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The annual migration of red crabs in Australia begins in October/November each year. Millions of red crabs Gecarcoidea natalis migrate from the Australian islands to the Indian Ocean during this one to two-week-long period. The purpose of migration is to go underwater and lay eggs and breeding has to be made possible.
Red crabs grow slowly, reaching sexual maturity at around 4–5 years, at which point they begin participating in the annual migration. [9] During their early growth phases, red crabs will moult several times. Mature red crabs will moult once a year, usually in the safety of their burrow. Their lifespan is about 12 years. [11]
Why do red crabs migrate? Female crabs produce eggs three days after mating and stay in their burrows for weeks to let their eggs develop; each one of them can make up to 100,000 eggs, according ...
Every year, around 120 million of these crimson crabs migrate to the sea to mate. That makes the island a huge attraction for tourists. Thousands travel to the island to get a glimpse of this red ...
Millions of red crabs have taken over an Australian island in their annual migration spectacle. The parade of crustaceans can be seen yearly on Christmas Island during the migration season, which ...
"Red crabs always spawn before dawn on a receding high-tide during the last quarter of the moon," the national park's website said. Millions of Christmas Island red crabs migrate across the island.
Christmas Island National Park is a national park occupying most of Christmas Island, an Australian territory in the Indian Ocean southwest of Indonesia. [1] The park is home to many species of animal and plant life, including the eponymous red crab, whose annual migration sees around 100 million crabs move to the sea to spawn.
STORY: Footage shared by Parks Australia showed thousands of crabs crossing streets and climbing bridges on the island off the coast of Western Australia.Millions of red crabs emerge from the ...