If you are reffering to the trap in crab fishing it is called the "pot".
A very large farm is sometimes also called a ranch.
A crab's shell is called a carapace.
A Swamp Dog crab is a large Maryland Blue crab. A Swamp Dog crab weighs between 2-6 lbs. It is delicious, filling and meaty.
The top of the umbrella crab is called the carapace.
a ten legged crab is called a decacrab
केकड़ा is the word crab in Hindi.
Depends on the type of crab, some are small, some are large
Horseshoe crab
A male hermit crab is called a geomanta
names for a girl crab is Aqua, Aphrodite,Ariel
In Greek mythology a very large humanoid monster is called a GIANT.