The annual migration of millions of red crabs from the rainforests of Australia's Christmas Island to the coast is underway.
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Gecarcoidea natalis (Pocock, 1888)The Christmas Island red crab is by far the most obvious of the 14 species of land crabs found on Christmas Island. It is estimated that 40 – 50 million of these bright red land crabs live in their preferred shady sites all over the island.
Red king crabs are eaten by a wide variety of organisms including but not limited to fishes (Pacific cod, sculpins, halibut, yellowfin sole), octopuses, king crabs (they can be cannibalistic), sea otters, and several new species of nemertean worms, which have been found to eat king crab embryos.
Christmas Island is around a four-hour direct flight from Perth on Australia's west coast. Some scheduled flights from Perth first fly to the Cocos (Keeling) Islands, a 95-minute flight from Christmas Island. Hire cars, shuttle services and taxis are available at the airport.