Green crab, also say to curium predestined relationship green crab, head cuirass is short and wider, two side do not have long thorn, nearly elliptic, viridescence is lubricious, big individual have 10 centimeters long normally, 14 centimeters wide.

• 青蟹，也称锯缘青蟹，头胸甲短而较宽,两侧无长棘,几近椭圆形,青绿色,大个体通常有10厘米长，14厘米宽。