1. King crabs and spider crabs have different legs.

King crab has 6 legs and 2 claws, and spider crab has 8 legs and 2 claws.

2. King crabs and spider crabs have different legs.

Compared with the shape of the king crab, the obvious difference between the spider crab and the king crab is the slender legs.

King crabs and spider crabs are different in size.

King crab is relatively large, spider crab is relatively small, king crab is about 5 kg in medium size, and spider crab is generally 1-2 kg.

The price of king crab and spider crab is different.

The best price for an imported Chilean king crab is 100 more than a catty. Generally speaking, a king crab costs about 400 yuan.

Growth habit of king crab;

King crab, also known as stone crab or rock crab, is a crustacean of stone crab. It is not a real crab, but mainly distributed in cold sea areas. Named after its huge size, it is known as the "king of crabs". King crabs belong to deep-sea crabs, with a survival depth of 850 meters and a water temperature of 2-5℃. The lowest water temperature that King Crab can survive is 1.4 degrees Celsius. It is not a crab with the king crab, please don't confuse it. Because of its huge size and delicious meat, many species are widely caught as food, the most common of which is Kamchatka stone crab.