Scientific name: Elgaria multicarinatus
Common name: Southern Alligator Lizard
Size: 3.1-7.25 in (7.8-18.4 cm)
Distinguishing characters: A long-bodied species with black and white crossbars on back and tail; brown, yellow, grey or reddish ground color; prominent fold along sides of body; dorsal scales strongly keeled; black or dusky bars on sides; yellow eyes; tail over twice the body length (if not regenerated); large head with pointed snout; small legs; broad, forked tongue; animals from mid-elevations in Orange County may be uniform grey with either red or black spots down back.
Juveniles: Broad dorsal stripe of yellow, tan, or reddish-gold; indistinct crossbands.
Dimorphism: Head broader and more triangular in adult males.
Similar species: Eumeces skiltonianus: Have smooth dorsal scales; lack lateral folds.
Additional notes: A distinctive species that can appear snake-like at first glance. Individuals will attempt to bite and defecate when handled; large adults can inflict painful bites, though not dangerous. This species is common throughout the densely vegetated upland habitat North and South of the Tijuana River.
