A ghost crab isn't a single type of crab, but is a group or related crabs of the species Ocypode. They have a bit of range in their sizes, as you might guess, but the largest ones run just a few ounces, tops. A link is provided below.
i have no idea, but i hear that the ghost crab can camouflage!
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ghost crab
Ocypode quadrate
The ghost crab lives down the Atlantic coasts of the United States, starting around Rhode Island, and on down to the coasts of Brazil.
it depends on the size of the crab
The scientific name for the ghost crab is "Ocypode ceratophthalmus," belonging to the genus Ocypode within the family Ocypodidae.
No, they will not. The dragon-fish can eat the ghost shrimp and the snail, and the crab will try to eat anything he can catch.
In an average medium size crab, there is about ½ cup of meat. There usually isn't a lot of meat in crabs.
Alligators eat anything they can catch. A ghost crab would not be much of a snack, though, and they are very quick so most alligators don't bother chasing them.
A very shy animal is a ghost crab.