一、肤色：美国青蛙（以下简称“美蛙”）一般黄褐色，肤色可随环境而变化，具有深浅不一的圆形和精图形的斑纹，腹部白色。牛蛙冬季为浓褐色，春末鲜绿色，秋天谈褐色，具有深浅不一的虎斑状横条，腹部白而有暗褐色斑纹。二、体型：美蛙体型软小，成年蛙体长约I3厘米，体重心5 First, the color: American frog (hereinafter referred to as the “frog”) generally brown, color can change with the environment, with varying shades of round and fine patterns of the mark, abdomen white. The bullfrogs are dark brown in winter, bright green in late spring, browns in autumn, tiger-shaped horizontal stripes with varying shades of the abdomen and dark brown markings. Second, the body: the frog body is small and soft, adult frog body about I3 cm, body weight heart 5