Hermit crabs choose by colour when selecting a new shell for a home
Hermit crabs prefer to occupy darker-coloured seashells, especially if they are living in a dark gloomy environment.
These tiny crabs often swap shells as they try to find their ideal home. Research has previously shown that hermit crabs on the hunt for a new shell consider its size, condition shape – features that vary depending on the species of animal to which the shell originally belonged.
To see if colour is also on their list, James Rimmer at the University of St …