5 April 2013
Horned ghost crabs change camouflage from day to night
By Ella Davies Reporter, BBC Nature
Horned ghost crabs change their appearance from day to night for camouflage, a study has revealed.
The species Ocypode ceratophthalmus builds burrows on beaches from Japan to East Africa to shelter from predators.
Researchers investigating young crabs' defences found they fine-tune their brightness to mimic their background.
The crabs reflected changes in their environment throughout the day, becoming lighter in the daytime and darker at night. (...)
Continue reading: http://www.bbc.co.uk/nature/22025789