密点麻蜥Eremias multiocellata

29.密点麻蜥Eremias multiocellata

地方名:马蛇子

形态特征:头顶有对称性大鳞。前眶上鳞较后眶上鳞大,体背披粒鳞;腹鳞一横排14~18枚,斜向中线排列。每侧有股孔9~12个。眶下鳞下伸达唇缘。全长可达170mm。体背为灰绿或灰棕色,有深色网纹和略呈纵行排列的眼状斑。背纹在前部呈纵纹状,体侧有2条纵列的黑缘圆斑。

生活习性:生活在干旱的沙地和荒山石坡。常在灌木或草丛下挖洞,洞口宽20~35mm。洞高20~30mm,洞深一般在500mm以内。主要捕食各种小型无脊椎动物。受惊扰时,能迅速逃进灌木丛,草丛或洞穴中,甚至原地钻入松散的沙土中。卵胎生,7—8月产仔,每次产仔1~4个。

地理分布:国内分布于辽宁、内蒙古、陕西、甘肃、宁夏、青海、新疆;国外分布于哈萨克斯坦,乌兹别克斯坦,吉尔吉斯斯坦,蒙古国和俄罗斯东南部。

环渤海地区分布:仅见于辽宁(彰武)。

生存现状:无危(LC)。

29.Eremias multiocellata

Description Adults up to 170mm in TOL.Symmetrically big scales on the top head;anterior supraorbital scales are bigger than the posterior supraorbital scales; body dorsum is covered by granular scales; 14-18 ventral scales in row, slanting toward the midline; 9-12 femoral pores on each side; suborbital scales extend down to the lip edge; the dorsum is grey-green or grey-brown with dark netting and nearly ventrally patterned ocular plaques;the stripes on the front are in ventral stripe pattern; 2 rows of round plaques with black rim are on each side.

Behaviour Eremias multiocellata live in dry sand and rocky slopes.They usually dig caves under the bushes or grass, the width of caves is 20-35mm, and the length is 20-30mm.The depth caves is usually shorter than 500mm.They mainly feed on all kind of small invertebrates.When they are disturbed, they can escape into bushes, grasses or caves,or even slip into loose sand where they stay put.They stay put born as eggs, and lay eggs from July to August with 1-4 eggs every time.

Distribution In Liaoning, Inner Mongolia, Shaanxi, Gansu, Ningxia, Qinghai and Xinjiang, China; in Kazakhstan, Uzbekistan, Kyrgyzstan, Mongolia and the southeast Russia at abroad.Distribution around Bohai Sea: only in Liaoning Province (Zhangwu).

Conservation Least Concern (LC).