Nature Field Guide
Black Spiny-tailed Iguana
- Spanish name
- Garrobo
- Scientific name
- Ctenosaura similis
What Do Pico & Tati Think?
Pico and Tati invite you to learn about the black spiny-tailed iguana. Use a photograph to compare this tail with the smooth-looking outline of a green iguana tail.
Species overview
About the Black Spiny-tailed Iguana
This sturdy lizard has a tail ringed with spiny scales. Adults are often gray or brown with dark bands, while young animals can be green.
Identification
Key Features of the Black Spiny-tailed Iguana
Rings of pointed scales on the tail.
Gray or brown adults with dark body bands.
Raised scales along the back.
Habitat & range
Pacific-slope dry forest, rocky ground and open wooded areas.
Local observations
Recorded in Costa Rica. This profile describes suitable habitat, not a confirmed Tamarindo sighting or a guaranteed viewing location.
When to observe
Daytime, especially during basking periods.
Conservation & care
Watch wildlife with an adult from a safe path. Do not touch, feed, capture or move reptiles, and keep pets away. Leave eggs, shelters and vegetation undisturbed.
Observation activity
Use a photograph to compare this tail with the smooth-looking outline of a green iguana tail.
Explore by location
Central Pacific · Guanacaste · Puntarenas & the Gulf Islands · South Pacific