Sea urchins or urchins are spiny globular animals, echinoderms in the class Echinoidea.
About 950 species inhabit all oceans and zones from the interdal to 5000 metres deep.
Sea urchins move slowly, crawling whit their tub feet, and defended by their sharp spines, wich are sometimew toxic.
But is sooo cute馃槏馃槀
