urchin hats

Do Sea Urchins Cover Themselves With Shells? Although numerous species of sea urchins often cover themselves with small rocks, shells and algal fragments, the function of this covering behaviour is poorly understood. Diving observations showed that the degree to which the sea urchin Strongylocentrotus droebachiensis covers itself in the field decreases with size. What do

Do Sea Urchins Use Shells For Protection? Do sea urchins use shells for protection? Emma confirmed that some sea urchins do indeed use shells (and other types of objects like stones, leaves, or algae) to cover themselves. Why do sea urchins wear shells? Behavioural ecologists call urchin hats “covering behaviour”. That name is related to