
Appearance
''P. mearnsi'' is an extremely flat-bodied lizard. Its dorsum is olive, brown or gray, with white or bluish spots. It has a single black collar, a banded tail, and granular scales on its body, with keeled tail and limb scales. Individuals may be 6.2 to 8.7 cm long snout-to-vent. Males have more pronounced throat patterns and brighter blue coloring than females.Naming
''Streptosaurus mearnsi'' — Mittleman, 1942''Petrosaurus mearnsi'' — Stebbins, 1985
The specific name, ''mearnsi'', is in honor of American naturalist Edgar Alexander Mearns, who collected the first specimens.
Habitat
''P. mearnsi'' is associated with boulder hillsides, extending in Baja California to chaparral and pinyon-juniper woodlands.Reproduction
Gravid females of ''P. mearnsi'' lay eggs from June through August. Clutch size varies from 2 to 6 eggs.Food
''P. mearnsi'' is omnivorous, feeding not only on insects and spiders, but also on buds and flowers.References:
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