Sea Urchin

Discover creative sea urchin crafts and decor ideas to add a touch of elegance to your home. Get inspired to create unique pieces that showcase the beauty of the sea.
Sea urchins are spiny, hard-shelled creatures that live on rocky seafloor on different depths, from shallow waters to great depths. Description from I searched for this on Animal Website, Black Sea Urchin, Life Under The Sea, Reef Tank, Water Life, Aquatic Animals, Sea Urchin, Sea Monsters, Arte Animal

Sea Urchin

Sea Urchin Sea urchin, any of about 950 living species of spiny marine invertebrate animals (class Echinoidea, phylum Echinodermata) with a globular body and a radial arrangement of organs, shown by five bands of pores running from mouth to anus over the test (internal skeleton). The pores accommodate tube feet, which are slender, extensible, and often sucker-tipped. From nodules on the test arise long, movable spines and pedi cellariae (pincer like organs); these structures may have poison…

Wanda Holloway
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Wikiwand - Sea urchin

Sea urchins or urchins are typically spiny, globular animals, echinoderms in the class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal to 5,000 metres. Their tests are round and spiny, typically from 3 to 10 cm across. Sea urchins move slowly, crawling with their tube feet, and sometimes pushing themselves with their spines. They feed primarily on algae but also eat slow-moving or sessile animals. Their predators include sea otters…

Dorottya Katona