How crabs avoid getting eaten
Despite their simple compound eyes crabs have evolved a smart way to tell the difference between friend and foe, a new study has revealed. Australian researcher found that fiddler crabs quickly learn to recognise if an approaching creature is a threat, a mate or a harmless passer-by – according to its direction of approach.
Ms Chloe Raderschall, ARC Centre of Excellence in Vision Science, ANU
The Journal of Experimental Biology
