7-16" (17.8-40.6 cm). Legless, opalescent-pink lizard, resembles an earthworm. Depressed and chisel-like snout facilitates burrowing; lower jaw is countersunk. Scales are arranged in rings around body; tail slightly depressed and upper ...… read more
4-4 3/4" (10-12 cm). Sleepy-looking lizard with protruding white-rimmed eyelids. Skin supple; back scales uniformly granular. Pinkish with dark brown crossbands, most evident in juveniles, breaking up with age into nearly uniform mottling.… read more
4 1/2-6" (11.4-15 cm). Medium-sized. Protruding eyelids. Light tan with dark brown to black crossbands, most evident in juveniles, breaking up with age into blotches, spots, and variegations. Skin supple; back scales uniformly granular. Toes slender; no pads.… read more
4-5" (10.2-12.7 cm). No eyelids. Toes unwebbed; clawed toe tips free of expanded pads. Translucent pinkish to white, with some darker blotching. Scales small, granular; rows of white keeled knobs down back. Round tail ringed with keeled bumps.… read more
Reef Gecko
Sphaerodactylus notatus
1 3/4-2 1/2" (4.4-6.3 cm). Snout pointed; small spine over each large, lidless eye. Drab brown with dark speckling; tail underside pale orange. Female and young show 3 light-centered dark stripes on head; dark blotch surrounding 2 white eyelike spots on neck.… read more
10-16" (25.4-40.6 cm). Long tail; low ridge down back; snout short. Brown around head; reddish-brown netlike pattern and gray or white spotting on neck and trunk; sometimes dark lines on sides. Tail pale with rings of dark spots. Breeding adults pink on belly.… read more
40-79" (101-200 cm). Green to blue-gray; crest of comblike spines down back and tail, largest on neck. Dark bands across shoulders and tail. Color darkens to near black with age. Large black-edged scale on lower jaw below ear. Jagged fringe on edge of dewlap.… read more
Chuckwalla
Sauromalus ater (Sauromalus obesus)
11-16 1/2" (27.9-41.9 cm). Large, potbellied, with loose skin at neck and shoulders. Tail has thick base, blunt tip. Male black on head, forelegs, and forward portion of trunk; red, gray, or yellow toward tail. Female and young with gray and yellow crossbands.… read more
6-13" (15.2-33.0 cm). Large head with pale unpatterned area on top; conspicuous black-and-white collar across back of neck. Brown above with white spotting, tan to yellow crossbands. Inside of mouth light-colored. Tail flattened laterally.… read more
8-14" (20-35.6 cm). Large head; conspicuous black-and-white collar across back of neck. Inside of mouth dark. Tail not flattened laterally. Yellow-brown to green with bluish highlights and usually light spots and dark bands. Mature male has ...… read more
6-9" (15.2-23.0 cm). Large head; conspicuous black-and-white collar across back of neck. Inside of mouth dark. Tail not laterally flattened. Tan with large white spots. Mature males have blue-gray throats with a brown to black center...… read more
8-16 3/4" (20-42.5 cm). Large head, slender neck. Tail slightly flattened side to side. Gray to reddish-brown, with an open netlike pattern of narrow light-colored lines. Large black spots arranged in rows across back. Male has bla...… read more
8-9 1/4" (20-23 cm). Head short, nose blunt. Tail round, not flattened. Narrow white to yellow crossbars separated by wide gray or brown crossbars containing numerous dark-edged brown spots. Throat blotched with gray.… read more
8 1/2-15 1/8" (22-38.4 cm). Large and slender. Gray or brown with dark spots on body and tail. White crossbars usually evident on back, sides, and tail. Long gray streak down throat. Egg-bearing females have red-orange spots and bars on sides. Tail round.… read more
6-9 1/8" (15.2-23.2 cm). Gray, usually with paired dusky spots running down back, crossbars on white underside of flattened tail. Male has pair of black bars on side extending into large blue blotches on belly. Female lacks blue blotches; black bars faint.… read more
3 1/4-7 1/4" (8-18 cm). Gray to brown with light flecks. Wide black crossbands under flattened tail. Male has a pair of curved black bars within blue blotch on side in front of hind leg. Breeding female has orange throat and pinkish sides.… read more
4-5" (10-13 cm). No external ears. Gray to brownish, usually with rows of dark blotches separated by pale stripe down mid-back and light side stripes. Male has blue-bordered black marks on each side of belly behind foreleg. Breeding female has orange throat.… read more
4 1/2-5 9/16" (11-14.1 cm). A rather small lizard with keeled granular back scales, 2 folds across throat, no external ear. Gray to brown. No spots under relatively long tail. Male has unbordered black marks on side of belly behind ...… read more
7-10 1/2" (18.0-26.6 cm). Large-keeled and pointed scales on back form raised crest on vaguely banded tail. Gray to brown; darker spotting or bands on head and sides. Throat speckled.… read more
8 1/2-11 1/2" (21.5-29.0 cm). A large flat-bodied lizard with a single black collar and prominently banded tail. Gray to olive, with wavy dark crossbands and many small white or bluish spots. Scales small and granular on back; large, ke...… read more
2 1/2-7 1/8" (6.3-18.1 cm). Flat-bodied lizard with large crown of spines on head; 2 center spines longest. 2 rows of pointed scales fringe each side. Belly scales keeled. Red to yellow to gray; dark spots have light rear margins. Dark lines radiate from eye.… read more
2 1/2-6 3/8" (6.4-16.1cm). Flat-bodied; large crown of spines on head; 2 center spines longest. Large dark spot on sides of neck. 2 rows of pointed scales fringe trunk. Reddish, brown, yellow, or gray; dark blotches on back. Belly scales smooth.… read more
Greater Short-horned Lizard
Phrynosoma hernandesi (Phrynosoma douglasii hernandesi)
2 1/2-5 7/8" (6.3-15 cm). Flat-bodied; head crowned by stubby, horizontal spines interrupted at rear by deep notch in skull. 1 row of pointed scales fringes trunk. Belly smooth. Gray, yellowish, or reddish-brown; 2 rows of large dark spots down back.… read more
3-4 1/8" (8.0-10.5 cm). Flat-bodied; short crown of spines on head. No pointed scales fringing sides. Light brown to gray, depending on soil color; usually dark blotch on neck and groin. Tail broad at base, becoming round and slender. Belly scales smooth.… read more
3-5 3/8" (7.6-13.6 cm). Flat-bodied; relatively short spines crown head; 1 row of pointed scales fringes trunk. Belly scales smooth. Red, tan, or dark gray, with wavy crossbands on sides of head, dark blotches on sides of neck.… read more
3 1/2-6 1/2" (8.8-16.7 cm). Flat-bodied; head crowned by large, close-set spines. Single row of pointed scales fringes trunk. Scales smooth at midbelly, weakly keeled on chest.… read more
7 1/2-12 13/16" (19.0-32.5 cm). Greenish sheen on back; narrow dark crossbands on forelegs and feet. Less distinct crossbands on back, hind legs, tail. Black mark on shoulder may extend to neck to form incomplete collar. Male has bl...… read more
5-6 3/16" (12.7-15.75 cm). Grayish-green to brown; darker spots and bars; light stripes on sides of back. Reddish-orange behind forelegs. Males have pale blue mottling on throat, darker blue belly patches. Females have pinkish orange on sides and neck.… read more
Mesquite Lizard
Sceloporus grammicus microlepidotus (Sceloporus grammicus disparilis)
4-6 7/8" (10-17.5 cm). A spiny lizard. Granular scales on rear of thigh do not overlap. Gray to olive, with 4-6 dark crossbars on back, more distinct in females. No dorsolateral light stripes. Males show small dark triangular patch in f...… read more
5-8 3/4" (12.7-22.2 cm). Striking, with black-edged light-blue or pinkish scales on back. Black collar with white rear edge. Male has blue throat, blue sides of belly; female is more subdued in pattern and color, may lack black collar.… read more
7-12" (17.8-30.5 cm). Large; rough-scaled. Yellow to brown, with some crossbanding; black triangular mark with light rear edge on each shoulder. Blue throat and blue patches on sides of belly; absent in females and young, who show more prominent crossbanding.… read more
4 1/2-6 1/4" (11-15.9 cm). A spiny lizard with scales on sides of neck abruptly smaller than those on top of neck. Back scales keeled, very small; side scales granular, do not overlap. Gray to bluish, with 2 lines of about 10 small d...… read more
6-9 1/4" (15.2-23.5 cm). Spiny. Olive, brownish, or black, with pattern of paired blotches or wavy crossbars down back and occasionally some striping. Undersides of legs yellowish-orange. Blue patches on sides of belly; adult male has blue patch on throat.… read more
7 1/2-11" (19.0-27.9 cm). A large gray to rusty brown lizard with rough scales. Most males have pale dorsolateral stripes, and a small blue patch on each side of belly. Females have dark wavy lines across back. ...… read more
7 1/2-10 5/8" (19-26.9 cm). A big lizard with large rounded scales notched at rear on both sides of keel. Dark copper to black; color may mask dark triangle on each side of neck and crossbands on trunk and tail. Belly and throat blue...… read more
5-14 1/4" (13-36 cm). White-bordered black collar on neck. Light spots on head and back. Bright blue on shoulders. Indistinct dark bands on tail. Males have metallic blue-green sheen on back, blue chin and throat, blue patches on belly. Female has gray throat.… read more
3 1/2-7 1/2" (9.0-19.0 cm). Dark band along rear of thigh. Color varies geographically: gray to brown or rusty, dark or light stripes down back, sometimes vague crossbars or spots. Male usually has black-bordered blue patches on belly and blue throat patch.… read more
4-7 1/4" (10-18.4 cm). Dark band along rear of thigh. Gray to brown or rusty above, with wavy dark (female) to faint or absent (male) crossbars on back. Males usually marked by black-bordered blue patches on belly...… read more
3 3/4-5 1/2" (9.5-14.0 cm). Small spiny lizard with pocketlike indentation in tail behind leg. Light tan to greenish brown; light dorsolateral stripe, line of dark spots down each side of midline. Pink patches on belly with dark blue...… read more
4-6 7/8" (10.2-17.4 cm). Only U.S. spiny lizard without belly markings. Reddish, with prominent light stripes along side separated by broader dark-brown stripe. Males show patch of blue on side of throat. Gravid females show orange thro...… read more
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