黑龙江草蜥Takydromus amurensis
地方名：蛇舅母
形态特征：成体全长150～180mm，尾长为头体长的2倍以上。体细长，头尖细，头顶有对称性大鳞；背部大鳞起棱，颈后多为8行；背中部多为7行，少数8行，荐部多为6行；尾背4行。腹部鳞片多为矩形，呈覆瓦状排列，通常8行。尾鳞排列成环，起棱；四肢较发达，指趾细长。颔片4对，鼠蹊孔3对，少数4对。体背、腹和两侧颜色明显不同，体尾背面灰褐色，头背及体侧深褐色，体背与体侧相交处有锯齿状花纹，腹面灰白色。
生活习性：黑龙江草蜥白天活动，主要捕食昆虫、蜘蛛和其他小型无脊椎动物。5月底至6月中旬繁殖，窝卵4～12枚，一般栖息在山林边缘、向阳山坡、草丛间、路边枯叶堆等处。
地理分布：国内分布于东北三省和内蒙古；国外分布于俄罗斯、朝鲜半岛及日本对马岛。
环渤海地区分布：仅见于辽宁。
生存现状：无危（LC）。
Squamata Lacertidae Takydromus
30.Takydromus amurensis
Description Adults up to 150-80mm in TOL; TAL is more than 2 times of SVL.Body is thin and long, thin and sharp head; symmetrically big scales on the top of the head; big scales ribbed on the dorsum; generally 8 rows on the dorsum of the neck; mostly 7 rows in the middle of the dorsum, a few in 8 rows; most of them 6 rows on the shoulder; 4 rows on the dorsum of the tail; ventral scales mostly in rectangle shape, in imbricate pattern,usually in 8 rows; tail scales are arranged in rings, with tubercles; limbs upgrowth, toes are slender and long; four pairs of jaw pieces; three pairs of inguinal pore; a few have four pairs of inguinal pore; colors of the dorsum, ventral and both sides are significantly different; the dorsum of the tail is greyish brown; the head dorsum and body sides are dark brown; the ventral is greyish white; serrated patterns at the intersection of the dorsum and sides of the body.
Behaviour Takydromus amurensis move around during the day, mainly feed on insects,spiders and other small animals without cervical vertebra.They generally perch on the edge of mountain forests, sunny hillsides, among the grass, in a pile of dead leaves by the roadside and the like.The breeding season is from the end of May to the middle of June;and they lay 4-12 eggs at a time.
Distribution In three northeastern provinces of China and Inner Mongolia in China; also found in Russia, the Korean Peninsula and Tsushima Island Japan at abroad.Distribution around Bohai Sea: only in Liaoning Province.
Conservation Least Concern (LC).
黑龙江草蜥（上雌下雄）
