“两个钳子,八把尖刀,身穿盔甲,走路横跑。”这个谜语生动地将螃蟹的形象描写出来了!千姿百态的形状世界上蟹的种类多达上千种,我国就有500多种。尽管它们都有1个身子、2只螯、8条腿,可实际上形状是多种多样的。比如,有一种蟹身子长得像一把展开的折扇,人们就叫它扇蟹;有的长得像块玉雕,就叫玉蟹;有的长得像栗 “Two pliers, eight knives, wearing armor, walking and running. ” This riddle vividly describes the image of the crab! Different shapes and shapes of the world as many as thousands of species of crab, China has 500 Variety. Although they all have a body, 2 chelates, 8 legs, in fact, the shape is varied. For example, there is a kind of crab body looks like a folding fan, people call it a fan of crabs; some looks like jade carving, called crabs; some look like chestnut