, so ensure your camera is positioned to avoid direct lens flare during midday.

Since the basilisk's most famous behavior—running on water—happens in a flash, you should prioritize high-speed video settings. If your camera supports it, record at 60 frames per second (fps) or higher. This will allow you to slow down the footage later to see the individual foot slaps that keep the lizard afloat. Set your PIR (passive infrared) sensor to high sensitivity, as these lizards are sleek and may not always trigger sensors calibrated for larger, warmer mammals.

While you cannot easily bait a basilisk with food, you can attract them by maintaining a habitat they love. If you have a backyard pond or canal access, keep the shoreline vegetation lush but provide a few clear, flat rocks for sunning. In Florida or Central America, a small dripping water feature can sometimes pique their curiosity. Remember that they are incredibly wary; avoid checking your camera during the heat of the day when they are most likely to be active, as your presence will drive them into hiding for hours.

Similar Species

Species that look similar or are commonly confused with Common Basilisk.

Brown Basilisk

Smaller with less prominent dorsal crests and more distinct yellow stripes running from the eye down the body.

Green Basilisk

Brilliant emerald green color with blue or white spots, and even larger, more complex double-crests on the head.

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Frequently Asked Questions

Common Basilisk are strictly diurnal, meaning they are active during the day. They are most frequently seen during the hottest hours, typically between 10:00 AM and 3:00 PM, when they need to bask in the sun to regulate their body temperature.

The best way to attract them is to provide a safe basking environment near water. Planting thick native shrubs near a pond or canal and placing flat rocks or logs in sunny spots will encourage them to stay. They are attracted to areas with high insect populations, so avoid using heavy pesticides.

They are omnivorous generalists. Their diet consists mostly of insects like grasshoppers and beetles, but they also eat spiders, small fish, frogs, and occasionally fruits and flowers that fall near the water.

Yes, particularly in Central America and South Florida. They adapt well to man-made canals and suburban ponds, provided there is enough vegetation for cover and sun-exposed spots for basking.

Common Basilisks (Basiliscus basiliscus) are generally larger and have a more olive-brown color. Males have much larger, more ornate sail-like crests on their backs and tails compared to the Brown Basilisk (Basiliscus vittatus), which typically has a simpler head crest and more distinct light stripes along its body.

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