Red crabs on Christmas Island can't be eaten. There is a special toxic formic acid in red crab, which will be harmful to the body and cause gastrointestinal discomfort after eating. Every year, at the end of 10, when the heavy rain comes in the tropical rain forest, the red crabs begin a long journey, and the scene of the mass migration of millions of red crabs is spectacular. During the migration, the red crabs are densely covered with paths to the coast.

Red crabs on Christmas Island can't be eaten. There is a special toxic formic acid in red crab, which will be harmful to the body and cause gastrointestinal discomfort after eating. Every year, at the end of 10, when the heavy rain comes in the tropical rain forest, the red crabs begin a long journey, and the scene of the mass migration of millions of red crabs is spectacular. During the migration, the red crabs are densely covered with paths to the coast.