# Baja Blue Rock Lizard (*petrosaurus thalassinus*)

The Baja Blue Rock Lizard is a colorful little reptile that loves to bask in the sun! With its vibrant blue and green colors, it's like a living jewel found among the rocks.

- **Category:** [Reptiles](https://www.snappit.app/explore/categories/reptile)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Habitat:** They live in rocky areas and coastal regions of Baja California.
- **Also known as:** Baja Lizard, Blue Rock Lizard, Rock Lizard

![Baja Blue Rock Lizard](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/2009_petrosaurus_thalassinus.jpg&width=800)

Photo: Rl, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:2009_petrosaurus_thalassinus.jpg)

## Appearance

The Baja Blue Rock Lizard has a striking bright blue body in males, often accented with black markings and a vibrant yellow or orange head. Its back features distinctive large, rough scales, setting it apart from smoother lizards. Females are typically duller, with brownish-grey tones.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Chordata
- **Class:** Squamata
- **Order:** Lacertilia
- **Family:** Phrynosomatidae
- **Genus:** Petrosaurus

## Interesting facts

- Baby lizards look like tiny adults, gaining amazing blue colors as they grow.
- Males flash bright blue colors to attract mates and warn rivals to stay away.
- These lizards can lose and regrow their tail if caught, a clever escape trick!
- They are excellent sunbathers, carefully choosing warm rocks to energize for the day.

## Special abilities

- **Rock Gripper:** Baja Blue Rock Lizard has adapted toes and claws that help them cling to steep rock faces with incredible grip.
- **Solar Charger:** This lizard can bask in the sun to warm its body quickly, helping them become active and hunt for food.
- **Dash Escape:** The Baja Blue Rock Lizard can dart away at high speed when threatened, using agility to vanish into rock crevices.

## Measurements & details

- **Length:** 25-38 cm
- **Weight:** 0.02-0.05 kg
- **Lifespan:** 5-8 years
- **Speed:** 18 km/h
- **Clutch Size:** 2-4
- **Incubation:** 50-60 days

## Diet & Feeding

This lizard enjoys a varied menu of tasty insects, spiders, and even a few plants.

- **Primary Foods:** Beetles, Ants, Crickets, Spiders, Small flowers, Leaves
- **Foraging Method:** Foraging

## Ecological connections

- **Eats:** [California Harvester Ant](https://www.snappit.app/explore/california-harvester-ant) (*Pogonomyrmex californicus*) — a common insect prey in its desert home.
- **Eats:** [Field Cricket](https://www.snappit.app/explore/field-cricket) (*Gryllus assimilis*) — a swift insect hunted for energy and growth.
- **Eaten by:** [Red Diamond Rattlesnake](https://www.snappit.app/explore/red-diamond-rattlesnake) (*Crotalus ruber*) — a common snake predator found in its rocky habitat.
- **Eaten by:** [Red-tailed Hawk](https://www.snappit.app/explore/red-tailed-hawk) (*Buteo jamaicensis*) — a watchful bird of prey that hunts from above.

## Traits

- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Coastal](https://www.snappit.app/explore/traits/coastal): Coastal habitats are dynamic environments located along the interface between land and sea, influenced by tides, waves, and saltwater.
- [Carnivorous](https://www.snappit.app/explore/traits/carnivorous): This trait identifies organisms whose diet consists entirely or primarily of animal tissue.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.

## Collections

- [Reptiles](https://www.snappit.app/explore/collections/reptiles)

## Safety

**Danger:** 1/5 · Very low

Always observe lizards from a distance to avoid startling them.

## Frequently Asked Questions

### How to identify Baja Blue Rock Lizard?

Compare toes, scales, head shape, crests and tail proportions. Many lizards can drop and regrow their tails, so a short tail isn't always a species trait. Lizard Identifier: upload a photo and compare the visible details.

### How long is Baja Blue Rock Lizard?

25-38 cm

### How much does Baja Blue Rock Lizard weigh?

0.02-0.05 kg

### How long does Baja Blue Rock Lizard live?

5-8 years

### How fast can Baja Blue Rock Lizard move?

18 km/h

### What does Baja Blue Rock Lizard eat?

This lizard enjoys a varied menu of tasty insects, spiders, and even a few plants.

### Where is Baja Blue Rock Lizard usually found?

They live in rocky areas and coastal regions of Baja California.

### How does Baja Blue Rock Lizard hunt?

Foraging

## More Reptiles

- [Pond Slider](https://www.snappit.app/explore/pond-slider) (*Trachemys scripta*)
- [Western Fence Lizard](https://www.snappit.app/explore/western-fence-lizard) (*Sceloporus occidentalis*)
- [Common Five-lined Skink](https://www.snappit.app/explore/common-five-lined-skink) (*Plestiodon fasciatus*)
- [Desert Spiny Lizard](https://www.snappit.app/explore/desert-spiny-lizard) (*Sceloporus magister*)

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Source: [Baja Blue Rock Lizard: Facts & Places to See — Snappit](https://www.snappit.app/explore/baja-blue-rock-lizard)
