中国石龙子Plestiodon chinensis

35.中国石龙子Plestiodon chinensis

地方名:四脚蛇、石龙子、狗婆蛇、猪婆蛇

形态特征:成体全长150~250mm,体型较本属其他种较粗壮。全身光滑无棱,通身被圆鳞,尾下正中一行鳞宽大。有上鼻鳞,无后鼻鳞,后颏鳞2片,第二列下颞鳞楔形。幼体时体背黑褐色,体背具有3道黄白色纵纹自头部延伸至尾部,体两侧具连续或不连续的黄白色纵纹,尾呈蓝色。随年龄增长体背纵纹及尾部蓝色逐渐暗淡,体色逐渐转为灰褐色。成体头部较宽大,背面灰褐色,体侧呈黄褐色并伴有不规则红棕色色斑,有时另具稀疏黑色色斑。

生活习性:栖息在平原、丘陵和山区路边的草丛、乱石堆中。10月中下旬至翌年3—4月冬眠。5—6月产卵,每次产卵5~7枚,多者达9枚。

地理分布:广布种,国内见于辽宁、山东、四川、云南、贵州、湖北、安徽、江苏、浙江、江西、湖南、福建、台湾、广东、香港、海南、广西;国外分布于越南。

环渤海地区分布:山东和辽宁(旅顺)。

生存现状:无危(LC)。

35.Pestiodon chinensis

Description Adults up to 150-250mm in TOL, much stronger than other congeners.smooth skin is smooth, without tubercles, and it's covered with round scales; scales broad and big in the middle row under the tail; with supralabials, without postnasals; two pieces of submentals; the second column squama temporalis is wedge-shaped; juvenile's dorsum is black brown; three yellow and white stripes on the dorsum, from the head to the tail;continuous or discontinuous yellow and white stripes on both sides of the body; tail is blue;the stripes on the dorsum and blue color of the tail gradually dim while growing up; adults Pestiodon chinensis' heads are larger and the dorsum is greyish brown; body sides are yellowish brown with irregular reddish brown spots, sometimes with sparse black spots.

Behaviour Pestiodon chinensis live on the plains, hills, grass, and stone piles at the roadside of the mountains.The hibernation period is late October to March or April next year.They lay eggs in May to June and lay 5-7 eggs each time, some can lay 9 eggs at a time.

Distribution Widely known in Liaoning, Shandong, Sichuan, Yunnan, Guizhou, Hubei,Anhui, Jiangsu, Zhejiang, Jiangxi, Hunan, Fujian, Taiwan, Hainan, Guangxi, Guangdong,and Hong Kong in China; in Vietnam at abroad.Distribution around Bohai Sea: in Shandong Province, Liaoning Province (Lvshun).

Conservation Least Concern (LC).