金线侧褶蛙Pelophylax plancyi
地方名:青蛙、青拐子、青麻拐、蛤蟆
曾用名:金线蛙
形态特征:雄性体长55mm左右,雌性65mm左右。头长略大于宽,吻端钝圆,吻棱明显,鼓膜略大而圆,犁骨齿两小团,背侧褶除鼓膜上方较窄外明显宽厚;皮肤光滑,体侧疣粒明显;腿部有纵行细肤褶或不显,股腹面具扁平疣;后肢较粗短,贴体前伸时胫跗关节可达眼后角。雄性鼓膜相对较大,具一对咽侧内声囊,第一指婚垫灰色。生活时,体背面绿色或橄榄绿色,背侧褶和鼓膜棕黄色,四肢背面绿色或有棕色横纹,股后正中有棕黄色纵线纹,其上方为浅棕色,其下方有一条酱色宽纵纹,腹面鲜黄色。
生活习性:生活于海拔50~200m的池塘,多见于水塘的芦苇、水草茂盛处或荷叶上,10月入眠,翌年4月出眠后进入繁殖期,卵团分散呈片状。产卵量多少与个体大小相关,最多的达3500粒左右。
地理分布:中国特有种,主要见于华北、华东地区以及台湾地区。
环渤海地区分布:均有分布。
生存现状:无危(LC)。
Anura Ranidae Pelophylax
16.Pelophylax plancyi
Description Adult males SVL normally up to 55mm, females up to 65mm; HL longer than HW; snout tip is obtuse round; canthus rostrals are obvious; big and rounded tympanums;two rounded vomerine; wide and thick dorsolateral folds; narrow folds above the tympanums.Skin is smooth, with obvious warts on the lateral; vertebral folds on the limbs but some are not obvious; flattened warts on the hindlimbs and belly; stubby hindlimbs; the tibio-tarsal articulation reaching the eye posterior.Males with bigger tympanums, a pair of vocal sac and gray nuptial pads on finger I.The color of the body varies from green to olive green;dark brown dorsolateral folds and tympanums; green back of limbs, some have transverse brown lines; brown yellow lines in the middle of the hindlimbs; light brown upwards and reddish brown wide lengthwise stripe downwards; bright yellow belly.
Behaviour Pelophylax plancyi are found in the ponds at 2,200m, typically found on the reeds, aquatic plants and lotus leaves.They hibernate in October and then breed and spawn in April.Their eggs disperse in flaky.The amount of the eggs depends on the size of individual; the larger one could lay 3,500 eggs.
Distribution Native to China; China: widely in north of China, east of China and Taiwan Island.Distribution around Bohai Sea: nearly everywhere.
Conservation Least concern (LC).