2, the shape is different: the cap of abalone mushroom covers the top layer; while the cap of cockle mushroom is wrapped around the stalk.

3. Different sizes: the cap of abalone mushroom is only a little bit bigger than the stalk; while the cockle mushroom is bigger than the top stalk.

4. Different handfeel: the flesh of abalone mushroom is firm, and there is a hard feeling when you pinch it with your hand; but the cockle mushroom will be softer. Different families. Different places of origin.