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The coconut crab can take a coconut from the ground and cut it to a husk nut, take it with its claw, climb up a tree 10 m (33 ft) high and drop the husk nut, to access the coconut flesh inside. [51] They often descend from the trees by falling, and can survive a fall of at least 4.5 m (15 ft) unhurt. [52]
Xanthid crabs are often brightly coloured and are highly poisonous, containing toxins which are not destroyed by cooking and for which no antidote is known. [ 2 ] [ better source needed ] The toxins are similar to the tetrodotoxin and saxitoxin produced by puffer fish , and may be produced by bacteria in the genus Vibrio living in symbiosis ...
During their larval stage, millions of red crab larvae are eaten by fish and large filter-feeders such as manta rays and whale sharks which visit Christmas Island during the red crab breeding season. Coconut crabs (alternatively known as robber crabs) have also been filmed on Christmas Island preying on red crabs. [14]
The crabs can measure up to 3-feet across, have claws with astounding crushing power, and are able to sniff out their prey. They have also been proven capable of gaining an advantage over animals ...
Credit the crabs: The Brits who uncovered the bones said “coconut crabs had scattered many bones,” per the National Geographic report. To test this theory, the International Group for Historic ...
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